Product Description: The Square D PJL36100U44A is a Molded Case Circuit Breaker from the Powerpact family. It features a 3-pole design with a 600V, 1000A rating and an AIC rating of 65kA@480V. This breaker includes solid-state protection and uses a feed-thru connection. It supports wire sizes from 4 x AWG 3/0 to 500 kcmil for aluminum or copper.