BS 4794-2.1(1977) : 1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SPECIFICATION FOR CONTROL SWITCHES SWITCHING DEVICES INCLUDING CONTACTOR RELAYS FOR CONTROL & AUXILIARY CIRCUITS FOR VOLTAGES UP TO & INCLUDING 1000 V A.C. AND 1200 V D.C.
Hardcopy , PDF
31-08-1992
English
01-01-1977
Applies to push-buttons and related control switches such as foot-switches, rotary switches, etc., using contact elements like those of push-buttons. Provides additional requirements, not covered by IEC Publication 337-1, Control Switches, Part 1: General Requirements. Includes definitions and terms useful in stating desired properties of design or performance.
| Committee |
PEL/10
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| BS 6520:1984 | Specification for low voltage switchgear and controlgear for industrial use. Control switches. Position switches 30 x 55. Dimensions and characteristics |
| BS 6518:1984 | Specification for low voltage switchgear and controlgear for industrial use. Control switches. Position switches 42.5 x 80. Dimensions and characteristics |
| BS 7262:1990 | Specification for automatic safe load indicators |
| IEC 60144:1963 | Degrees of protection of enclosures for low-voltage switchgear and controlgear |
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