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Related Manuals for NHP Terasaki TemBreak PRO P SE Series
Summary of Contents for NHP Terasaki TemBreak PRO P SE Series
- Page 1 P Model Moulded Case Circuit Breaker SMART Electronic Trip Unit from 160A up to 630A USER MANUAL Version 1.2.0 1300 NHP NHP nhp.com.au NHP Electrical Engineering Products 0800 NHP NHP nhp-nz.com...
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Page 2: Using This Manual
Appropriate use of NHP / Terasaki products NHP / Terasaki products are intended to be used only for the applications described in the catalogue and technical documentation, which is dedicated to them. If products and components from other manufacturers are used, they must be recommended or approved by NHP or Terasaki. -
Page 3: Summary Of Changes
Summary of Changes This section highlights the details of changes made since the previous issue of this document. The versioning convention used to track changes in this document follows the structure Vx.y.z where: x: Major revision, where extensive changes are made which is generally incompatible with the previous version. Such changes may include new products and/or features, or removal of information which is no longer relevant or applicable to the previous version y: Minor revision, where changes made do not change the overall scope of the previous version, but may include additional information which complements or corrects the previous version, or provides additional clarity on an existing topic. -
Page 4: Table Of Contents
Table of Contents Using this manual Zone Selective Interlocking Function (ZSI) Safety Precautions Setting the ZSI function Summary of Changes Installation consideration Table of Contents ZSI example A Introduction ZSI example B Who Should Use This Manual? Measurement and Settings Additional resources Overview of Measurements Terminology and Abbreviations... - Page 5 Table of Contents Commissioning Starting the P_SE MCCB for the First Time LTD Protection Adjustments (I Navigation and Settings After the First Setup Accessing Measurements Setting Favourites Accessing Setup Settings Troubleshooting Annex A – Dimensions P160 Dimensions P250 Dimensions P400 Dimensions P630 Dimensions Annex B –...
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Page 6: Introduction
This manual aims to provide users, electricians, panel builders and maintenance personnel, with the technical information required for commissioning and operation of the NHP / Terasaki TemBreak PRO P_SE MCCB. Users of this document must have at minimum a basic understanding of electrical circuit protection topics including (but not limited to):... -
Page 7: Terminology And Abbreviations
Introduction Terminology and Abbreviations Abbreviation Description Abbreviation Description Maintenance Interface Port: Plug for temporary Auxiliary Communications port: Plug for Smart auxiliary / connection to OCR testing, servicing, and maintenance alarm contact block tools Alarm: An auxiliary contact indicating trip status Neutral ASCII American Standard Code for Information Interchange... -
Page 8: Product Information
Product Information The TemBreak PRO P model SMART Electronic MCCB with trip unit type P_SE, in addition to protecting against overloads and short circuits, offers flexibility via provide fully adjustable LSIG (long time, short time, instantaneous, ground fault) protection settings via the embedded OLED display as well as a host of other standard or optional features. -
Page 9: Part Number Break Down
36 kA 25 kA Switch Notice: Not all combinations are possible. Confirm part number combination with NHP for availability. 160AF only For P_SE versions these features are standard and therefore are not added to the end of the part number. -
Page 10: Available Mccbs In The Tembreak Pro Range
Product Information Available MCCBs in the TemBreak PRO range: Rating Frame Size Short Circuit Break Capacity 1000 1250 1600 2000 2500 3200 (kA) A160E – TF A160E – FF A250E – TM P400E-TM P630E – TM B160E – FF A160F – TF A250F –... -
Page 11: P160_Se And P250_Se Information
Product Information P160_SE and P250_SE Information Frame / Model Attribute Unit Condition P160F P160N P160H P250F P250N P250H Number of Poles 3, 4 3, 4 3, 4 3, 4 3, 4 3, 4 Nominal current ratings 70°C 40 A 40 A 40 A 40 A 40 A... -
Page 12: P400_Se Information
Product Information P400_SE Information Frame / Model Attribute Unit Condition P400F P400N P400H P400S Number of Poles 3, 4 3, 4 3, 4 3, 4 Nominal current ratings 70°C 250 A 250 A 250 A 250 A Trip unit ratings 60°C 400 A 400 A... -
Page 13: P630_Se Information
Product Information P630_SE Information Frame / Model Attribute Unit Condition P630F P630N P630H P630S Number of Poles 3, 4 3, 4 3, 4 3, 4 Nominal current ratings 50°C 630A 630A 630A 630A Trip unit ratings Electrical characteristics Rated maximum operational voltage AC 50/60 Hz ─... -
Page 14: Internal Accessories
Internal Accessories Internal accessories include Auxiliary and Alarm contacts, Shunt Trip and Undervoltage Trip (UVT) modules, which may be installed under the front cover of the MCCB in various combinations to provide additional functionality and connection with external control circuits. Auxiliary &... -
