Schneider Electric A1B315U Molded Case Circuit Breaker

Schneider Electric's Square D A1B315U molded case circuit breaker is a 15 A, three-pole device designed for 240 V AC circuits, featuring bolt-on mounting that enables quick installation or replacement in compatible panelboards. It delivers thermal-magnetic protection with Long-Time and Instantaneous (LI) trip functions, and it carries a 10 kA short-circuit current rating at 240 VAC, providing robust, predictable protection for distribution circuits. As part of the A1B series, the A1B315U reflects Square D's approach to compact, modular protection, combining 240 V operation, a 3P configuration, and a straightforward bolt-on form factor that fits standard molded-case breakers. Designed for 240 V three-phase distribution, it offers a practical combination of rated current, mounting style, and protective characteristics for panels and switchgear that require dependable, easily replaceable MCCB protection.