• IEC 60947-4-2:2011

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  31-12-2021

    Language(s): 

    Published date:  18-05-2011

    Publisher:  International Electrotechnical Committee

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms, definitions, symbols and abbreviations
    4 Classification
    5 Characteristics of a.c. semiconductor motor
      controllers and starters
    6 Product information
    7 Normal service, mounting and transport conditions
    8 Constructional and performance requirements
    9 Tests
    Annex A (normative) - Marking and identification
            of terminals
    Annex C (normative) - Co-ordination at the crossover
            current between the starter and associated SCPD
    Annex F (informative) - Operating capability
    Annex G (informative) - Examples of control circuit
            configurations
    Annex I (normative) - Modified test circuit for
            short-circuit testing of semiconductor motor
            controllers and starters
    Annex J (informative) - Flowchart for constructing
            bypassed semiconductor controllers tests
    Annex K (normative) - Extended functions within
            electronic overload relays
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC 60947-4-2:2011 applies to a.c. semiconductor motor controllers and starters, which may include a series mechanical switching device, intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V a.c. This standard characterizes a.c. semiconductor motor controllers and starters with and without bypass means. This third edition replaces the second edition published in 1999 and its Amendments 1 (2001) and 2 (2006). It is a technical revision. This edition includes the following significant technical changes with respect to the previous edition and its amendments:
    - updated EMC normative references and associated requirements,
    - new references to IEC 60947-1,
    - marking of electronic relays without thermal memory,
    - marking of tripping time at 0 °C ambient or below,
    - new test requirements for limits of operation of time-delay overload relays,
    - new classes of overload current withstand time,
    - damp heat, salt mist, vibration and shock tests,
    - short-circuit test in the smallest enclosure,
    - update of the routine and sampling tests.
    The contents of the corrigendum of July 2012 have been included in this copy.

    This publication is to be read in conjunction with IEC 60947-1:2007.

    General Product Information - (Show below) - (Hide below)

