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ABB MS116 Manual

Manual motor starter
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MA N UAL M OTOR STAR T ER G U ID E
Manual motor starter
MS116, MS132 and MS165

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Summary of Contents for ABB MS116

  • Page 1 — MA N UAL M OTOR STAR T ER G U ID E Manual motor starter MS116, MS132 and MS165...

  • Page 2: Foreword

    (UL / CSA). The handbook is neither a complete technical guide nor a manual for all types of ABB’s motor starting solutions. It is a complement to the catalog, data sheets and brochures available for our products and will provide a general over- view of what to consider when working with manual motor starters.

  • Page 3: Table Of Contents

    2.3.2 Circuit-breaker ................................... 21 2.3.3 Load switch ..................................21 2.3.4 Disconnect switch ................................21 2.4 Product offering ..................................22 2.4.1 MS116 ....................................23 2.4.2 MS132 ....................................23 2.4.2.1 MS132-K .................................... 23 2.4.3 MS165 ....................................23 2.4.4 MS132-T and MS132-KT ..............................23 2.4.5 MO132 and MO165 ................................
  • Page 4 MA N UA L MOTOR START ER G UI D E 3.2.8 Torque ....................................39 3.3 Hermetic refrigerant compressor motors ..........................40 3.4 Lamps and lighting loads ................................. 41 3.5 Transformers ....................................41 3.5.1 Primary-side protection of transformers ........................41 3.5.2 Secondary-side protection of transformers....................... 41 3.6 Capacitors ....................................
  • Page 5 MA N UA L MOTOR START ER G UI D E 7.6.1 Defining Manual Motor Controllers (NLRV)........................66 7.6.2 Defining Combination Motor Controllers (NKJH) ...................... 72 8. Glossary ....................................76 9. Appendix .................................... 78 APR I L 19 5 /8 0...
  • Page 6 65 percent of the electricity con- sumed in industrial applications. ABB is not only a long-standing advocate of the need for high efficiency in motors and its policy is to offer high-efficiency motors as standard, but also making sure that motors and users are properly protected.
  • Page 7 MA N UA L MOTOR START ER G UI D E The greatest risk for applications such as motors is over- heating. Abnormal temperature rises can be caused by overloads, electrical faults, cooling problems or improper operating parameters or operation conditions. This differ- entiates motors and pumps from other applications, such as heating resistors or lamps.

  • Page 8: Standards And Approvals For Manual Motor Starters

    1. Standards and approvals for manual motor starters All ABB low voltage devices are developed and manufactured according to the rules set out in the IEC (International Electrotechnical Commission). The IEC issues publications that act as a basis for the world market. The applicable standard is the IEC 60947 series for Europe and UL 60947 for North America.

  • Page 9: Ccc (China Compulsory Certification)

    MA N UA L MOTOR START ER G UI D E 1.4 CCC (China Compulsory Certification) Since the manual motor starters standard is listed according to the CCC-regulation in China, it is mandatory to have the product approved and labelled with a CCC-mark to be allowed to be put on the Chinese market. The Chinese GB14048.2 and GB14048.4 standard is based on the IEC-standard IEC 60947-2 and IEC 60947-4-1.
  • Page 10 MA N UA L MOTOR START ER G UI D E 1.7.3 European Directives referred to ATEX Commonly referred to as ATEX, from the French “ATmosphères EXplosibles”, this European Directives is a combina- tion of two EU directives: The Worker Protection Directive 1999/92/EC and the Product Directive 2014/34/EU. This provides guidelines similar to the IECEx system, with a few exceptions, and without the certification of service facili- ties and certification of personnel competencies.
  • Page 11 MA N UA L MOTOR START ER G UI D E 1.7.5 Equipment categories Equipment categories are used in the ATEX directive. The category indicates which safety level must be used in each zone. In zone 0/20, category 1 devices must be used; in zone 1/21, category 2 devices; and in zone 2/22, category 3 devices.

  • Page 12: Applied Standards

    MA N UA L MOTOR START ER G UI D E 1.8 Applied standards Following standards are used or partly used for ABB’s manual motor starters. International and Title European Standards IEC / EN 60947-1 Low-voltage switchgear and controlgear - Part 1: General rules...

