BS-764 › Specification for automatic change-over contactors for emergency lighting systems
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Specification for automatic change-over contactors for emergency lighting systems
Keywords
Emergency lighting;Breaking capacity;Direct current;Performance;Making capacity;Switchgear;Marking;Electrical testing;Force;Instructions for use;Temperature-rise limit;Relays;Temperature measurement;Switches;Lighting systems;Low-voltage equipment;Type testing;High-voltage tests;Electric contacts;Rated current;Contactors;Single-phase current
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Document Number
BS 764:1990
Revision Level
1990 EDITION
Status
Current
Publication Date
May 31, 1990
Replaces
BS 764:1954
Page Count
14
ISBN
0580179958
Committee Number
PEL/121/1