Page 15: Shunt Trip
Internal Accessories Shunt Trip A shunt (normally de-energized) can be installed to trip the MCCB by applying voltage to the shunt coil. Part Number Rated voltage Connection Type AC (V) DC (V) T2SH00LA10T ─ Terminal T2SH00LA20T 230…240 ─ Terminal T2SH00LA40T 400…415 ─... -
Page 16: P_Se Only Mccb Accessories
P_SE Only MCCB Accessories Notice: The following list of accessories are unique to the P_SE model MCCB. For other accessories in the TemBreak PRO series, refer to the TemBreak PRO technical catalogues, respective user manuals, and installation instructions. TemView PRO (TPED) The TemView PRO (TPED) is an optional backlit LED external display which permits reading and writing data of the P_SE MCCB OCR trip unit, including protection settings, energy measurements, alarms, and event logs. -
Page 17: Temcom Pro (Tpcm)
P_SE Only MCCB Accessories TemCom PRO (TPCM) The TemCom PRO communications module (TPCM) communicates directly with the TemBreak PRO Smart Energy MCCB OCR via CIP connection cable, enabling the MCCB to operate as a slave device on a Modbus RTU network via RS-485. The TPCM polls the MCCB at regular intervals, making data accessible within Modbus holding registers. -
Page 18: Connection Cables
P_SE Only MCCB Accessories Connection Cables CIP-RJ9 cable The physical connection between the TPED or TPCM and the P_SE MCCB is via the CIP adapter cable, which provides both the proprietary communications link and auxiliary power supply to the OCR. The CIP adapter cable is comprised on one end a CIP connector which plugs into the CIP socket on the MCCB, and the other end either RJ9 plug for connection to the TPED or TPCM. -
Page 19: Plugs & Ports
Plugs & Ports The P_SE circuit breaker is equipped with specific connectors for connecting interfacing devices and accessories. Port Description Used to connect the PTA output contact to send the pre-trip alarm over a local signalling circuit. Located on the outside left-hand side of the MCCB. The OAC port is an output contact used to send the optional alarm over a local signalling circuit. -
Page 20: Installation
Installation Precautions WARNING: To prevent electrical shock and damage to equipment, disconnect and isolate power source upstream of the MCCB before installing or servicing the MCCB including its connected accessories. Notice: To ensure correct performance, and integrity of equipment, the installation instructions and recommendations provided herein shall be respected. -
Page 21: Clearances
Installation Clearances WARNING: Exposed conductors including terminals at attached busbars must be insulated to avoid possible short-circuit or earth faults due any foreign matter coming into contact with the conductors. Phase to Phase and Earth Interruption of large currents during fault or normal switching operation produces ionised gases and arcing materials which expelled from the vents at the top of the MCCB. - Page 22 Installation Clearances Insulating Distance When earth metal is installed within proximity of the breakers, the correct insulating distance must be maintained, (refer to Minimum Clearance). This distance is necessary to allow the exhausted arc gases to disperse. This could include the mounting plate or side panel within a switchboard. Minimum Clearance Below illustrates the minimum clearance that must be maintained Distances (mm)
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Page 23: Internal Accessory Mounting Locations
Installation Internal Accessory Mounting Locations P160, P250 and P400/630 frame sizes have different internal mounting locations for auxiliary contacts, alarm contacts, shunts and, UVTs. Left-side and right-side mounting locations are independent and accept unique combinations. For example, shunts and UVTs may only be mounted on the right side, whereas auxiliary and alarm contacts may be mounted on either left or right side. -
Page 24: P250 Internal Accessories Combination
Installation Internal Accessory Mounting Locations P250 internal accessories combination Legend TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 25: P400/630 Internal Accessories Combination
Installation Internal Accessory Mounting Locations P400/630 internal accessories combination Legend Notice: Only 2 internal accessories can be mounted on the right-hand side of a P400 and P630 MCCB. Under no circumstances can 3 or more be installed. Examples: 2 AUX 1 Alarm and 1 AUX 1 Shunt and 1 AUX 1 UVT and 1 AUX... -
Page 26: Alarm, Shunt & Uvt Installation
Installation Alarm, Shunt & UVT Installation The alarm, shunt and UVT have a trip bar that needs to interact with the MCCBs trip mechanism. As such they must be installed in a specific way. Refer to the supplied Installation Instructions for the respective accessories for further detail. Standard Alarm &... -
Page 27: Shunt & Uvt Installation
Installation Alarm, Shunt & UVT Installation Shunt & UVT installation Action Note Switch the Smart MCCB to the Tripped Position. Open the front cover of the MCCB. Locate the shunt or UVT’s trip bar into the MCCB trip mechanism slot. The shunt or UVT will need to be rolled into place, follow the... -