  • Page 13: General Product Overview

    MA N UA L MOTOR START ER G UI D E 2. General product overview 2.1 Basic function Manual motor starters protect the motor and the installation against short-circuits and overloads. They are three pole electro-mechanical protection devices with a release for overload protection and short-circuit protection. Fur- thermore, they provide a disconnect function for safe isolation of the installation and the power supply and the can be used for switching loads ON and OFF manually.

  • Page 14: Release (Tripping Element)

    Figure 3: Tripping diagram for the MSx and MOx. Tripping curves for manual motor starters are easily accessible at ABB’s Download Center. https://library.abb.com/ > All Categories > Products > Low Voltage Products and Systems > Control Product > Manual Motor Starters...

  • Page 15: Overload Protection

    2.1.4 Overload trip classes ABB manual motor starters fulfill their trip classes in accordance with IEC 60947-4-1 and UL 60947-4-1A. The trip class of a manual motor starter indicates the maximum tripping time from a cold state. This tripping time refers to a steady symmetrical three-pole load with a 7.2x current setting.

  • Page 16: Phase Loss Sensitivity

    MA N UA L MOTOR START ER G UI D E 2.1.6 Phase loss sensitivity Phase loss sensitivity is a characteristic of an inverse time-delay and thermal over-current releases. A strong imbal- ance between phases can damage motors and other loads. Manual motor starters are designed to detect these conditions and trip to prevent load-side circuit and motor damage.

  • Page 17: Terms And Ratings

    MA N UA L MOTOR START ER G UI D E 2.2 Terms and ratings 2.2.1 Rated operational voltage (U The rated operational voltage of a manual motor starter is a value of phase-to phase voltage which determines the possible application of the manual motor starter. This voltage needs to be considered in combination with a rated operational current.

  • Page 18: Selectivity Categories

    Figure 5: Diagram for the Ambient air temperature compensation. The ambient air temperature compensation is defined in IEC / EN 609471-4-1 within a temperature range from –5 to +40 °C. The ABB manual motor starters have a temperature compensation from -25°C up to +60°C. APR I L 19...

  • Page 19: Temperature Rise Of The Manual Motor Starter

    2.2.7 Temperature rise of the manual motor starter ABB tests the manual motor starters according to the Standard IEC 60947-1 table 2 and 3. This table indicates the maximum temperature rise of the manual motor starters. Here you will find some example for the temperature rise:...

  • Page 20: Trip-Free Mechanism

    MA N UA L MOTOR START ER G UI D E 2.2.8 Trip-free mechanism As required by IEC 60947-1, the manual motor starter features a trip-free mechanism. This means that the manual motor starter trips even if the handle is locked in the “ON” position or held by hand. According to IEC 60204, a supply disconnecting device also requires a trip-free mechanism.

  • Page 21: Switch And Breaker Types

    MA N UA L MOTOR START ER G UI D E 2.3 Switch and breaker types Below is a description of the devices for the correct selection, these are applicable for the manual motor starter: − Motor protection circuit-breaker − Circuit-breaker −...

  • Page 22: Product Offering

    MA N UA L MOTOR START ER G UI D E 2.4 Product offering ABB provides a comprehensive manual motor starter. Worldwide the manual motor starters device types are divided into three ranges to simplify selection, coordination, and installation: MS116 with a standard performance range up to 32 A...

  • Page 23: Ms116

    The MS132 are manual motor starters with thermal and electromagnetic protection for rated operational currents Ie from 0.10 to 32 A. Just like the MS116, the MS132 offer motor protection up to 15 kW (400 V AC) / 32 A and has a mod- ule width of 45 mm.

  • Page 24: Accessories And Enclosures

    MA N UA L MOTOR START ER G UI D E 2.4.6 Accessories and enclosures Since manual motor starters combine the functions of multiple components, such as circuit-breakers, disconnect switches, and overload relays, they are offered with many of the same types of accessories. Thus, the manual motor starters can be extended with auxiliary contacts which can be connected either on the side or - especially to save space - on the front.
  • Page 25 The maximum capacity for MS116, MO132 and MS165     Figure 6: The maximum capacity for MS116, MO132 and MS165  − One front mounting auxiliary contact HKF1, − Two accessories mounted on the right: ...
  • Page 26 MA N UA L MOTOR START ER G UI D E 2.4.6.2 Auxiliary contacts HK1 und HKF1 Auxiliary contacts HK1 and HKF1 change position with the main contacts of the manual motor starter. They open and close a separate circuit depending on the position of the manual motor starter. The interface on the main device is the breaker.
  • Page 27 MA N UA L MOTOR START ER G UI D E 2.4.6.4 Shunt release AA1 The AA1 shunt release has a different direction of action to the UA1. The tripping occurs when a supply current is ap- plied. Thereby the anchor is attracted and rotates the transfer lever via the slider. In accordance with the basic IEC 60947-1 standard, the manual motor starter must be switched off by the AA1 if the supply voltage of the shunt re- lease measured during the tripping operation remains between 70% and 110% of the rated control circuit supply voltage.
  • Page 28 Figure 10: Manual motor starters with busbars As main accessories for MS116, MS132, MO132, MS132-T, there are three-phase busbars up to 65 A and up to 100 A, as well as feeder terminals for 25 mm and 35 mm rated cross sections.

