Product Description: The Square D PXF36700LSIZ is a Molded Case Circuit Breaker from the Micrologic family. This 3-pole breaker is rated for 700 amps at 600 volts and features a 100kA@480V interrupting capacity. It utilizes a bolt-on connection and provides solid state protection with LSI (Long-Time, Short-Time, Instantaneous) functions.