Page 28: Smart Auxiliary Installation
Installation Alarm, Shunt & UVT Installation SMART Auxiliary Installation Notice: Install auxiliary units last, to ensure the other accessories can be installed correctly. The method for installing standard and SMART Auxiliary modules are similar to the Alarm contact modules and clip straight in. Refer to the supplied Installation Instructions for the respective accessories for further detail. -
Page 29: Protection Settings
Protection Settings Trip Curve The TemBreak PRO P_SE electronic trip unit protects against overcurrent and short circuit faults for many types of electrical distribution systems. The SE OCR has protective characteristics according to the requirements of the standard AS/NZS IEC 60947.2. Depending on the protection type, adjusting protection parameters can be made using one or combination of the below methods: P_SE OCR rotary switches and embedded display TPED... -
Page 30: Long Time Delay Protection (Ltd)
Protection Settings Long Time Delay Protection (LTD) The Long Time Delay protection protects against current overloads or surges in power distribution or motor control applications. Long Time Delay protection is an inverse-time protection which includes a thermal image function. Long Time Delay Settings Description Long Time Delay protection threshold (current rating) Long Time Delay (time delay) -
Page 31: Adjusting I R (Current)
Protection Settings Adjusting I (Current) The LTD protection trip range is: 1.05...1.20 x I according to standard AS/NZS IEC 60947.2. The trip threshold tolerance I for the long-time delay protection is +5% to +20%. The I trip threshold is firstly set using the I max scale dial on the front of the MCCB, then, if necessary, from the embedded screen display to further adjust in fine increments of 1A. -
Page 32: Adjusting T R (Time Delay)
Protection Settings Long Time Delay (LTD) protection Adjusting t (Time Delay) The t time delay defines the trip time of the long-time delay protection for a current of 6 x I Adjustments to t parameter can be made using: P_SE OCR embedded display TPED TPCM Adjustment Range (seconds) -
Page 33: Thermal Memory / Hot-Cold Start Mode
Protection Settings Long Time Delay (LTD) protection Thermal memory / Hot–Cold start mode TemBreak PRO electronic OCRs have a thermal imaging function, which models the active heating and cooling of electrical conductors as current passes through them. The thermal imaging function calculates a thermal value (θ) for the conductors, which trips the MCCB when its thermal threshold (θ ) is trip reached. -
Page 34: Short Time Delay Protection (Std)
Protection Settings Short Time Delay Protection (STD) The short time delay protection is designed to protect against low level short-circuit conditions. Short Time Delay Protection Settings Description (x I ) / OFF Short Time Delay protection threshold / Disable (ms) Short Time Delay I²t (ON / OFF) Inverse I²t time... -
Page 35: Adjusting I Sd (Current)
Protection Settings Short Time Delay (STD) Protection Adjusting I (Current) The l trip threshold tolerance for STD protection is ±10%. Depending on the MCCB ampere frame size, adjustments to I parameter can be made using one or a combination of the below methods: P_SE OCR rotary dials and embedded display TPED TPCM... - Page 36 Protection Settings Short Time Delay (STD) Protection Adjusting I (Current) P400 and P630 Similarly to the LTD parameter settings, on P400 / P630 ampere frame sizes, the I settings are split into maximum and fine adjustment settings. The I threshold is firstly set using the I max adjustment dial on the front of the MCCB, then, if necessary, further adjust in fine increments of 0.5 x I using the embedded screen display or one of the methods below.
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Page 37: Adjusting T Sd (Time Delay)
Protection Settings Short Time Delay (STD) Protection Adjusting t (Time Delay) Depending on the MCCB ampere frame size, adjustments to t parameter can be made using one or a combination of the below methods: P_SE OCR embedded display TPED TPCM Time Delay Adjustment Settings (ms) The trip time tolerance for short time delay protection is as follows: For t... -
Page 38: I 2 T Function For Std
Protection Settings Short Time Delay (STD) Protection t function for STD When enabled, the I²t function for STD may be used to improve selectivity with downstream devices by overlaying a supplementary I t = K curve within the STD tripping section, starting from the I threshold setting up to the I threshold setting. - Page 39 Protection Settings Short Time Delay (STD) Protection t function for STD The below graphic illustrates the difference between I t enabled and disabled with a I t curve based on I = 630A for reference. Settings Full curve Full curve t ONLY with I t disabled...
- Page 40 Protection Settings Short Time Delay (STD) Protection t function for STD The I t curve is based on the setting of I The below time current graph illustrates the effect of the I t curves calculated for different I settings. Settings t ONLY Full curve...
