AS/NZS IEC 60947.6.2:2015
Low-voltage switchgear and controlgear - Part 6.2: Multiple function equipment - Control and protective switching devices (or equipment) (CPS)
Applies 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 1 000 V a.c. or 1 500 V d.c. CPSs are intended to provide both protective and control functions for circuits and are operated otherwise than by hand. They may also fulfill additional functions, such as isolation. The standard states the characteristics of CPSs, and the conditions with which CPSs shall comply with reference to their operation and behaviour, their dielectric properties, and the degree of protection provided by their enclosure where applicable. It also states the tests intended to verify that these conditions have been met, the methods to be adopted for these tests, and the information to be marked on or given with the CPSs. Identical to and reproduced from IEC 60947-6-2, Ed. 2.1 (2007).
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AS/NZS IEC 60947.6.2:2015
COPYRIGHT
PREFACE
Contents
INTRODUCTION
1 Scope and object
2 Normative references
3 Definitions
4 Classification
5 Characteristics
5.1 Summary of characteristics
5.2 Type of CPS
5.3 Rated and limiting values of the main circuit
5.4 Utilization categories
5.5 Control circuits
5.6 Auxiliary circuits
5.7 Relays or releases
5.8 Switching overvoltages
6 Product information
6.1 Nature of information
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
8.2 Performance requirements
8.3 Electromagnetic compatibility (EMC)
9 Tests
9.1 Kind of tests
9.2 Compliance with constructional requirements
9.3 Compliance with performance requirements
9.4 Test sequences
9.5 Routine tests
Annex A(normative)Special tests
A.1 General
A.2 Mechanical durability
A.3 Electrical durability
Annex B
Annex C(normative)Marking and identification of CPS terminals
C.1 General
C.2 Marking and identification of terminals of CPS's
Annex D(informative)Items subject to agreement between manufacturer and user
Annex E(informative)Examples of control circuit configurations
E.1 External control device (ECD)
E.2 Control circuit configurations
Annex F(normative)Coordination under short-circuit conditions between a CPS and anothershort-circuit protective device associated in the same circuit
F.1 Introduction
F.2 Scope and object
F.3 General requirements for the coordination of a CPS with another SCPD
F.4 Type and characteristics of the associated SCPD
F.5 Verification of discrimination
F.6 Verification of back-up protection
Annex G(normative)Test sequence for CPSs for IT systems
G.1 General
G.2 Individual pole short circuit
G.3 Verification of dielectric withstand
G.4 Verification of overload releases
G.5 Marking
Annex H(normative)Extended functions within electronic overload relays or releases
H.1 Scope
H.2 Definitions
H.3 Classification of electronic overload relays
H.4 Type of relays
H.5 Performance requirements
H.6 Tests
H.7 Routine and sampling tests
Table
Table 1 – Utilization categories
Table 2 – Limits of operation of inverse time-delay overload relays or releases whenenergized on all poles
Table 3 – Trip classes of overload relays or releases for utilizationcategories AC-42, AC-43, AC-44, DC-43, DC-45
Table 4 – Limits of operation of three-pole inverse time-delay overload relaysor releases when energized on two poles only
Table 5 – Temperature rise limits of terminals
Table 6 – Temperature-rise limits of accessible parts
Table 7 – Temperature-rise limits for insulated coils in air
Table 8 – Intermittent duty test cycle data
Table 9 – Rated making and breaking capacities – Making and breaking conditionscorresponding to the utilization categories
Table 10 – Relationship between current broken Ic and OFF time forthe verification of rated making and breaking capacities
Table 11 – Conventional operational performance after making/breaking capacity tests
Table 12 – Operational performance before and after short-circuit tests at Icr and Ics
Table 13 – Prospective conventional test current Icr and "r" current (Ir)as a function of the maximum Ie for a given construction
Table 14 – Acceptance criteria when EM disturbances are present
Table 15 – Test parameters for current dips and interruptions
Table 16 – Test sequences
Table G.1 – Individual pole
Table H.1 – Operating time of residual current electronic overload relays
Figure
Figure 1 – Multiple of current setting limits for ambient air temperature time-delayoverload relays or releases (see 8.2.1.5.1)
Figure 2 – EUT mounted in metallic enclosure –Two-phase poles in series configuration
Figure 2a – Elevation
Figure 2b – Sections A-A and B-B
Figure 3 – EUT mounted in metallic enclosure –Three-phase poles in series configuration
Figure 3a – Elevation
Figure 3b – Sections A-A and B-B
Figure 4 – EUT mounted in metallic enclosure –Three-phase configuration
Figure 4a – Elevation
Figure 4b – Sections A-A and B-B
Figure 5 – Test circuit for emission tests, immunity to harmonics, current dips,electrostatic discharges and radiated electromagnetic fields –Two-phase poles in series configuration
Figure 6 – Test circuit for emission tests, immunity to harmonics, current dips,electrostatic discharges and radiated electromagnetic fields –Three-phase poles in series configuration
