PowerPacT L-Frame 400A Circuit Breaker

The LJM36400U31X PowerPacT L-Frame Circuit Breaker is a high-performance electrical protection device engineered to safeguard electrical systems from damage caused by overcurrents and short circuits. This specific model is rated for 400A and operates with a 3-pole configuration at up to 600VAC.

A key feature of this circuit breaker is its advanced MicroLogic 3.3 electronic trip unit, which provides LI (Long-time and Instantaneous) protection functions. This technology ensures precise and reliable tripping in response to overloads and short circuits. The breaker is also equipped with dual-break rotating contacts, which effectively reduce the amount of peak current during a short-circuit fault, enhancing system safety.

Designed for convenience and reliability, the breaker has an integral push-to-trip button for manual testing. It has a continuous current rating of 80% and is a unit-mount device with lugs on the line side and terminal nuts on the load side for secure electrical connections. The unit is used as a main panel disconnect for control panels, providing an essential layer of safety and control.

This circuit breaker is a globally certified product, holding certifications from UL, CSA, NEMA, NOM, and IEC, and is also CE marked. It is suitable for various applications, including those with high-level communication interfaces like Modbus and Ethernet.