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CSA - CAN/CSA-C22.2 NO. 60947-4-1-07

Low-Voltage Switchgear and Controlgear — Part 4-1: Contactors and motor-starters — Electromechanical contactors and motor-starters

inactive
Organization: CSA
Publication Date: 26 January 2007
Status: inactive
Page Count: 220
scope:

Scope and object

This part of IEC 60947 applies to the types of equipment listed in 1.1 and 1.2 whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c.

Starters and/or contactors dealt with in this standard are not normally designed to interrupt short-circuit currents. Therefore, suitable short-circuit protection (see 9.3.4) shall form part of the installation but not necessarily of the contactor or the starter.

In this context, this standard gives requirements for:

- contactors associated with overload and/or short-circuit protective devices;

- starters associated with separate short-circuit protective devices and/or with separate shortcircuit and integrated overload protective devices;

- contactors or starters combined, under specified conditions, with their own short-circuit protective devices. Such combinations, e.g. combination starters (see 3.2.7) or protected starters (see 3.2.8) are rated as units.

Circuit-breakers and fuse-combination units used as short-circuit protective devices in combination starters and in protected starters shall comply with the requirements of IEC 60947-2 and IEC 60947-3, as the case may be.

Document History

January 1, 2022
Low-voltage switchgear and controlgear — Part 4-1: Contactors and motor-starters — Electromechanical contactors and motor-starters
This part of IEC 60947 applies to the types of equipment listed in 1.1.1 and 1.1.2 whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1 000 V a.c....
January 1, 2014
Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
This part of IEC 60947 applies to the types of equipment listed in 1.1.1 and 1.1.2 whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1 000 V a.c....
Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
This part of IEC 60947 applies to the types of equipment listed in 1.1.1 and 1.1.2 whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1 000 V a.c....
Low-Voltage Switchgear and Controlgear — Part 4-1: Contactors and motor-starters — Electromechanical contactors and motor-starters
Scope and object This part of IEC 60947 applies to the types of equipment listed in 1.1 and 1.2 whose main contacts are intended to be connected to circuits the rated voltage of which does not...
CAN/CSA-C22.2 NO. 60947-4-1-07
January 26, 2007
Low-Voltage Switchgear and Controlgear — Part 4-1: Contactors and motor-starters — Electromechanical contactors and motor-starters
Scope and object This part of IEC 60947 applies to the types of equipment listed in 1.1 and 1.2 whose main contacts are intended to be connected to circuits the rated voltage of which does not...
Low-Voltage Switchgear and Controlgear — Part 4-1: Contactors and motor-starters — Electromechanical contactors and motor-starters
This part of IEC 60947 applies to the types of equipment listed in 1.1 and 1.2 whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1 000 V a.c. or...
Low-Voltage Switchgear and Controlgear — Part 4-1: Contactors and motor-starters — Electromechanical contactors and motor-starters
This part of IEC 60947 applies to the types of equipment listed in 1.1.1 and 1.1.2 whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1 000 V a.c....

References

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