    Committee TC 121/SC 121A
    Development Note To be read in conjunction with IEC 60947-1. (05/2011) Stability Date: 2019. (09/2017)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    DIN EN 61800-9-2 : 2018-01 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-2: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS AND THEIR DRIVEN APPLICATIONS - ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS (IEC 61800-9-2:2017)
    CEI EN 60947-4-3 : 2015 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-3: CONTACTORS AND MOTOR-STARTERS - AC SEMICONDUCTOR CONTROLLERS AND CONTACTORS FOR NON-MOTOR LOADS
    BS EN 61800-9-1:2017 (published 2017-11) Adjustable speed electrical power drive systems Ecodesign for power drive systems, motor starters, power electronics and their driven applications. General requirements for setting energy efficiency standards for power driven equipment using the extended product approach (EPA) and semi analytic model (SAM)
    BS EN 62683-1 : 2017 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PRODUCT DATA AND PROPERTIES FOR INFORMATION EXCHANGE - PART 1: CATALOGUE DATA (IEC 62683-1:2017)
    BIS IS/IEC 60947-4-3 : 1999 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4: CONTACTORS AND MOTOR-STARTERS - SECTION 3: AC SEMICONDUCTOR CONTROLLERS AND CONTACTORS FOR NON-MOTOR LOADS
    03/108075 DC : DRAFT JUNE 2003 IEC 62314 ED.1.0 - SOLID-STATE RELAYS
    BS EN 60694 : 1997 COMMON SPECIFICATION FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    IEEE 3001.11 : 2017 APPLICATION OF CONTROLLERS AND AUTOMATION TO INDUSTRIAL AND COMMERCIAL POWER SYSTEMS
    EN 61800-9-2 : 2017 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-2: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS AND THEIR DRIVEN APPLICATIONS - ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS (IEC 61800-9-2:2017)
    I.S. EN 60694:1999 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    IEC TR 61912-2:2009 Low-voltage switchgear and controlgear - Over-current protective devices - Part 2: Selectivity under over-current conditions
    I.S. EN 62683-1:2017 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PRODUCT DATA AND PROPERTIES FOR INFORMATION EXCHANGE - PART 1: CATALOGUE DATA
    BS EN 60947-4-3 : 2014 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-3: CONTACTORS AND MOTOR-STARTERS - AC SEMICONDUCTOR CONTROLLERS AND CONTACTORS FOR NON-MOTOR LOADS
    EN 62271-1:2017 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: COMMON SPECIFICATIONS FOR ALTERNATING CURRENT SWITCHGEAR AND CONTROLGEAR (IEC 62271-1:2017)
    VDE 0160-109-2 : 2018-01 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-2: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS AND THEIR DRIVEN APPLICATIONS - ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS (IEC 61800-9-2:2017)
    IEC 62683-1:2017 Low-voltage switchgear and controlgear - Product data and properties for information exchange - Part 1: Catalogue data
    BS EN 62026-2:2013 Low-voltage switchgear and controlgear. Controller-device interfaces (CDIs) Actuator sensor interface (AS-i)
    BS EN 1398 : 2009 DOCK LEVELLERS - SAFETY REQUIREMENTS
    IEC 60694:1996+AMD1:2000+AMD2:2001 CSV Common specifications for high-voltage switchgear and controlgear standards
    EN 60947-6-1:2005/A1:2014 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 6-1: MULTIPLE FUNCTION EQUIPMENT - TRANSFER SWITCHING EQUIPMENT (IEC 60947-6-1:2005/A1:2013)
    EN 60947-4-3:2014 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-3: CONTACTORS AND MOTOR-STARTERS - AC SEMICONDUCTOR CONTROLLERS AND CONTACTORS FOR NON-MOTOR LOADS (IEC 60947-4-3:2014)
    EN 60694:1996/A2:2001 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    EN 60255-149 : 2013 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 149: FUNCTIONAL REQUIREMENTS FOR THERMAL ELECTRICAL RELAYS (IEC 60255-149:2013)
    EN 61915-2 : 2012 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - DEVICE PROFILES FOR NETWORKED INDUSTRIAL DEVICES - PART 2: ROOT DEVICE PROFILES FOR STARTERS AND SIMILAR EQUIPMENT (IEC 61915-2:2011)
    EN 62683:2015 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PRODUCT DATA AND PROPERTIES FOR INFORMATION EXCHANGE (IEC 62683:2015)
    04/30111859 DC : 0 IEC 62271-1 - HIGH-VOLTAGE SWITCHGEAR AND CONTROL GEAR - PART 1: COMMON SPECIFICATIONS
    I.S. EN 60255-149:2013 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 149: FUNCTIONAL REQUIREMENTS FOR THERMAL ELECTRICAL RELAYS (IEC 60255-149:2013 (EQV))
    I.S. EN 61800-9-1:2017 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-1: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS AND THEIR DRIVEN APPLICATIONS - GENERAL REQUIREMENTS FOR SETTING ENERGY EFFICIENCY STANDARDS FOR POWER DRIVEN EQUIPMENT USING THE EXTENDED PRODUCT APPROACH (EPA) AND SEMI ANALYTIC MODEL (SAM)
    EN 62683-1 : 2017 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PRODUCT DATA AND PROPERTIES FOR INFORMATION EXCHANGE - PART 1: CATALOGUE DATA (IEC 62683-1:2017)