Figure 7 – Test circuit for emission tests, immunity to harmonics, current dips,electrostatic discharges and radiated electromagnetic fields –Three-phase configuration
Figure 8 – Test set-up for the verification of immunity to electrostatic discharges
Figure 9 – Test set-up for immunity to radiated electromagnetic fields
Figure 10 – Test set-up for conducted disturbances inducedby radio-frequency fields (common mode) –Two-phase poles in series configuration
Figure 11 – Test set-up for conducted disturbances inducedby radio-frequency fields (common mode) –Three-phase poles in series configuration
Figure 12 – Test set-up for conducted disturbances inducedby radio-frequency fields (common mode) –Three-phase configuration
Figure 13 – Circuit for electrical fast transients/bursts (EFT/B) immunity test –Two-phase poles in series configuration
Figure 14 – Circuit for electrical fast transients/bursts (EFT/B) immunity test –Three-phase poles in series configuration
Figure 15 – Circuit for electrical fast transients/bursts (EFT/B) immunity test –Three-phase configuration
Figure 16 – Test set-up for electrical fast transients/bursts (EFT/B) immunity test
Figure 17 – Test circuit for the verification of the influenceof surges in the main circuit (line-to-earth) –Two-phase poles configuration
Figure 18 – Test circuit for the verification of the influence of current surgesin the main circuit – Two-phase poles configuration
Figure 19 – Test circuit for the verification of the influenceof surges in the main circuit (line-to-earth) –Three-phase poles in series configuration
Figure 20 – Test circuit for the verification of the influence of current surgesin the main circuit – Three-phase poles in series configuration
Figure 21 – Test circuit for the verification of the influenceof surges in the main circuit (line to earth) –Three-phase configuration
Figure 22 – Test circuit for the verification of the influence of current surgesin the main circuit – Three-phase configuration
Figure 23 – Representation of test current produced by back-to-back thyristors
Figure 24 – Test current for the verification of the influenceof the current dips and interruptions
Figure 25 – Radiated emission test set-up
Figure 26 – Thermal memory test
Figure F.1 – Over-current coordination between a CPS and a fuse or back-up protectionby a fuse: operating characteristics
Figure F.2 – Total discrimination betweenCPSs and circuit-breakers – Case 1
Figure F.3 – Total discrimination betweenCPSs and circuit-breakers – Case 2
Figure F.4 – Back-up protectionby a CPS/circuit-breaker –Operating characteristics – Case 1
Figure F.5 – Back-up protectionby a CPS/circuit-breaker –Operating characteristics – Case 2
Figure F.6 – Example of test circuit for conditional short-circuit breaking capacitytests showing cable connections for a 3-pole CPS (C1)
Figure H.1 – Test circuit for the verification of the operating characteristicof a residual current electronic overload relay
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AS/NZS IEC 60947.6.2:2015
COPYRIGHT
PREFACE
Contents
INTRODUCTION
1 Scope and object
2 Normative references
3 Definitions
4 Classification
5 Characteristics
5.1 Summary of characteristics
5.2 Type of CPS
5.3 Rated and limiting values of the main circuit
5.4 Utilization categories
5.5 Control circuits
5.6 Auxiliary circuits
5.7 Relays or releases
5.8 Switching overvoltages
6 Product information
6.1 Nature of information
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
8.2 Performance requirements
8.3 Electromagnetic compatibility (EMC)
9 Tests
9.1 Kind of tests
9.2 Compliance with constructional requirements
9.3 Compliance with performance requirements
9.4 Test sequences
9.5 Routine tests
Annex A(normative)Special tests
A.1 General
A.2 Mechanical durability
A.3 Electrical durability
Annex B
Annex C(normative)Marking and identification of CPS terminals
C.1 General
C.2 Marking and identification of terminals of CPS's
Annex D(informative)Items subject to agreement between manufacturer and user
Annex E(informative)Examples of control circuit configurations
E.1 External control device (ECD)
E.2 Control circuit configurations
Annex F(normative)Coordination under short-circuit conditions between a CPS and anothershort-circuit protective device associated in the same circuit
F.1 Introduction
F.2 Scope and object
F.3 General requirements for the coordination of a CPS with another SCPD
F.4 Type and characteristics of the associated SCPD
F.5 Verification of discrimination
F.6 Verification of back-up protection
Annex G(normative)Test sequence for CPSs for IT systems
G.1 General
G.2 Individual pole short circuit
G.3 Verification of dielectric withstand
G.4 Verification of overload releases
G.5 Marking
Annex H(normative)Extended functions within electronic overload relays or releases
H.1 Scope
H.2 Definitions
H.3 Classification of electronic overload relays
H.4 Type of relays
H.5 Performance requirements
H.6 Tests
H.7 Routine and sampling tests
Table
Table 1 – Utilization categories
Table 2 – Limits of operation of inverse time-delay overload relays or releases whenenergized on all poles