  • Page 29: Load Types

    However, the general use AC-1 rating is sufficient for most heating applications. ABB manual motor starters are suitable for manual control and the protection of heating loads. Magnetic only (MO) types can be selected when additional overload protection is not required.

  • Page 30: Motors

    There are many different manufacturers represented on the market, selling at various prices. Not all motors have the same performance and quality as motors from ABB, for example. High efficiency enables significant savings in en- ergy costs during the motors’ normal endurance. In the IEC 60034-30 standard for rotating electrical machines, four different efficiency classes have been defined.

  • Page 31: About Motors

    There are many different manufacturers represented on the market, selling at various prices. Not all motors have the same performance and quality as, for example, motors from ABB. The starting current is a characteristic of the motor. The starting time is a function of load torque, inertia and motor torque and is influenced by the motor technology.

  • Page 32: International Motor Efficiency Standards And Regulations

    MA N UA L MOTOR START ER G UI D E 3.2.3 International motor efficiency standards and regulations Figure 14: International motor efficiency standards and regulations. Since the validation of IEC 60034-30:2008 and its refined version IEC 60034-30-1:2014, a worldwide energy efficiency classification system has existed for low voltage three-phase asynchronous motors.
  • Page 33 MA N UA L MOTOR START ER G UI D E 3.2.3.2 IEC 60034-30-1:2014 This standard defines four International Efficiency (IE) classes for single speed electric motors that are rated accord- ing to IEC 60034-1 or IEC 60079-0 (explosive atmospheres) and designed for operation on sinusoidal voltage. −...
  • Page 34 MA N UA L MOTOR START ER G UI D E 3.2.3.3 The following motors are excluded from IEC 60034-30-1: − Single-speed motors with 10 or more poles or multi-speed motors − Motors completely integrated into a machine (for example pumps, fans or compressors) that cannot be tested separately from the machine −...
  • Page 35 The core of ABB’s process performance range is based on a full range of IE2 and IE3 motors - with many available from stock. We also supply IE4 motors for additional energy savings.
  • Page 36 Figure 16: Diagram with the Currant at the start of a IE3 motor. To be able to offer the best possible starter solutions, ABB performed many tests on different motors, to map the relevant data when starting the motors, also taking into consideration the findings of ABB’s own motor manufacturing units.

  • Page 37: Rating Plate Of A Motor

      - Full load speed   - Rated operating current  - Power factor Figure 18: Rating plate of a ABB motor - Service factor   - Partial load efficiencies  - Rotation speed  - Drive end bearing type and amount of grease...

  • Page 38: Voltage

    MA N UA L MOTOR START ER G UI D E 3.2.5 Voltage Three-phase single speed motors can normally be connected for two different voltage levels. The three stator wind- ings are connected in star (Y) or delta (D) configurations. If the rating plate on a squirrel cage motor indicates voltages for both the star and delta connections, it is possible to use the motor for both 230 V AC, and 400 V AC as an example.

  • Page 39: Power Factor

    MA N UA L MOTOR START ER G UI D E Amplitude of inrush current The amplitude of the inrush current from IE1 to IE2 and IE3 / IE4 depends on the following factors in the respective application: − The structure of the motor −...

  • Page 40: Hermetic Refrigerant Compressor Motors

    For additional information regarding IE3 high-efficiency motors, please click the “Info on IE3 Motors” link in the Se- lected Optimized Coordination (SOC) selection tool (http://applications.it.abb.com/SOC/page/selection.aspx). 3.3 Hermetic refrigerant compressor motors A hermetic refrigerant compressor motor is a combination of a compressor and a motor, both of which are enclosed in the same housing, with no external shaft or shaft seals, with the motor operating in refrigerant.