    IEC 62026-2:2008 Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 2: Actuator sensor interface (AS-i)
    I.S. EN 62683:2015 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PRODUCT DATA AND PROPERTIES FOR INFORMATION EXCHANGE
    DIN EN 61800-9-1 : 2018-01 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-1: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS AND THEIR DRIVEN APPLICATIONS - GENERAL REQUIREMENTS FOR SETTING ENERGY EFFICIENCY STANDARDS FOR POWER DRIVEN EQUIPMENT USING THE EXTENDED PRODUCT APPROACH (EPA) AND SEMI ANALYTIC MODEL (SAM) (IEC 61800-9-1:2017)
    IEC 62091:2007 Low-voltage switchgear and controlgear - Controllers for drivers of stationary fire pumps
    IEC 62271-1:2017 High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear
    DIN EN 1398:2009-07 DOCK LEVELLERS - SAFETY REQUIREMENTS
    17/30370043 DC : 0 BS IEC 62026-2 AMD.1 ED.2.0 - LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (CDIS) - PART 2: ACTUATOR SENSOR INTERFACE (AS-I).
    IEC 60947-4-3:2014 Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads
    EN 60947-1:2007/A2:2014 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES (IEC 60947-1:2007/A2:2014)
    I.S. EN 1398:2009 DOCK LEVELLERS - SAFETY REQUIREMENTS
    15/30314548 DC : 0 BS EN 61800-9-2 - ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-2: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
    I.S. EN 62026-2:2013 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (CDIS) - PART 2: ACTUATOR SENSOR INTERFACE (AS-I) (IEC 62026-2:2008 (MOD))
    PD IEC/TR 61912-2:2009 (published 2009-05) Low-voltage switchgear and controlgear. Over-current protective devices Selectivity under over-current conditions
    11/30244275 DC : 0 BS EN 60255-149 - MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 149: FUNCTIONAL REQUIREMENTS FOR THERMAL PROTECTION
    18/30371712 DC (published 2018-01) BS EN 60947-6-1. Low-voltage switchgear and controlgear Part 6-1. Multiple function equipment. Transfer switching equipment
    BS EN 61915-2 : 2012 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - DEVICE PROFILES FOR NETWORKED INDUSTRIAL DEVICES - PART 2: ROOT DEVICE PROFILES FOR STARTERS AND SIMILAR EQUIPMENT
    15/30265353 DC : 0 BS EN 62271-1 ED 2 - HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: COMMON SPECIFICATIONS FOR ALTERNATING CURRENT SWITCHGEAR AND CONTROLGEAR
    BS EN 62271-1:2017 High-voltage switchgear and controlgear Common specifications for alternating current switchgear and controlgear
    UNE-EN 50598-1:2015 Ecodesign for power drive systems, motor starters, power electronics & their driven applications - Part 1: General requirements for setting energy efficiency standards for power driven equipment using the extended product approach (EPA), and semi analytic model (SAM)
    BIS IS/IEC 62271-1 : 2007 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: COMMON SPECIFICATIONS
    VDE 0160-109-1 : 2018-01 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-1: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS AND THEIR DRIVEN APPLICATIONS - GENERAL REQUIREMENTS FOR SETTING ENERGY EFFICIENCY STANDARDS FOR POWER DRIVEN EQUIPMENT USING THE EXTENDED PRODUCT APPROACH (EPA) AND SEMI ANALYTIC MODEL (SAM)
    IEC 61800-9-1:2017 Adjustable speed electrical power drive systems - Part 9-1: Ecodesign for power drive systems, motor starters, power electronics and their driven applications - General requirements for setting energy efficiency standards for power driven equipment using the extended product approach (EPA) and semi analytic model (SAM)
    CEI EN 62026-2 : 2013 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (CDIS) - PART 2: ACTUATOR SENSOR INTERFACE (AS-I)
    UNI EN 1398 : 2009 DOCK LEVELLERS - SAFETY REQUIREMENTS
    BS EN 61800-9-2:2017 (published 2017-12) Adjustable speed electrical power drive systems Ecodesign for power drive systems, motor starters, power electronics and their driven applications. Energy efficiency indicators for power drive systems and motor starters
    EN 61800-9-1 : 2017 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-1: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS AND THEIR DRIVEN APPLICATIONS - GENERAL REQUIREMENTS FOR SETTING ENERGY EFFICIENCY STANDARDS FOR POWER DRIVEN EQUIPMENT USING THE EXTENDED PRODUCT APPROACH (EPA) AND SEMI ANALYTIC MODEL (SAM) (IEC 61800-9-1:2017)
    BS EN 60947-1 : 2007 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES
    S.R. HD 60364-5-537:2016 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-53: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - DEVICES FOR PROTECTION, ISOLATION, SWITCHING, CONTROL AND MONITORING - CLAUSE 537: ISOLATION AND SWITCHING
    I.S. EN 60947-4-3:2014 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-3: CONTACTORS AND MOTOR-STARTERS - AC SEMICONDUCTOR CONTROLLERS AND CONTACTORS FOR NON-MOTOR LOADS
    04/30121678 DC : DRAFT AUG 2004
    13/30280187 DC : 0 BS EN 50598-2 - ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
