Square D ME36800LS I-Line Molded Case Circuit Breaker

Square D ME36800LS I-Line Molded Case Circuit Breaker is a 3-pole, 800 A molded case circuit breaker designed for use in Square D I-Line panelboards and switchboards. It is rated for 600 V AC and offers a high interrupting capacity of 65 kA at 480 V, making it suitable for feeders in demanding industrial power distribution systems. This ME series unit incorporates a Micrologic electronic trip unit (LSIG/LSI family) that provides long-time and short-time protection with an instantaneous trip function as configured, and it ships with an ARP075 rating plug installed to set the continuous rating at 75% of the frame (600 A). The ME36800LS uses standard I-Line plug-in mounting and accepts typical load-end terminations, making installation straightforward in compatible panels. Typical applications include large feeder protection in industrial control panels, service entrances, and other high-current distribution applications where precise protection and coordination are required.