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Page 41: Thermal Self-Protection
Protection Settings Thermal Self-Protection Thermal self-protection is enabled automatically where STD is disabled. This is to ensure that the continuation of the LTD curve does not intersect with the Critical Area of the MCCB, which could create overheating stresses in the MCCB and cause irreparable damage and/or undesirable operation or failure of the trip-unit. -
Page 42: Instantaneous Protection (Inst)
Protection Settings Instantaneous Protection (INST) Instantaneous protection is designed to protect against high current short circuits. This protection is independent of time and is set as a multiple of the rated current I Instantaneous Protection Settings Description (x I Instantaneous protection threshold Adjusting I (Current) The l... -
Page 43: Ground/Earth Fault Protection (Gf)
Protection Settings Ground/Earth Fault Protection (GF) Ground Fault protection is protection against high strength insulation / earth faults. Ground fault is available with 3P and 4P P_SE MCCBs as standard. Ground Fault Protection Settings Description (x I Ground fault current trip threshold (ms) Ground fault time delay I²t... -
Page 44: Adjusting T G (Time Delay)
Protection Settings Ground Fault (Earth Fault) Protection Adjusting t (Time Delay) The trip time tolerance for ground protection is: For t = 50 ms: ±30 ms For t ≥ 100 ms: -20 ms / +50 ms Adjustments to t time delay can be made using one or a combination of the below methods: P_SE OCR embedded display TPED TPCM... -
Page 45: Neutral Protection (Np)
Protection Settings Neutral Protection (NP) Neutral protection is available with 4P P_SE MCCBs as standard. It is particularly useful when the cross-section of the neutral conductor is reduced in relation to the phase conductors. Neutral protection is based off the standard LTD and STD protection parameter of the main phases. The I and I parameters for the Neutral pole are adjusted according to the set Neutral Coefficient percentage. -
Page 46: Zone Selective Interlocking Function (Zsi)
Protection Settings Zone Selective Interlocking Function (ZSI) WARNING: The ZSI function is supplementary to time selectivity (t and t time delay). Under no circumstances shall it be used to replace normal STD and/or GF protection. Zone interlocking is a high-speed signalling method applied between multiple combinations of MCCBs and ACBs to improve the level of protection in a low voltage power distribution system. -
Page 47: Setting The Zsi Function
Protection Settings Setting the ZSI function The P250SE / P400SE / P630SE MCCB must activate the ZSI protection to acknowledge selectivity per zone and respond according to any signals received on ZSI Changes to the settings of each of the ZSI functions can be made using one or a combination of the below methods: P_SE OCR embedded display TPED TPCM... -
Page 48: Zsi Example A
Protection Settings Zone Selective Interlocking Function (ZSI) ZSI example A Tier 1 Tier 2 Tier 3 Fault example a): A short circuit or ground fault occurs downstream of MCCB Q3. All upstream MCCBs Q1, Q2 and Q3 detect the fault at the same time. The ZSI signalling cable between the circuit breakers produces a signal from Q3, which informs Q2 that the downstream circuit breaker has detected the fault. -
Page 49: Measurement And Settings
Measurement and Settings Overview of Measurements The P_SE OCR measures and makes visible detailed real-time and historic measurements. Visibility of each measurement type is dependent on the interface used to interrogate the OCR and can be made using one or a combination of the below methods: P_SE OCR embedded display TPED TPCM... - Page 50 Measurements and settings Overview of Measurements P_SE OCR TPED TPCM Measurements Embedded Display Power Designator / Description ✓ ✓ ✓ Active ✓ ✓ ✓ Reactive ✓ ✓ Apparent ─ Max. of each P ✓ ✓ ✓ Max. of each Q Maximum since last reset ✓...
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Page 51: Accuracy Of Measurements
Measurements and settings Accuracy of Measurements The measurement accuracies of the P_SE OCR complies with the requirements of standard IEC 61557-12 Edition 1: Class 0.2 for measuring frequency, Class 0.5 for measuring voltages, Class 1 for measuring current, Class 2 for measuring active energy / power. The accuracy of each measurement is defined, in accordance with IEC 61557-12 Ed 1, for a supply within the rated ambient temperature range of the MCCB (-25°C...+70°C). -
Page 52: Real-Time And Min./Max. Measurements
Measurements and settings Real-Time and Min./Max. Measurements The P_SE OCR records historical maximum and minimum measurement values alongside real-time measurements. Some historical values may be manually reset, include User and OCR timestamps, and/or are unique to MCCB’s with Neutral reference (3Ph+N) or without (3Ph) depending on system topology. - Page 53 Measurements and settings Historical min/max measurements Measurement Value Designator / Description Minimum Real-time Maximum 3Ph 3Ph+N Power Value Timestamp Value Value Timestamp ✓ ✓ ✓ ✓ ─ ─ ─ ✓ ✓ ✓ ✓ Active power ─ ─ ─ ✓ ✓ ✓...