  • Page 41: Lamps And Lighting Loads

    Table 12: Lamps and lighting loads. 3.5 Transformers A transformer is a passive electrical device designed to change one voltage to another. Therefor the ABB has built a version of Manual motor starters MS132-T, this suitable for control and protection of control transformers.

  • Page 42: Capacitors

    Capacitors are mainly used for reactive energy correction (raising the power factor). When capacitors are energized, overcurrents of high amplitude and high frequencies (3 to 15 kHz) occur during the transient period (1 to 2 ms). For more information regarding the control and protection of capacitors, please contact ABB. APR I L 19...

  • Page 43: Environmental And Application-Specific Factors

    ABB manual motor starters have an allowable ambient temperature range for single mountings between -25°C to 60°C (50°C for MS116). Correction factors for ambient temperatures up to 70°C and for group mounting are shown below.

  • Page 44: Duty Cycles And Restarting

    MA N UA L MOTOR START ER G UI D E 4.2 Duty cycles and restarting To avoid issues with nuisance tripping, manual motor starters should not be operated at an arbitrary operating fre- quency. Applications involving up to 15 starts per hour are acceptable. Higher starting frequencies are acceptable if the duty ratio is lower and the motor’s making current does not appreciably exceed six times the full-load current.

  • Page 45: Frequencies And Direct Current (Dc)

    MA N UA L MOTOR START ER G UI D E 4.3 Frequencies and direct current (DC) The magnetic trip values for manual motor starters are valid for frequencies from 50 to 60 Hz. Frequencies other than 50/60 Hz will have an impact on the instantaneous short-circuit release. In the range from 45 to 66 Hz, the oper- ating values of the instantaneous short-circuit release are within tolerance.

  • Page 46: Selection Criteria

    The coordination between devices cannot be determined directly: tests in power laboratories have to be carried out to qualify the coordination type at low fault and high fault currents according to IEC or UL standards. ABB coordina- tion tables are the results of such tests and represent the ABB offerings in terms of motor starting and protection, selectivity, back-up and switch-disconnector protection.
  • Page 47 MA N UA L MOTOR START ER G UI D E Under the interface “Motor protection” the following filters are available: − type of protection device − rated voltage − short-circuit current − starter type − coordination type − overload relay −...

  • Page 48: Installation And Commissioning

    Fixed on a 35 mm top hat rail according to DIN EN 60715 (35 x 15 or 35 x 7.5 mm). − Mounted using a screw fixing on a wall/panel. Manual motor starters can be fastened to the wall/panel using screws. MS116/MS132 manual motor starters require an additional accessory. Mounting: Dismantling: Figure 29: Mounting of a manual motor starter.

  • Page 49: Connection

    6.2.2 Connection cross sections 6.2.2.1 Connection cross sections for screw connection technology The following tables show the permissible conductor cross-sections for the main connections and auxiliary conduc- tor connections for sizes MS116, MS132, MO132, MS165 und MO165. For MS116: M3.5 1/2 x 0.75 ...
  • Page 50 MA N UA L MOTOR START ER G UI D E For accessories: M3.5 1/2 x 0.75…1.5 mm SK1, HK1, HKF1 ø 5.5 mm 1/2 x 1 ... 1.5 mm 1/2 x 0.75…1.5 mm 0.8 ... 1.2 Nm / 7 Ib.in 1/2 x AWG 16…14 8 mm M3.5...

  • Page 51: Motor Current Setting Procedure

    Insert a slot screwdriver (e.g. 0.5 x 2.5 mm) into the test opening and gently push it backwards. Result - when the manual motor starter trips to “TRIP” the test has been passed (the MS116 trip from “I” to “0”).

  • Page 52: How To Lock A Manual Starter By Disconnecting

    Secure the circuit-breaker against unauthorized use by locking the rotary switch with a padlock (bracket diameter 2.5 to 4.5 mm). For the MS116 a special accessory is needed to look the switch, the SA3. Figure 33: How to lock a manual starter by disconnecting it.

  • Page 53: Requirements For North America

    Recognized components are subject to additional “Conditions of Acceptability” which can be somewhat limiting in regard to their use in electrical installations. ABB manual motor starters are Listed products bearing a cULus mark. APR I L 19...

