Product Description: The Square D PLA34100 is a Molded Case Circuit Breaker from the Powerpact family. It features a 3-pole design, 480V voltage rating, and 1000A amperage capacity with a 100kA@480V AIC rating. This breaker uses an I-Line Style Plug-In connection and includes solid-state protection. It is UL, CSA, and CE certified for reliable performance.