Square D 519568P15 Bolt-On Circuit Breaker Type MH

Square D 519568P15 MH is a bolt-on, three-pole molded‑case circuit breaker in Schneider Electric’s Square D lineup. It is rated for 450 A and supports three‑phase systems up to 600 VAC and up to 500 VDC, aligning with the 600Vac/500Vdc specification often listed for this part. The device is designated as Type MH and features bolt‑on mounting, with documented options for auxiliary contacts or undervoltage release (AUX/UVR) in configurations that accommodate control or protection schemes. The 519568P15 configuration represents a specific MH‑series bolt‑on breaker, intended for high‑current distribution where reliable interruption of large loads is required.