UL489 Circuit Breaker 1-Pole, B Curve, 277VAC BreakerLSIS
UL489 circuit breakers are used for branch circuit protection.
The BK63HU series is available in 1, 2 or 3 pole, B, C or D trip curve and from 1 to 63 amp. These breakers have a 10kA breaking capacity.
12 Piece Minimum Order