BS 5311-4:1976
Date published:
Specification for a.c. circuit-breakers of rated voltage above 1 kV, Type tests and routine tests
Type tests including mechanical, temperature rise, dielectric and making and breaking tests. Routine tests include voltage, resistance of the main circuit and mechanical operating tests. Appendices include records and reports, determination of test quantities, examples of calculations and atmospheric correction factors.
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BS 5311-4:1976
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