Premium Square D LDA36400CU31X – 400A 3 Pole Molded Case Circuit Breaker

Engineered for maximum continuous power, the Square D LDA36400CU31X is a 3-pole, 400A electronic trip molded case circuit breaker. As part of the PowerPacT L-Frame series, it is 100% rated to handle demanding commercial and industrial loads without derating. This MCCB installs into Square D I-Line panelboards and switchboards, utilizing a plug-on design for fast, secure connections. It features a MicroLogic 3.3 trip unit, delivering highly accurate long-time and instantaneous (LI) protection.