This Square D QO2100NRBCP Main Breaker is a durable multipurpose tool that will make your electrical installations a breeze. With 2 poles and 1 circuit, this breaker is designed for branch circuit applications. The material is aluminized steel, which guarantees durability and dependability for exterior use. This breaker has a maximum amperage of 100 A and a current rating of 100 A. It includes phase control features and is operated using direct on/off method. It is supplied with an AC current type and has a tripping characteristics of type B. It has a mounting style of wall or surface and comes with box lug electrical connections.