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>BSI Standards >29 ELECTRICAL ENGINEERING>29.120 Electrical accessories>29.120.50 Fuses and other overcurrent protection devices>BS 5311-4:1976 Specification for a.c. circuit-breakers of rated voltage above 1 kV Type tests and routine tests
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immediate downloadReleased: 1980-11-28
BS 5311-4:1976 Specification for a.c. circuit-breakers of rated voltage above 1 kV Type tests and routine tests

BS 5311-4:1976

Specification for a.c. circuit-breakers of rated voltage above 1 kV Type tests and routine tests

CURRENCY
249.6 EUR
Standard number:BS 5311-4:1976
Released:1980-11-28
ISBN:0 580 08899 5
Status:Standard
DESCRIPTION

BS 5311-4:1976


This standard BS 5311-4:1976 Specification for a.c. circuit-breakers of rated voltage above 1 kV is classified in these ICS categories:
  • 29.120.50 Fuses and other overcurrent protection devices

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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