Requirements for rating, design, construction and testing of residual current operated circuit breakers having a rated voltage not exceeding 660 V, a rated current not exceeding 125 A and a rated frequency not exceeding 400 Hz. Includes circuit breakers utilizing auxiliary sources and circuit breakers with electronic circuitry.
Số hiệu tiêu chuẩn
BS 4293:1983
Tên tiêu chuẩn
Specification for residual current-operated circuit-breakers
Ngày phát hành
1983-07-29
Tiêu chuẩn tương đương
IEC 60755 NEQ
Tiêu chuẩn liên quan
BS 5419
Thay thế cho
BS 4293:1968
Từ khóa
Circuit-breakers * Electrical protection equipment * Earthing * Rated voltage * Rated current * Marking * Temperature rise * Test equipment * Electric terminals * Type testing * Electrical testing * Endurance testing * Earth-leakage circuit-breakers * High-voltage tests
BS 4293:1983
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