The QOB380 Square D Bolt-On Circuit Breaker is a 3-pole, 80A, 240VAC circuit breaker with overload protection. It has a Type K tripping characteristic and operates at 120/240 Vac. The circuit breaker is designed for interior use with a control style of a switch and operating temperature of 40°C. It is made of ABS/plastic material and has a bolt-on mounting style. This miniature circuit breaker is suitable for any room and offers instantaneous break time with an IP40 rating. Square D is a trusted brand known for electrical equipment and supplies in the United States.