Product Description: The Schneider Electric PLA34120U43AE1YP is a Molded Case Circuit Breaker from the Powerpact family. It features a 3-pole design with a 480V voltage rating and 1200A amperage capacity. This breaker has a 100kA@480V AIC rating and uses an I-Line Style Plug-In connection. It includes solid-state protection with LSI (Long-Time, Short-Time, and Instantaneous) functions.