Product Description: The Square D PGL36120U41A 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 uses a Feed-Thru connection and includes Solid State protection. It is compatible with 4 x AWG 3/0...500 kcmil aluminum/copper wiring.