Schneider Electric DGP36400E20LH Circuit Breaker

Schneider Electric’s Square D PowerPact DGP36400E20LH is a 600 V AC, 400 A three-pole molded‑case circuit breaker designed for bolt-on mounting in industrial panelboards, switchboards, and MCCs. It is rated for 600 V and 400 A with a 3P configuration and offers a 35 kA interrupting capacity at 480 VAC. The unit uses load-side lug terminals and supports Long-Time and Short-Time (LSI) trip functions for selective protection and fast interruption on fault conditions. As part of the PowerPact family, the DGP36400E20LH integrates with Schneider Electric’s protection devices and enclosures, making it suitable for feeding branches and equipment in commercial and light-industrial installations like panelboards and motor control centers where high-current protection is needed. In catalogs, this model is associated with the 528261P1 designation in some listings, reflecting the same 600 V, 400 A, 3P PowerPact configuration.