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IEC 60947-6-2 : 2.1

IEC 60947-6-2 : 2.1

LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 6-2: MULTIPLE FUNCTION EQUIPMENT - CONTROL AND PROTECTIVE SWITCHING DEVICES (OR EQUIPMENT) (CPS)

International Electrotechnical Committee

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Table of Contents

FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 Definitions
  3.1 Control and protective switching device (or
      equipment) (CPS)
  3.2 CPS suitable for isolation
  3.3 CPS for motor control and protection
      3.3.1 Direct-on-line CPS
      3.3.2 Reversing CPS
      3.3.3 Two-direction CPS
  3.4 Opening time
  3.5 Phase loss sensitive relay or release (for motor
      protection)
4 Classification
5 Characteristics
  5.1 Summary of characteristics
  5.2 Type of CPS
      5.2.1 Number of poles
      5.2.2 Kind of current (a.c. or d.c.)
      5.2.3 Method of operation
      5.2.4 Method of control
      5.2.5 Method of resetting after overload
      5.2.6 Method of rearming after short-circuit
  5.3 Rated and limiting values of the main circuit
      5.3.1 Rated voltages
      5.3.2 Currents and powers
      5.3.3 Rated frequency
      5.3.4 Rated duties
      5.3.5 Normal load and overload characteristics
      5.3.6 Short circuit characteristics
  5.4 Utilization categories
      5.4.1 Standard utilization categories
      5.4.2 Assignment of utilization categories based
             on the results of tests
      5.4.3 Application of utilization categories for
             motor control duty
  5.5 Control circuits
  5.6 Auxiliary circuits
  5.7 Relays or releases
      5.7.1 Types of relays or releases
      5.7.2 Characteristic values
      5.7.3 Designation and current setting of overload
             relays or releases
      5.7.4 Time current characteristics of over current
             relays or releases
      5.7.5 Influence of ambient air temperature
6 Product information
  6.1 Nature of information
      6.1.1 Identification
      6.1.2 Characteristics
  6.2 Marking
  6.3 Instructions for installation, operation and
      maintenance
7 Normal service, mounting and transport conditions
8 Constructional and performance requirements
  8.1 Constructional requirements
      8.1.1 Materials
      8.1.2 Current-carrying parts and their connections
      8.1.3 Clearances and creepage distances
      8.1.4 Actuator
      8.1.5 Indication of the contact position
      8.1.6 Additional safety requirements for CPS's
             suitable for isolation
      8.1.7 Terminals
      8.1.8 Additional requirements for CPS's provided
             with a neutral pole
      8.1.9 Provisions for protective earthing
      8.1.10 Enclosures for CPS's
  8.2 Performance requirements
      8.2.1 Operating conditions
      8.2.2 Temperature rise
      8.2.3 Dielectric properties
      8.2.4 Performance under no load, normal load and
             overload conditions
      8.2.5 Ability to make, carry and break short-circuit
             currents
  8.3 Electromagnetic compatibility (EMC)
      8.3.1 General
      8.3.2 Immunity
      8.3.3 Emission
9 Tests
  9.1 Kind of tests
      9.1.1 General
      9.1.2 Type test
      9.1.3 Routine tests
      9.1.4 Sampling tests
      9.1.5 Special tests
  9.2 Compliance with constructional requirements
  9.3 Compliance with performance requirements
      9.3.1 Test sequences
      9.3.2 General test conditions
      9.3.3 Performance under no load, normal load and
             overload conditions
      9.3.4 Performance under short-circuit conditions
      9.3.5 EMC tests
  9.4 Test sequences
      9.4.1 Test Sequence I: Temperature-rise, operating
             limits, dielectric properties
      9.4.2 Test Sequence II: Performance under normal load
             and overload conditions
      9.4.3 Test sequence III: Operational performance before
             and after operating sequences at I[cr] and 'r'
             current test
      9.4.4 Test Sequence IV: Operational performance before
             and after operating sequences at I[cs]
      9.4.5 Test Sequence V: Additional breaking capacity
      9.4.6 Test Sequence VI: Additional test sequence for
             four-pole CPS's
      9.4.7 Test Sequence VII: Additional test sequence for
             CPS's intended for use in an individual enclosure
      9.4.8 Test sequence VIII: EMC
  9.5 Routine tests
      9.5.1 General
      9.5.2 Operation and operating limits
      9.5.3 Dielectric tests
Annex A (normative) Special tests
Annex C (normative) Marking and identification of CPS
        terminals
Annex D (informative) Items subject to agreement between
        manufacturer and user
Annex E (informative) Examples of control circuit
        configurations
Annex F (normative) Coordination under short-circuit
        conditions between a CPS and another short-circuit
        protective device associated in the same circuit
Annex G (normative) Test sequence for CPSs for IT systems
Annex H (normative) Extended functions within electronic
        overload relays or releases

Abstract

Applicable to control and protective switching devices (or equipment) (CPS), the main contacts of which are intended to be connected to circuits of rated voltage not exceeding 1000 V a.c. or 1500 V d.c.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 17

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