ABB OHY274J12 Overload Relay

ABB OHY274J12 is a yellow operating handle for ABB safety switch assemblies, delivering manual actuation for OT/OS configurations with a 274 mm overall length and a 12 mm shaft. As part of the OH family of safety-switch accessories, this 274/12 mm handle is designed to pair with ABB safety switches and interlock arrangements, ensuring the door cannot be opened when the handle is in the ON position. The distinctive yellow finish helps operators quickly identify the actuator in control panels and industrial installations. You will commonly see OHY274J12 listed alongside OHB274J12 in ABB catalogs and distributor pages, confirming its compatibility with ABB 1SCA-series safety switch assemblies and related interlock configurations.