BS 764:1954
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification. Automatic change-over contactors for emergency lighting systems
Available format(s)
Hardcopy
Language(s)
English
Published date
12-06-1974
Publisher
Superseded date
31-05-1990
Superseded by
€263.42
Excluding VAT
Contactors which automatically transfer circuits from the normal source of supply to an alternative source when the normal source fails; reconnection is automatic when normal conditions are restored. Performance and constructional details of double-pole contactors for low voltages; range of standard current ratings.
| Committee |
PEL/17
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS CP1007(1955) : 1955 | MAINTAINED LIGHTING FOR CINEMAS |
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