ENA TS 37-3 PT1 : ISSUE 1 1981
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
AC METAL-ENCLOSED SWITCHGEAR AND CONTROLGEAR OF RATED VOLTAGES 3.6 KV AND 12 KV; PART 1: CIRCUIT-BREAKER EQUIPMENT (AIR-BREAK)
23-07-2013
12-01-2013
Specifies the design, rating and testing of indoor type, metal clad switchgear and controlgear incorporating circuit breakers on 3.3 kV and 11 kV, 3 phase, 50 Hz systems having the neutral point earthed solidly or through a resistor and/or inductor.
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