Product Description: The Square D PXF36600Z is a Molded Case Circuit Breaker from the Micrologic family. This 3-pole breaker is rated for 600 amps and 600 volts, with an interrupting capacity of 100kA at 480V. It features solid-state protection with Long-Time, Short-Time, and Instantaneous (LSI) functions and a bolt-on connection for secure installation.