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Page 54: Current And Voltage Imbalances
Measurements and settings Imbalances Current and Voltage Imbalances The P_SE OCR calculates in real-time (every second) current and voltage imbalances as expressed as a % in relation to the arithmetic mean (average value) Current imbalance I is expressed as a % in relation to the arithmetic mean RMS current I p Unb ×... -
Page 55: System Phase Sequence
Measurements and settings System Phase Sequence This parameter is used to configure the sequence of phases for the network supplying the P_SE MCCB. Changes to the system phase sequence setting can be made using one or a combination of the below methods: P_SE OCR embedded display TPED TPCM... -
Page 56: Power Related Measurements
Measurements and settings Power Related Measurements The P_SE OCR calculates the electrical power related parameters in real-time by taking discrete instantaneous measurements of voltage and current at regular sample intervals, with the available data refreshed once every second: Active power (P) Reactive power (Q) Apparent power (S) Power Factor (PF) - Page 57 Measurements and settings Power Related Measurements Power flow direction and quadrant The P_SE MCCB power supply can be fed in either forward or reverse direction to allow for varied applications and physical installation requirements. Power measurement values are denoted by positive or negative in accordance with the power sign polarity. To ensure accuracy of measurements and other calculated values (such as energy and quadrant), the P_SE OCR must be configured with the correct power flow direction, which reflects the physical direction of supply.
- Page 58 Measurements and settings Power Related Measurements Reactive and apparent power calculation convention Total reactive (Q ) and apparent (S ) power for a 3-phase-3-wire system are calculated in the P_SE OCR using either Arithmetic or Vector convention, which is selectable during configuration. Changes to the reactive and apparent power calculation convention can be made using one or a combination of the below methods: TPED TPCM...
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Page 59: Power Factor (Pf And Cosφ)
Measurements and settings Power Related Measurements Power factor (PF and cosφ) The P_SE OCR calculates in real-time (every second) the total three-phase power factor (PF ) from the ratio of total active power (P ) to total apparent power (S ) in both MCCB system topology (3Ph or 3Ph+N). - Page 60 Measurements and settings Power Related Measurements Power factor sign convention Power factor values (both PF and cosφ) are represented by the P_SE OCR as having either a positive (+) or negative (-) sign depending on the sign convention setting. The two sign conventions are dependent on either IEC or IEEE standards. Changes to the power factor sign convention can be made using one or a combination of the below methods: TPED TPCM...
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Page 61: Total Harmonic Distortion (Thd)
Measurements and settings Total Harmonic Distortion (THD) The P_SE OCR calculates the total harmonic distortion levels from the real-time current and voltage measurements (every second). These calculations are performed up to the 31st harmonic. The total harmonic distortion levels may be used to indicate load or power supply quality according to the purity of the current and/or voltage waveform, where low level of wave distortion is ideal. -
Page 62: Demand Values (Averaged Values Over An Interval)
Measurements and settings Demand Values (averaged values over an interval) The P_SE OCR calculates the averaged current and power values by integration over a specified time interval. These are the Demand values or the averaged values over an interval. Demand values are useful in order to create a load profile for the loads supplied by the P_SE MCCB. Demand values are distinct and not to be confused with other instantaneous average measurements (e.g. -
Page 63: Demand Mode
Measurements and settings Demand values (averaged values over an interval) Demand mode There are 3 types of time window intervals which are configurable in the OCR: Fixed window Sliding window Synchronised window (Sync. Bus) Changes to the Demand interval type and time can be made using one or a combination of the below methods: TPED TPCM TPED setting... - Page 64 Measurements and settings Demand values (averaged values over an interval) Synchronised window This mode is only compatible with the use of the TPCM, whereby a synchronisation pulse is generated via write Command ID: 132 “Trigger signal of Bus synchronisation Demand mode”. The time interval for the calculation of the demand value is determined by the time between synchronisation pulses.
