The GE THQB32040ST1 is a 40A 3 pole 240V shunt trip circuit breaker with a maximum amperage of 40A. It features a plug-in mounting style and is made of ABS/plastic material in a black color. This tandem breaker is suitable for interior use and has a trip indicator for easy operation. With a Type D tripping characteristic and a triple pole single throw contact configuration, this circuit breaker is designed for electrical wiring applications in the United States.