Schneider Electric SE 9421LH43 Operating Handle

Schneider Electric Square D 9421LH43 Operating Handle is a 3-inch rotary handle assembly designed as the painted short-handle option for PowerPact B, H, and J frame molded‑case breakers and associated disconnect switches. It provides a durable, manual control point for devices rated from 125 to 250 A, with a NEMA 3/4 enclosure rating suitable for indoor or outdoor installations. The LH43 version is intended for flange mounting and is compatible with the 9421 family of operating mechanisms, enabling straightforward replacement or retrofit of existing handles. The kit includes all parts required to mount the handle to the enclosure flange, and Schneider Electric offers two mounting methods to accommodate variable mounting depths and installation flexibility. This operating handle is used to manually operate the connected breaker or switch from the front of the panel, supporting safe and reliable operation in control panel installations.