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Page 65: Energy Measurements
Measurements and settings Energy Measurements The P_SE OCR provides various energy readings by integrating the instantaneous power over a network period and storing the totalised energy in several counters and incremented once every second. Active and reactive energy counters provide separate and combined values for produced and consumed energy (i.e. energy flowing through the MCCB in either direction). -
Page 66: Alarms
Alarms Alarm Types The P_SE OCR provides alarming for various types of events based on system status and live monitoring of parameters. There are four types of alarms based on functionality and configurability: System alarm: Correspond to predefined events internal to the OCR. Pre-Trip alarm (PTA): Provides a warning about the imminent trip risk due to a current overload. -
Page 67: Priority Level
Alarms Priority Level Each trip and custom alarm is associated with it a priority level, which determines how each alarm is displayed and logged. Notice: Custom alarms are only visible using the TPED or TPCM, however, the P_SE OCR will still monitor and log any prior configured alarms without either TPED or TPCM connected. -
Page 68: System Alarms
Alarms System Alarms System alarms are produced as a result of at least one of the following pre-defined events, which are not user configurable: Internal OCR error OCR temperature alarm Disconnection of neutral Internal OCR error: The P_SE OCR constantly monitors its protection function. In the event of an operating fault concerning the electronics of the OCR, the Internal trip unit error alarm is activated and the OCR Status LED flashes orange. -
Page 69: Pta (Pre-Trip Alarm)
Alarms PTA (Pre-Trip Alarm) The Pre-Trip Alarm permits monitoring and early warning of overload conditions prior to an actual LTD trip. The PTA setting is defined by two parameters which define the Pre-trip warning and Pre-trip Alarm zones and thus the behaviour of the PTA contact and status LED: PTA current threshold I : Threshold expressed as a percentage of I and is adjustable from 60…95%... -
Page 70: Pre-Trip Alarm Configurable Settings
Alarms Pre-Trip Alarm Configurable Settings The trip threshold and time delay for the PTA overload pre-alarm can be adjusted. The parameters are defined in relation to the long-time delay l and t parameters. Changes to the PTA I current threshold and t time delay can be made using one or a combination of the below methods: P_SE OCR embedded display TPED... -
Page 71: Trip Alarms
Alarms Trip Alarms The trip alarms indicate a trip type and provide information about the trip event values. The possible trips alarms are: Trip related to LTD protection Trip related to STD protection Trip related to INST protection Trip related to GF protection Trip related to OCR testing, servicing, and maintenance tools The following information is provided in the case of the message for a trip alarm: Trip cause... -
Page 72: Custom Alarms
Alarms Custom Alarms Custom alarms make it possible to produce alarms based specific events and measurements made by the P_SE OCR. They are only available to be configured and displayed using the TPED and/or TPCM in conjunction with the P_SE MCCB. Up to 12 custom alarms may be individually configured for a single P_SE OCR, with each used to monitor a single event of measurement. -
Page 73: Positive Activation
Alarms Positive activation In the case of a positive activation, the alarm is activated when the monitored value increases towards the pick-up threshold. This occurs when the pick-up threshold is set to a higher value than the drop-out threshold. Symbol Description Pick-up threshold Drop-out threshold... -
Page 74: Equivalent Value Activation
Alarms Custom Alarms Equivalent value activation For the equal value activation, the alarm is activated when the value measured is equal to the configured value. The activation threshold is the same as the activation value. Symbol Description Pick-up value Pick-up time delay Drop-out time delay TemBreak P_SE-UM-001-EN –... -
Page 75: Time Delays
Alarms Custom Alarms Time delays Custom alarms are activated once the pick-up threshold has been reached and the configured pick-up time delay has elapsed. Likewise, custom alarms are deactivated after the drop-out threshold is reached and the drop-out time delay has elapsed. Both pick-up and drop-out time delays are independently configurable, from a minimum 1 second to maximum 3000 seconds. -
Page 76: Custom Alarms List
Alarms Custom Alarms Custom alarms list Pick-up or Drop-out threshold value Pick-up or Drop-out time delay value Name 3Ph+N Unit Min. value Max. value Unit Min. value Max. value ✓ ✓ No assignment ─ ─ ─ ─ ─ ─ ─ ─... - Page 77 Alarms Custom Alarms Custom alarms List Pick-up or Drop-out threshold value Pick-up or Drop-out time delay value Name 3Ph+N Unit Min. value Max. value Unit Min. value Max. value ✓ Over Direct Active power [P 1000 3000 ─ ✓ Over Direct Active power [P 1000 3000 ─...
- Page 78 Alarms Custom Alarms Custom alarms List Pick-up or Drop-out threshold value Pick-up or Drop-out time delay value Name 3Ph+N Unit Min. value Max. value Unit Min. value Max. value ✓ Lagging displacement PF [Cosϕ ─ 0.01 0.99 3000 ─ ✓ Lagging displacement PF [Cosϕ...
