Eaton 1491D45G02 Auxiliary Contact Block Assembly is a JD/HJD J-frame auxiliary accessory from the Cutler-Hammer line that adds two auxiliary contacts (1A and 1B) to compatible frame devices. Designed for use with JD and HJD type frames, this block integrates with existing contactor or switch assemblies to provide additional signaling or interlocking contacts in control circuits. The part number 1491D45G02 uniquely identifies this auxiliary block within Eaton's JD/HJD family.