  • Page 54: Joint U.s.-Canadian Approvals

    MA N UA L MOTOR START ER G UI D E 7.1.2 Joint U.S.-Canadian approvals The Memorandum of Understanding (MOU), signed between UL and CSA in 2003, affords manufacturers the ability to certify products for both the U.S. and Canada through a single organization. This reduces the time to bring prod- ucts to the market and allows the most state-of-the-art products to start benefiting customers more quickly.

  • Page 55: Global Harmonization Efforts

    — Single motor disconnect — Manual self-protected Type E — Group installations — Type F — Tap conductor protection in group installa- — Protection of ABB Micro drives tions Table 21: Applications requiring APR I L 19 5 5/ 80...
  • Page 56 MA N UA L MOTOR START ER G UI D E 7.1.5.1 Tap conductor definition from section 240.2 of the National Electrical Code (NEC), 2014 edition “A conductor, other than a service conductor, that has overcurrent protection ahead of its point of supply that ex- ceeds the value permitted for similar conductors that are protected as described elsewhere in 240.4.”...

  • Page 57: Selecting The Right Short Circuit Current Ratings (Sccr) Level For Your Ul Application

    These tables can be found in our Main Catalog for Motor Protection and Control which can be accessed in the Download Center (https://library.abb.com) All Categories > Prod- ucts > Low Voltage Products and Systems > Control Product > Manual Motor Starters.

  • Page 58: North American Voltage Supply Networks And Load Types

    MA N UA L MOTOR START ER G UI D E 7.2 North American voltage supply networks and load types Electrical networks in North America supply power to residential, commercial, and industrial structures. Depending on the amount of power required for a given installation, various voltage configurations can be utilized. 7.2.1 North American voltages North American commercial installations are typically supplied using either 120/240 V AC split (dual) or 208Y/120 V AC, 3-phase wye networks.

  • Page 59: Straight Vs. Slash Voltage Ratings

    − Busbars ABB manual motor starters are tested for short-circuit current ratings in a wide variety of applications. SCCR values for manual motor starters may differ depending on how they are applied. See Chapter 7.1.6 Selecting the right Short Circuit Current Ratings (SCCR) level for your UL application for more guidance regarding the selection.

  • Page 60: Standard (Low) Fault Ratings - Mandatory

    Since the available fault current for a given installation can vary drastically, standard fault ratings alone are often too low for many applications. For this reason, manufactures, including ABB, often choose to test their devices beyond the minimum requirements. Any short-circuit testing above the minimum standard fault level and up to a maximum of 200 kA is referred to as a high fault rating.

  • Page 61: Defined Acceptance Criteria

    MA N UA L MOTOR START ER G UI D E 7.2.8 Defined acceptance criteria Failure of components under fault conditions can lead to safety concerns for personnel working in close proximity to electrical equipment. To outline what constitutes a pass, the harmonized UL 60947-4-1 and CSA C22.2 No.60947-4-1 standards define acceptance criteria for these components.

  • Page 62: Additional Current Limiting Devices

    MA N UA L MOTOR START ER G UI D E 7.2.10 Additional current limiting devices In addition to transformers, other devices, such as some types of fuses and circuit-breakers, also serve to limit the available fault current within a facility. The published let-through energy I t and peak let-through I can be used to determine the load-side available fault current.

  • Page 63: Functional Requirements For All Motor Branch Circuits

    MA N UA L MOTOR START ER G UI D E 7.4 Functional requirements for all motor branch circuits The installation standards for North America require that each motor branch circuit contains electrical components capable of meeting four functional requirements: a disconnect means, short-circuit and ground-fault protection, a control means, and overload protection.

  • Page 64: Disconnect Means For The Motor And Branch Circuit

    ABB. One critical aspect for selection is to ensure that the control means is properly rated for the type of load to be controlled, in this case “AC Motor”...

  • Page 65: Product Offering For North American Applications

    For additional information regarding product selection, please see our Main Catalog for Motor Control and Protection, at https://library.abb.com. > All Categories > Products > Low Voltage Products and Systems > Control Product > Manual Motor Starters. APR I L 19...

