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Homepage>BS 5424-3:1988 Specification for controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. Additional requirements for contactors subject to certification

BS 5424-3:1988

Specification for controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. Additional requirements for contactors subject to certification

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Označení normy:	BS 5424-3:1988
Počet stran:	24
Vydáno:	1988-02-29
ISBN:	0 580 16358 X
Status:	Standard

DESCRIPTION

BS 5424-3:1988

This standard BS 5424-3:1988 Specification for controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. is classified in these ICS categories:

29.130.20 Low voltage switchgear and controlgear

First paragraph

Replacement:

This standard applies to electro-magnetic air-break contactors in accordance with IEC Publication 158-1 for which additional requirements are necessary in order to specify in sufficient detail certain testing parameters and procedures.

Additional notes:

— The need for additional requirements appears, for example, when contactors have to be tested and certified by appropriate testing authorities because of national or other laws or rules.
— If control switches are incorporated in contactors they shall comply with I EC Publication 337-1: Control Switches (Low-voltage Switching Devices for Control and Auxiliary Circuits, Including Contactor Relays), Part 1: General Requirements.

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