Schneider Electric LAL36400MB Circuit Breaker

Schneider Electric's Square D LAL36400MB is a 400 A, three‑pole molded‑case circuit breaker (MCCB) intended for main distribution in commercial and industrial panels. It is rated for up to 600 V AC and carries an interrupting capacity of 22 kA at 600 V AC, with a DC rating of 250 VDC and 10 kA. The device uses a thermal‑magnetic trip mechanism and includes lug terminals for line and load connections, with a short‑handle design for convenient operation in tight spaces. The LAL36400MB is part of Schneider Electric's LA family (PowerPact) of molded‑case breakers and is specified to provide protection for feeders and main circuit protection in appropriate panel configurations.