PowerPact J-Frame accessory circuits exit the circuit breaker using one to three secondary disconnecting blocks (nine wires each). Circuit breaker connection wires for the options installed with trip unit exit through the automatic secondary disconnecting blocks. These are made up of A moving part connected to the circuit breaker through a support (one support per circuit breaker), A fixed part mounted on the plug-in base, equipped with connectors for wire up to 14 AWG (2.5 mm2). The PowerPact Advantage. Proven Performance, Industry-leading circuit breaker innovation and protection for heavy-duty commercial and industrial applications. Smart, Integrated metering options provide a cost-effective solution to reduce energy consumption, optimize energy costs, and improve energy availability for your facilities. Flexible, Full range of thermal-magnetic and electronic trip molded case circuit breakers from 15 A to 3000 A, delivering the ratings, configurations, and operators for your unique applications. Simple, Common catalog numbers, standardized ratings, and a full range of field-installable accessories make product selection, installation and maintenance easier than ever. Common Design Features, Mounting holes, door trim, and handle accessories.