Related Manuals for TERASAKI NHP TemBreakPRO P400F
Summarization of Contents
Using this manual
Safety Precautions
General safety guidelines for installation, operation, and maintenance of NHP/Terasaki products.
Authorised Personnel Only
Emphasizes that installation and operation must be done by qualified personnel.
Appropriate use of NHP / Terasaki products
Defines the intended applications and conditions for product use.
Warnings and notes
Explains the classification of safety warning symbols and their meanings.
Introduction
Who Should Use This Manual?
Identifies the target audience for this user manual.
Additional resources
Lists related documents for installation, communication, and auxiliary modules.
Terminology and Abbreviations
Glossary of Terms
Provides definitions for abbreviations and terms used in the manual.
Product Information
Key Features
Lists key features of the TemBreak PRO P_SE MCCB.
Frame Sizes
Lists the available frame sizes for the MCCB.
Protection Functions
Outlines the various protection functions offered by the trip unit.
Part Number Breakdown
Explains the coding system for product part numbers.
P160_SE and P250_SE Information
Provides technical specifications for P160_SE and P250_SE models.
Internal Accessories
Auxiliary & Alarm Switches
Introduces auxiliary and alarm contact types and their functions.
Shunt Trip
Details shunt trip modules for tripping the MCCB by applying voltage.
Under Voltage Trips
Describes under voltage trip (UVT) modules and their specifications.
P_SE Only MCCB Accessories
TemView PRO (TVP)
Describes the TemView PRO external display for monitoring and configuration.
TemCom PRO (TPCM)
Details the TemCom PRO module for Modbus RTU communication.
Connection Cables
Lists available cables for connecting TVP/TPCM and ZSI.
Installation
Safety Precautions
Provides essential safety precautions before installation.
Clearances
Discusses phase-to-phase and phase-to-earth clearances.
Internal Accessory Mounting Locations
Illustrates internal accessory mounting positions for P160 frame.
Alarm, Shunt & UVT Installation
Provides steps for installing alarm, shunt, and UVT accessories.
Protection Settings
Trip Curve
Explains the protective characteristics and adjustable parameters of the trip unit.
Long Time Delay Protection (LTD)
Details the LTD protection function and its time delay equation.
Adjusting Ir (Current)
Explains how to set the LTD protection current threshold (Ir).
Adjusting Isd (Current)
Explains how to set the STD protection current threshold (Isd).
Ground/Earth Fault Protection (GF)
Explains GF protection for insulation and earth faults.
Zone Selective Interlocking Function (ZSI)
Describes ZSI for improving protection selectivity in low voltage systems.
Measurement and Settings
Overview of Measurements
Introduces real-time and historic measurements available on the trip unit.
Accuracy of Measurements
Details the measurement accuracies compliant with IEC 61557-12.
Current and Voltage Imbalances
Explains how current and voltage imbalances are calculated and expressed.
Power flow direction and quadrant
Explains how power flow direction affects measurements and quadrant display.
Total Harmonic Distortion (THD)
Explains THD calculation for current and voltage waveforms.
Demand Values (averaged values over an interval)
Describes demand values for load profiling and their calculation.
Alarms
Alarm Types
Categorizes alarms: System, Pre-Trip, Trip, and Custom alarms.
Alarm Indication
Explains how alarms are indicated via LEDs and display messages.
Priority Level
Describes how priority levels affect alarm display and logging.
PTA (Pre-Trip Alarm)
Explains PTA for overload warning and its parameters (Ip, tp).
Custom Alarms
Explains how to create custom alarms based on events and measurements.
Date & Time
Trip Unit Time
Explains the non-resettable operating time of the trip unit.
User Time
Details the resettable time configurable by the user.
History
Trip Alarm Log
Explains how trip alarm events (LTD, STD, INST, GF) are logged.
Protection Setting Changes Log
Describes logging of changes to protection settings.
