The Square D MGP26600SA is a PowerPact M unit-mount circuit breaker with an electronic trip unit rated 600 A, 2-pole, 18 kA interrupting at 600 VAC, and includes a 120 V shunt trip and lugs-off-end termination.
This part is classified as obsolete by the manufacturer.
As a unit-mount (MJ) breaker, it mounts directly into switchboards or panelboards designed for PowerPact M frames. The lugs-off-end termination simplifies bus or cable connection in a vertical bus stack.
