Square D MHl36100031DC1680 Molded Case Circuit Breaker

Square D MHL36100031DC1680 is a three-pole molded‑case circuit breaker from the MHL DC family, rated for 1000 A and designed for 500 V DC service with an undervoltage trip option. Cataloged as MHL36100031DC1680, it features a thermal‑magnetic trip and standard line and load end terminals for DC power paths, making it straightforward to install in DC power systems. Listings and product references confirm the 1000 A rating at 40 °C for this exact frame size and model within the Square D MHL lineup. In the 500 V DC MHL family, this variant sits in the 450–1200 A range, aligning with common DC protection requirements that demand reliable interruption under overcurrent or undervoltage conditions. The MHL series is manufactured by Square D, a brand of Schneider Electric, and is documented for DC applications that require robust protection in DC distribution. Exact catalog number MHL36100031DC1680 is confirmed by multiple catalog and surplus listings, underscoring its status as a high-current, DC-rated MCCB suitable for retrofit or new installations in industrial or data-center power paths.