Schneider Electric LAL36400MB Circuit Breaker

The Square D by Schneider Electric LAL36400MB is a 3-pole, 400 A molded‑case circuit breaker rated for 600 V AC, designed for main‑distribution panels and industrial power systems. As part of the LAL series on the LA‑frame, this thermal‑magnetic breaker provides long‑time and instantaneous trip functions, line and load lug terminals for feed‑through installation, and a short‑handle design for safer operation. Weighing about 7.35 lb, its dimensions are approximately 11.4 in (H) x 16.9 in (L) x 11.9 in (W); interrupting ratings are documented at 22 kA at 240 VAC and 30 kA at 480 VAC, making it suitable for protecting 400 A circuits in 600 V systems.