    14/30303313 DC : 0 PD 5304 - GUIDANCE ON SAFE USE OF MACHINERY
    I.S. EN 50598-1:2014 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 1: GENERAL REQUIREMENTS FOR SETTING ENERGY EFFICIENCY STANDARDS FOR POWER DRIVEN EQUIPMENT USING THE EXTENDED PRODUCT APPROACH (EPA), AND SEMI ANALYTIC MODEL (SAM)
    UNE-EN 60947-4-3:2014 Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads
    PREN 50598-2 : DRAFT 2013 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
    I.S. EN 62271-1:2017 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: COMMON SPECIFICATIONS FOR ALTERNATING CURRENT SWITCHGEAR AND CONTROLGEAR
    EN 62026-2:2013 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (CDIS) - PART 2: ACTUATOR SENSOR INTERFACE (AS-I) (IEC 62026-2:2008, MODIFIED)
    IEC 61800-9-2:2017 Adjustable speed electrical power drive systems - Part 9-2: Ecodesign for power drive systems, motor starters, power electronics and their driven applications - Energy efficiency indicators for power drive systems and motor starters
    13/30292412 DC : 0 BS EN 62683 - PRODUCT DATA AND PROPERTIES FOR INFORMATION EXCHANGE
    IEC 61915-2:2011 Low-voltage switchgear and controlgear - Device profiles for networked industrial devices - Part 2: Root device profiles for starters and similar equipment
    IEC 60255-149:2013 Measuring relays and protection equipment - Part 149: Functional requirements for thermal electrical relays
    ISO 22734-2:2011 Hydrogen generators using water electrolysis process Part 2: Residential applications
    IEC 60947-1:2007+AMD1:2010+AMD2:2014 CSV Low-voltage switchgear and controlgear - Part 1: General rules
    IEC 60947-6-1:2005+AMD1:2013 CSV Low-voltage switchgear and controlgear - Part 6-1: Multiple functionequipment - Transfer switching equipment
    BS ISO 22734-2 : 2011 HYDROGEN GENERATORS USING WATER ELECTROLYSIS PROCESS - PART 2: RESIDENTIAL APPLICATIONS
    EN 1398:2009 Dock levellers - Safety requirements
    HD 60364-5-537:2016/A11:2017 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-53: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - DEVICES FOR PROTECTION, ISOLATION, SWITCHING, CONTROL AND MONITORING - CLAUSE 537: ISOLATION AND SWITCHING
    BS EN 60255-149 : 2013 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 149: FUNCTIONAL REQUIREMENTS FOR THERMAL ELECTRICAL RELAYS
    BS EN 50598-2 : 2014 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
    CEI EN 61915-2 : 2012 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - DEVICE PROFILES FOR NETWORKED INDUSTRIAL DEVICES - PART 2: ROOT DEVICE PROFILES FOR STARTERS AND SIMILAR EQUIPMENT
    I.S. EN 61915-2:2012 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - DEVICE PROFILES FOR NETWORKED INDUSTRIAL DEVICES - PART 2: ROOT DEVICE PROFILES FOR STARTERS AND SIMILAR EQUIPMENT (IEC 61915-2:2011 (EQV))
    BS EN 50598-1 : 2014 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 1: GENERAL REQUIREMENTS FOR SETTING ENERGY EFFICIENCY STANDARDS FOR POWER DRIVEN EQUIPMENT USING THE EXTENDED PRODUCT APPROACH (EPA), AND SEMI ANALYTIC MODEL (SAM)
    UNE-EN 50598-2:2015 Ecodesign for power drive systems, motor starters, power electronics & their driven applications - Part 2: Energy efficiency indicators for power drive systems and motor starters
    UNE-EN 62683:2016 Low-voltage switchgear and controlgear - Product data and properties for information exchange
    UNE-EN 60947-6-1:2006 Low-voltage switchgear and controlgear -- Part 6-1: Multiple function equipment - Transfer switching equipment (IEC 60947-6-1:2005)
    I.S. EN 61800-9-2:2017 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-2: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS AND THEIR DRIVEN APPLICATIONS - ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
    I.S. EN 60947-1:2007 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES
    CEI EN 60255-149 : 2014 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 149: FUNCTIONAL REQUIREMENTS FOR THERMAL ELECTRICAL RELAYS
    BS EN 60947-6-1 : 2005 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 6-1: MULTIPLE FUNCTION EQUIPMENT - TRANSFER SWITCHING EQUIPMENT
    I.S. EN 50598-2:2014 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
    BS EN 62683:2015 Low-voltage switchgear and controlgear. Product data and properties for information exchange
    BS ISO 22734-1 : 2008 HYDROGEN GENERATORS USING WATER ELECTROLYSIS PROCESS - PART 1: INDUSTRIAL AND COMMERCIAL APPLICATIONS
    ISO 22734-1:2008 Hydrogen generators using water electrolysis process Part 1: Industrial and commercial applications
    06/30148719 DC : DRAFT APR 2006 IEC 62026-2 ED.2 - LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (C DIS) - PART 2: ACTUATOR SENSOR INTERFACE (AS-I)
    UNE-ISO 22734-1:2012 Hydrogen generators using water electrolysis process. Part 1: Industrial and commercial applications
    EN 50598-2:2014/A1:2016 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS

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