Moulded Case Circuit Breaker dc circuit breaker ls circuit breaker
APPLICATION
BA57 series Moulded Case Circuit Breaker is applicable circuit of AC 50/60Hz, rated insulation voltage 690V, rated current 16-250A, for distribute energy of electricity & infrequent making
& breaking circuit in normal conditions, protecting when circuit is overloaded, short circuit. The
products conforms to IEC60947-2 standard.
SPECIFICATION
Type | BA57-31 | BA57-35 | BA57-39 | |
Poles number | 3 | 3 | 3 | |
Rated current In(A) | 16, 20, 32, 40, 50,63, 80, 100 | 16, 20, 32, 40, 50,63, 80,100, 160,200, 250 | 250,320,400,500,630 | |
Utilisation category | A | A | A | |
Ratedlimited short-circuit breaking capacitylcu(kA) at 415 | 100 | 100 | 100 |