Product Description: The Square D PGL36120U44A is a Molded Case Circuit Breaker from the Powerpact family. It features a 3-pole design with a 600V, 1200A rating and a 35kA@480V AIC rating. This breaker includes solid-state protection and a feed-thru connection. It supports wire sizes from 4 x AWG 3/0 to 500 kcmil for aluminum or copper.