Square-D / Schneider - Square D QOB340 Miniature Circuit Breaker 40A 240V 3Ph , Bolt-On

QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an overcenter, trip-free toggle mechanism with quick-make, quickbreak action and positive handle indication They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. This 3 pole QOB bolt on circuit breaker with common trip is rated 40 A at 240 VAC. This unit provides 10 kA breaking capacity. A full line of factory installed accessories is also available such as shunt trips, auxiliary switches and alarm switches. QO breakers use a compact 3/4 inch width design for small system footprint. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555 Compatible Products: NQ442L2C; QO1HT; QO1PL; QO70AN; QON3BRT; NQ430L2C; QON3B; QOTHT; NQ430L1C; QO1PJ15; QO3HT; HLO1; NQ42L2C; QOFSHALB12; NQ442L4C; QOHPL; NQ442L2; NQ418L1C; QO1HPL; NQ454L2C; QO1PA; NQ30L2C; QO2PAF; NQ18L1C; QO2125SL; NQ430L2; QO2DTI; QO2DTIM; QON2L70; QOMB1; SN12125