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Page 79: Oac (Optional Alarm Contact)
Alarms OAC (Optional Alarm Contact) The OAC is an optional alarm which can be assigned with one of several types of alarms. When the assigned alarm is activated, the alarm will display on the P_SE embedded display. The OAC also has a physical contact which closes with the activation of the OAC alarm. Refer to the Optional Alarms List the list of available OAC alarm assignments. -
Page 80: Date & Time
Date & Time There are two types of Date & Time accessible from the OCR of the MCCB and which are used as timestamp of trips, alarms, and events, and which are affected by the presence of supply or control power to the OCR. OCR Time: Non-resettable time which is the absolute operating time of the OCR seconds. -
Page 81: History
History The P_SE OCR has an internal memory to enable the following logs to be stored: Trip alarm log (up to 10 most recent events) Custom alarm log (up to 40 most recent events) Log of changes to the protection settings (up to 5 most recent events per protection parameter) These logs are updated internal to the OCR after each event. -
Page 82: Protection Setting Changes Log
History Protection Setting Changes Log Changes to the protection settings are logged for the 5 most recent changes for each setting type are accessible using one or a combination of the below methods: TPED TPCM Each protection setting changes log is stored with the following information with respect to the protection setting type: Previous setting type Timestamp of change Notes... -
Page 83: Write Protection
Write Protection WARNING: Changes and adjustments to protection settings and levels (either local or remotely) should only be performed by qualified personnel. Failure to comply may result in malfunction or damage of protective equipment, serious injury or death. Modifications made remotely over communications to the MCCB configuration settings may be dangerous for personnel near the circuit breaker or may cause damage to the equipment if the protection parameters are modified. -
Page 84: Password Management
The Level 2 password can only be modified with security access level 2. WARNING: If the Level 2 password is lost, it can only be reset or restored via authorised service and maintenance tools via the Maintenance Interface Port. Contact NHP for information on restoring lost passwords. TemBreak... -
Page 85: Ocr Power Supply
OCR Power Supply The P_SE OCR requires auxiliary power supply to operate and provide measurement, alarm, and configured protection functions. Auxiliary power to the OCR is self-powered whilst sufficient current is flowing through the MCCB, but can also be supplied via external 24V dc power supply for uninterrupted functionality. -
Page 86: External 24V Dc Supply Instructions - Cip Adapter Cable
OCR Power Supply External 24V dc supply instructions – CIP adapter cable Below are the steps for direct connection of power supply to the OCR with via CIP adapter cable: TPPHQTT140H (P160 / P250), or TPPHQTT160H (P400 / P630). WARNING: Local wiring rules shall be respected (e.g. AS/NZS 3000: Wiring Rules) and shall provide: - Separation of the power cables and ELV / communication cables - Secure the cable along the routing. - Page 87 OCR Power Supply External 24V dc supply instructions – CIP adapter cable Action Note / Illustration Insert the CIP connector for the CIP adapter in one of the connectors marked CIP inside the circuit breaker on the left-hand side. Route the cable for the CIP adapter along the left-hand side cable channel of the circuit breaker provided for this purpose.
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Page 88: Navigation
Navigation P_SE OCR Overview P160 / P250 Operation key MIP Port SMART OCR Joystick Embedded Display P400 / P630 Coarse Setting Dial Coarse Setting Dial LED Indication Unlock Button TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 89: Principles Of Navigation
Navigation Principles of Navigation The menu navigation and selection is preformed using the joystick on the left side OCR display. Button Action Description Navigation between main menus: Navigation within a submenu Selection / Entering / validation of a setting, by pressing the joystick Locking / Release Button By default, changing P_SE OCR protection settings are protected via a locking function. -
Page 90: Navigation Menus
Navigation Navigation Menus The embedded display provides access to P_SE OCR settings and measurement viewing and status via 4 main menus: Protection Measurement Configuration Information Protection Setting Menu The protection menu consists of sub-menus to view and edit each OCR protection setting. Refer to the Protection Settings section for more details on each of the available protection setting parameters and their adjustments via the P_SE... -
Page 91: Measurement Menu
Navigation Navigation Menus Measurement Menu The measurement menu is where you can view measurements and set favourites for screen saver. Refer to the Measurements and Settings section for more details on the measurements available on the P_SE Embedded display Pressing the joystick down on the Measurements menu allows scrolling through and viewing of the following parameters and options. Measurement Designator / Description Notes... -
Page 92: Setup Menu
Navigation Navigation Menus Setup Menu The Setup menu consists of sub-menus to view and change OCR embedded display settings for: Date & Time Display Orientation and Brightness Standby mode. Reset the maximum measurement values. Return to factory settings. Permission to remotely write data Pressing the joystick down on the Setup menu allows scrolling through and viewing of the following parameters and options Parameter Symbol... -
Page 93: Information Menu
Navigation Navigation Menus Information Menu Pressing the joystick down on the Information menu allows scrolling through and viewing of the following parameters and options: Parameter Symbol Description Trip History Information on the last trip cause – Refer to Last Trip section for more information Number of operating cycles opening / closing Number of electromechanical fault trips... -
Page 94: Sleep / Standby
Navigation Sleep / Standby After 30 seconds of inactivity (no movement of the joystick), the embedded display will enter Standby mode, whereby it will automatically scroll through a loop of favourited measurements every 3 seconds. Refer Setting Favourites section for information on how to set favourite measurements to be displayed in Standby mode. If Sleep mode is activated from the information menu, the display switches off after 5 minutes of inactivity. -
Page 95: Commissioning
Commissioning Starting the P_SE MCCB for the First Time WARNING: Before applying power to the MCCB for the first time, an initial inspection must be performed. At first start-up, before being able to access the various menus, the embedded display will prompt the user to set the orientation, brightness and Standby mode. -
Page 96: Ltd Protection Adjustments
Commissioning LTD Protection Adjustments (I WARNING: Risk of nuisance tripping. Only qualified personnel are to set the protection levels. Failure to respect these instructions may cause death, serious injuries or equipment damage. After having set the display, the I max setpoint and I current should be set as follows: Action Note / Illustration... - Page 97 Commissioning LTD Protection adjustments (I and t Action Note / Illustration At this stage it is possible to modify the other protection settings. To do this, it is important to remain in Unlocked mode, unsure only press the left arrow once. Pressing more than once will lock the display, the display Note: would need to be unlocked to proceed.
