The Powerpact J-Frame Circuit Breaker Accessory, LV429439, offers proven performance, flexibility and reliability. It utilizes the sensors and processing capacity of the Micrologic trip unit. It is easy to use and does not require any special software or settings. It is immediately operational when connected to the circuit breaker via a ULP cable. It also allows monitoring and control using the I/O Application Module, Motor Mechanism Module or Circuit Breaker Communication Module.