  • Page 66: Suitable Applications For Manual Motor Starters For North America

    7.6.1 Defining Manual Motor Controllers (NLRV) ABB manual motor starters are initially tested as Manual Motor Controllers (NLRV). A manual controller is defined as a hand-operated switching device whose contacts are controlled by the position of a mechanical actuator. These...
  • Page 67 MA N UA L MOTOR START ER G UI D E 7.6.1.1 Manual starters (non-combination) Manual starting methods offer a cost-effective alternative to remotely controlled starters. Manual starters feature a front-facing switching mechanism, typically in the form of a rotary knob, toggle switch, or pushbutton. This mecha- nism is the interface for direct ON/OFF control of the load.
  • Page 68 MA N UA L MOTOR START ER G UI D E 7.6.1.2 As part of a magnetic or solid-state starter (non-combination) Although manual motor starters are suitable for manually controlling motors by themselves, they can be combined with another controller, such as a contactor, to allow for remote control. This also increases the electrical durability of the starter.
  • Page 69 The ABB manual motor starter handles feature a trip-free mechanism, meaning the device will trip even if the handle is locked in the ON position or held by hand. They are capable of being locked in the OFF position directly, and acces- sory enclosures and through-door handles are available that meet the requirements for lock-out / tag-out and are 3x padlock able.
  • Page 70 Examples include a set of similarly sized loads (e.g. a fan bank), or a combination of a large main load and smaller support loads (e.g. lubrication pumps or cooling fans). ABB manual motor starters are suitable for use in group installations, and provide: ...
  • Page 71 MA N UA L MOTOR START ER G UI D E 7.6.1.5 Tap conductor protection in group installations Please note: as of the date of this publication, the following application is not applicable in Canada under CSA C22.1 The Canadian Electrical Code (CEC), Section 28. When manual motor starters are employed in standard group installations, their ability to protect against short- cir- cuits is not taken into consideration.

  • Page 72: Defining Combination Motor Controllers (Nkjh)

    Table 27: Defining Combination Motor Controllers (NKJH) Note: the information above is derived from UL 60947-4-1 and is intended for reference purposes only. A complete listing of ABB’s tested Combination Motor Controllers can be accessed online on UL’s website, using the keyword “ABB” (http://ul.com/search/?q=ABB).
  • Page 73 MA N UA L MOTOR START ER G UI D E 7.6.2.1 Manual self-protected Combination Motor Controllers, Type E Type E represents the only CMC construction type to allow use of a single component. Manual motor starters are the most common example. The term “self-protected” refers to the level of coordinated protection provided, as these combinations are subject to an intense validation process following short- circuit, including thousands of electrical and mechanical operations.
  • Page 74 MA N UA L MOTOR START ER G UI D E 7.6.2.2 Combination Motor Controllers, Type F Type F constructions are divided into two styles: two-component and three-component assemblies. Two-component Type F assemblies utilize a manual, self-protected device for both short- circuit and overload protection. Three-com- ponent Type F assemblies utilize a separate overload relay, and short- circuit protection is provided by a magnetic only (MO) manual motor starter.
  • Page 75 (e.g. variable frequency drives). This requires further component-level short- circuit testing to be performed accord- ing to UL 508C. ABB has performed testing to allow the use of manual motor starters for the protection of ACS150 and ACS3xx Micro drives.

  • Page 76: Glossary

    MA N UA L MOTOR START ER G UI D E 8. Glossary Alternating current Active power The power consumed by the motor which is converted into mechanical action. Ambient temperature Ambient temperature is the temperature of water, air or surrounding medium where the equipment is used or stored.
  • Page 77 MA N UA L MOTOR START ER G UI D E NLRV UL definition of a Manual Motor Controllers, see also Chapter: 7.6.1 Defining Manual Mo- tor Controllers (NLRV). NLRV UL definition of a Combination Motor Controllers, see also Chapter: 7.6.2 Defining Com- bination Motor Controllers (NKJH).

  • Page 78: Appendix

    MA N UA L MOTOR START ER G UI D E 9. Appendix Motor rated operational powers and currents The currents given below concern standard three-phase four-pole cage motors (1500 r.p.m. at 50 Hz 1800 r.p.m. at 60 Hz). These values are given for guidance and may vary according to the motor manufacturer and depending on the number of poles APR I L 19 78 /80...
  • Page 79 MA N UA L MOTOR START ER G UI D E Nominal efficiency limits defined in IEC 60034-30-1:2014 (reference values at 50 Hz, based on test methods specified in IEC 60034-2-1:2014). Out- Standard efficiency High efficiency Premium efficiency Super Premium efficiency 2 pole 4 pole 6 pole...
  • Page 80 We reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB does not accept any responsibility whatso- ever for potential errors or possible lack of information in this document.

This manual is also suitable for:

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