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Page 98: Navigation And Settings After The First Setup
Commissioning Navigation and Settings After the First Setup After setting the max I setpoint (I dial), it is necessary to: Set the other protection parameters for the circuit breaker Set the trip unit clock Below uses I as an example for setting all other protection settings. Refer to Protection Settings section for more information in additional settings. - Page 99 Commissioning Navigation and Settings After the First Setup Action Note / Illustration Move the navigation joystick upwards or downwards to select the desired value or method. Press the centre of the joystick to confirm the new setting At this stage it is possible to modify other settings of the current menu.
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Page 100: Accessing Measurements
Commissioning Accessing Measurements Refer to the Measurements and Settings section for more details on the measurements available on the P_SE Embedded display Action Note / Illustration Move the joystick to the right to select the Measurements menu. Then press the joystick to access the Measurements menu. Move the navigation joystick downwards or upwards to view the available measurements. -
Page 101: Setting Favourites
Commissioning Setting Favourites Default Display Favourites are deactivated by default. To manage favourites, proceed as follows: Action Note / Illustration Move the joystick to the right to select the Measurements menu. Then press the joystick to access the Measurements menu. Move the navigation joystick downwards to select the view to be set as the favourite. -
Page 102: Accessing Setup Settings
Commissioning Accessing Setup Settings Default Display Favourites are deactivated by default. To manage favourites, proceed as follows: Action Note / Illustration Move the joystick to the right to select the Setup menu. Then press the joystick in to access the Setup menu. Move the navigation joystick upwards or downwards to view the available settings. - Page 103 Commissioning Accessing Setup Settings Settings Icon Available Settings Default Unlock Required Time Hours / Minutes AM / PM Day / Month / Year Date Values D / M / Y Year / Month / Day Display Orientation ← / ↑ / → / ↓ ↑...
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Page 104: Troubleshooting
Troubleshooting In the event of a problem when using the TemBreak PRO system, this section provides advice on how to resolve issues. Problem description Possible cause Remedial advice Ready LED OFF Insufficient or no power to the Verify power supply requirements. Refer to OCR Power Supply section. - Page 105 Troubleshooting Problem description Possible cause Remedial advice OCR over temperature alarm Excessive ambient temperature. Verify ambient temperature surrounding the MCCB do not exceed the maximum rated (Internal OCR temperature > 105°C) ambient temperature range (-25°C...+70°C) Loose terminal screw or conductor Verify and correct any loose connections to load and line terminals.
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Page 106: Annex A - Dimensions
Annex A – Dimensions P160 Dimensions TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 107: P250 Dimensions
Annex A – Dimensions P250 Dimensions TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 108: P400 Dimensions
Annex A – Dimensions P400 Dimensions TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 109: P630 Dimensions
Annex A – Dimensions P630 Dimensions TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 110: Annex B - Trip Curves
To aide in selectivity studies, a trip curve based on the actual settings used can be generated using the software package TemCurve. Contact NHP for details on TemCurve and Selectivity. -
Page 111: Annex C - I 2 T Let-Through Curves
Annex C – I t Let-Through Curves P160_SE TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 112: P250_Se
Annex C – I t Let-Through Curves P250_SE TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 113: P400_Se
Annex C – I t Let-Through Curves P400_SE TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 114: P630_Se
Annex C – I t Let-Through Curves P630_SE TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 115: Annex D - Peak Let Through Curves
Annex D – Peak Let Through Curves P160_SE TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 116: P250_Se
P250_SE TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 117: P400_Se
P400_SE TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 118: P630_Se
P630_SE TemBreak P_SE-UM-001-EN – V1.2.0... -
Page 119: Annex E - Watts Loss
Annex E – Watts Loss Front Connection Ampere frame Rating Impedance per pole AC Power dissipation per pole Pole numbers AC Power dissipation per product In (A) Z (mΩ) Power (W) Power (W) 0.35 0.56 1.68 P160 100A 0.35 3.50 3P / 4P 10.5 160A... -
Page 120: Annex F - Rated Temperature Tables
Annex F – Rated Temperature Tables Rated Temperature Rated Current (A) Connection Ampere frame Rated I type 30℃ 35℃ 40℃ 45℃ 50℃ 55℃ 60℃ 65℃ 70℃ P160 100A 160A 100A Front Conn. P250 Rear Conn. 160A 250A 250A P400 400A P630 630A Rated Temperature... - Page 121 This page is intentionally left blank TemBreak P_SE-UM-001-EN – V1.2.0...
- Page 122 P_SE-UM-001-EN Version 1.2.0 Published 26th April 2021 1300 NHP NHP nhp.com.au NHP Electrical Engineering Products 0800 NHP NHP nhp-nz.com...
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