The SQUARE D HGA36150 I-Line Circuit Breaker is a reliable and efficient electrical component designed for interior use. With a maximum amperage of 150A and a voltage rating of 301-600V, this 3 pole circuit breaker offers both protection and functionality. Its plug-in mounting style and box lug electrical connection make installation quick and easy. Additionally, its overload protection feature ensures that the circuit breaker trips in case of overloads, preventing potential electrical hazards. Overall, this Square D circuit breaker is a dependable choice for branch circuit applications.