Write Protection
Remote Write Authorization
Explains enabling authorization for remote data writing via LCD.
Password Management
Details security access levels and passwords for configuration protection.
Trip Unit Power Supply
Self-power requirements
Lists minimum conditions for trip unit self-powering.
External 24V dc supply requirements
Details requirements for an external 24Vdc supply for uninterrupted function.
Navigation
P_SE Trip Unit Overview
Identifies the main operational keys and ports on the P_SE Trip Unit.
Principles of Navigation
Explains menu navigation using the joystick and button actions.
Locking / Release Button
Describes the lock function protecting settings and how to unlock.
Protection Setting Menu
Details the sub-menus for viewing and editing protection settings.
Measurement Menu
Explains how to view measurements and set favourites.
Setup Menu
Lists sub-menus for changing display settings like Date & Time, Brightness, etc.
Commissioning
Starting the P_SE MCCB for the First Time
Guides through initial setup of orientation, brightness, and Standby mode.
LTD Protection Adjustments (Ir, tr)
Details the process for adjusting Ir (current) and tr (time delay) for LTD protection.
Navigation and Settings After the First Setup
Guides on setting other protection parameters and the Trip Unit clock.
Accessing Measurements
Explains how to access and view measurements via the embedded display.
Setting Favourites
Guides on setting and deleting favourite measurements for display.
Accessing Setup Settings
Explains how to access and change settings in the Setup menu.
Troubleshooting
Ready LED OFF
Provides solutions for issues when the Ready LED is OFF.
Ready LED flashing orange
Offers solutions for issues indicated by a flashing orange Ready LED.
The embedded display is blank
Provides troubleshooting steps for a blank embedded display.
Trip Unit over temperature alarm
Addresses issues related to the Trip Unit over temperature alarm.
Annex A – Dimensions
P160 Dimensions
Provides dimensional drawings and specifications for P160 models.
P250 Dimensions
Details dimensions for P250 models.
P400 Dimensions
Details dimensions for P400 models.
P630 Dimensions
Details dimensions for P630 models.
Annex B – Trip Curves
Trip Curve Representation
Explains that trip curves are representative and configurable.
Annex C – I²t Let-Through Curves
P160_SE I²t Curves
Shows I²t let-through energy characteristics for P160_SE.
P250_SE I²t Curves
Displays I²t let-through energy characteristics for P250_SE.
P400_SE I²t Curves
Shows I²t let-through energy characteristics for P400_SE.
P630_SE I²t Curves
Displays I²t let-through energy characteristics for P630_SE.
Annex D – Peak Let Through Curves
P160_SE Peak Let Through
Shows peak current let-through characteristics for P160_SE.
P250_SE Peak Let Through
Displays peak current let-through characteristics for P250_SE.
P400_SE Peak Let Through
Shows peak current let-through characteristics for P400_SE.
P630_SE Peak Let Through
Displays peak current let-through characteristics for P630_SE.
Annex E – Watts Loss
Impedance Watts Loss
Provides impedance and watts loss data for various frames.
Resistance Watts Loss
Details resistance and watts loss data for various frames.
Annex F – Rated Temperature Tables
P160 Electronic Rated Current
Lists rated current values for P160 Electronic at different ambient temperatures.
P250 Electronic Rated Current
Provides rated current values for P250 Electronic at different ambient temperatures.
P400 Electronic Rated Current
Lists rated current values for P400 Electronic at different ambient temperatures.
P630 Electronic Rated Current
Details rated current values for P630 Electronic at different ambient temperatures.
Annex G – Wiring Diagrams & Terminal Designations
Internal Accessories Wiring
Shows wiring diagrams for internal accessories like Auxiliary, Alarm, Shunt, UVT.
ZSI Wiring (ACBs Upstream)
Illustrates ZSI wiring diagrams for ACBs upstream.
ZSI Wiring (MCCBs Upstream)
Illustrates ZSI wiring diagrams for MCCBs upstream.
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