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 upto 14 AWG (2.5 mm2).