Table 3 – Trip classes of overload relays or releases for utilizationcategories AC-42, AC-43, AC-44, DC-43, DC-45
Table 4 – Limits of operation of three-pole inverse time-delay overload relaysor releases when energized on two poles only
Table 5 – Temperature rise limits of terminals
Table 6 – Temperature-rise limits of accessible parts
Table 7 – Temperature-rise limits for insulated coils in air
Table 8 – Intermittent duty test cycle data
Table 9 – Rated making and breaking capacities – Making and breaking conditionscorresponding to the utilization categories
Table 10 – Relationship between current broken Ic and OFF time forthe verification of rated making and breaking capacities
Table 11 – Conventional operational performance after making/breaking capacity tests
Table 12 – Operational performance before and after short-circuit tests at Icr and Ics
Table 13 – Prospective conventional test current Icr and "r" current (Ir)as a function of the maximum Ie for a given construction
Table 14 – Acceptance criteria when EM disturbances are present
Table 15 – Test parameters for current dips and interruptions
Table 16 – Test sequences
Table G.1 – Individual pole
Table H.1 – Operating time of residual current electronic overload relays
Figure
Figure 1 – Multiple of current setting limits for ambient air temperature time-delayoverload relays or releases (see 8.2.1.5.1)
Figure 2 – EUT mounted in metallic enclosure –Two-phase poles in series configuration
Figure 2a – Elevation
Figure 2b – Sections A-A and B-B
Figure 3 – EUT mounted in metallic enclosure –Three-phase poles in series configuration
Figure 3a – Elevation
Figure 3b – Sections A-A and B-B
Figure 4 – EUT mounted in metallic enclosure –Three-phase configuration
Figure 4a – Elevation
Figure 4b – Sections A-A and B-B
Figure 5 – Test circuit for emission tests, immunity to harmonics, current dips,electrostatic discharges and radiated electromagnetic fields –Two-phase poles in series configuration
Figure 6 – Test circuit for emission tests, immunity to harmonics, current dips,electrostatic discharges and radiated electromagnetic fields –Three-phase poles in series configuration
Figure 7 – Test circuit for emission tests, immunity to harmonics, current dips,electrostatic discharges and radiated electromagnetic fields –Three-phase configuration
Figure 8 – Test set-up for the verification of immunity to electrostatic discharges
Figure 9 – Test set-up for immunity to radiated electromagnetic fields
Figure 10 – Test set-up for conducted disturbances inducedby radio-frequency fields (common mode) –Two-phase poles in series configuration
Figure 11 – Test set-up for conducted disturbances inducedby radio-frequency fields (common mode) –Three-phase poles in series configuration
Figure 12 – Test set-up for conducted disturbances inducedby radio-frequency fields (common mode) –Three-phase configuration
Figure 13 – Circuit for electrical fast transients/bursts (EFT/B) immunity test –Two-phase poles in series configuration
Figure 14 – Circuit for electrical fast transients/bursts (EFT/B) immunity test –Three-phase poles in series configuration
Figure 15 – Circuit for electrical fast transients/bursts (EFT/B) immunity test –Three-phase configuration
Figure 16 – Test set-up for electrical fast transients/bursts (EFT/B) immunity test
Figure 17 – Test circuit for the verification of the influenceof surges in the main circuit (line-to-earth) –Two-phase poles configuration
Figure 18 – Test circuit for the verification of the influence of current surgesin the main circuit – Two-phase poles configuration
Figure 19 – Test circuit for the verification of the influenceof surges in the main circuit (line-to-earth) –Three-phase poles in series configuration
Figure 20 – Test circuit for the verification of the influence of current surgesin the main circuit – Three-phase poles in series configuration
Figure 21 – Test circuit for the verification of the influenceof surges in the main circuit (line to earth) –Three-phase configuration
Figure 22 – Test circuit for the verification of the influence of current surgesin the main circuit – Three-phase configuration
Figure 23 – Representation of test current produced by back-to-back thyristors
Figure 24 – Test current for the verification of the influenceof the current dips and interruptions
Figure 25 – Radiated emission test set-up
Figure 26 – Thermal memory test
Figure F.1 – Over-current coordination between a CPS and a fuse or back-up protectionby a fuse: operating characteristics
Figure F.2 – Total discrimination betweenCPSs and circuit-breakers – Case 1
Figure F.3 – Total discrimination betweenCPSs and circuit-breakers – Case 2
Figure F.4 – Back-up protectionby a CPS/circuit-breaker –Operating characteristics – Case 1
Figure F.5 – Back-up protectionby a CPS/circuit-breaker –Operating characteristics – Case 2
Figure F.6 – Example of test circuit for conditional short-circuit breaking capacitytests showing cable connections for a 3-pole CPS (C1)
Figure H.1 – Test circuit for the verification of the operating characteristicof a residual current electronic overload relay
AS/NZS IEC 60947.6.2:2015
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.