Schneider Electric EDB34040 Molded Case Circuit Breaker

Schneider Electric's Square D EDB34040 is a three-pole molded case circuit breaker (MCCB) in the E-Frame family, rated for 40 A and engineered for 480Y/277 VAC service. This bolt-on device is designed to fit standard E-Frame MCCB enclosures, providing compact, current-limiting overcurrent protection for three-phase circuits. With a maximum interrupting capacity of 25 kA at 480Y/277 VAC, the EDB34040 offers robust short-circuit protection suitable for demanding commercial and light industrial power distributions. The part number EDB34040 is paired with Trade Agreements Act (TAA) compliance, aligning with Schneider Electric's distribution equipment for use in North American installations. As part of the Square D/MCCB lineup, this unit delivers reliable protection in a compact E-Frame form factor while maintaining straightforward bolt-on installation in approved enclosures.