QOB260 Bolt On Branch Circuit Breakers By Square D This 2 pole QOB bolt on circuit breaker with common trip is rated as 60 A, 120/240 VAC. The QOB260 by Square D is a dual pole, 60 amp bolt-on circuit breaker designed for 120/240V applications. Ideal for residential and commercial use, this breaker ensures reliable protection for your electrical systems QOB260 - Mini circuit breaker, QO, 60A, 2 pole, 120/240VAC, 10kA, bolt on | Schneider Electric USA QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555 Square D QOB260 60 AMP 2 Pole Bolt On used as is Square D Used NEW Square D QOB260 Bolt-on Circuit Breaker 60A 2Pole 120/240V 50/60Hz. 5.06 product ratings This unit provides 10 kA breaking capacity.