Westinghouse S#453D976G09 Electrical Interlock

Westinghouse S#453D976G09 Electrical Interlock is an industrial-duty interlock device (MPN S#453D976G09) designed for safety interlocking and operational control in switchgear and power distribution systems. As part of the Westinghouse L-52 series, it provides electrical interlocking to prevent simultaneous or unsafe electrical operations in motor control centers, breaker systems, and transfer equipment. It supports panel or equipment-mounted installation and is intended for industrial power control applications requiring interlocking and equipment safety protection. Common replacements include Westinghouse 453D502G03 Interlock Assembly, 453D502G06 Interlock Kit, and 450D818G02 Rear Connected Contact Block.