Square-D / Schneider - Square D QO340 Miniature Circuit Breaker 40A 240V 3Ph , Plug-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 QO standard plug 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: QO1HT; QO24L70RB; QO1816M200FTRB; QO1PL; QO816L100RB; QOTHT; QO3HT; QO612L100RB; HLO1; QO612L100TRB; QOHPL; QO1HPL; QO1PA; QO2PAF; QO2125SL; QO2DTI; QO2DTIM; QON2L70; QOMB1; SN12125