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BS 764:1990
Current
The latest, up-to-date edition.
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Specification for automatic change-over contactors for emergency lighting systems
Hardcopy , PDF
English
31-05-1990
Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Characteristics
4 Design, construction and marking
5 Tests
Appendices
A Methods for measurement of temperature
B Information to be supplied to the manufacturer with
enquiry and/or order
Tables
1 Minimum contact force
2 Limits of temperature rise for contacts and
conductors
3 Limits of temperature rise for coils
Figure
1 Diagram of typical circuit for test for making and
breaking capacity
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