Std

BS 764:1954

Specification. Automatic change-over contactors for emergency lighting systems

standard by BSI Group , 06/12/1974

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Full Description

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.

All current amendments available at time of purchase are included with the purchase of this document.
 

Product Details

Published:
06/12/1974
ISBN(s):
0580012018
Product Code(s):
10016222
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. BS 764:1990


    Specification for automatic change-over contactors for emergency lighting systems

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  2. BS 764:1954

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    Specification. Automatic change-over contactors for emergency lighting systems

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