Westinghouse 1LC150 U Seltronic Circuit Breaker

The Westinghouse 1LC150 U Seltronic rating plug is a plug-in / bolt-on accessory that sets the continuous current rating for LC, LCA, LCG, LCGA, HLC, HLCA, HLCG, and HLCGA molded case circuit breakers when paired with Seltronic electronic trip units. Rated at 150 A and 600 VAC, it provides accurate current sensing for overload and short‑circuit protection coordination in industrial and commercial power distribution systems. Commonly installed in switchboards, panelboards, motor control centers, and other electrical equipment to configure breaker trips and maintain coordinated protection. Mounting: Plug-In / Bolt-On; Compatible Trip Units: Seltronic Electronic Trip Units; Compatible Breaker Frames: LC, LCA, LCG, LCGA, HLC, HLCA, HLCG, HLCGA; Part Number: 1LC150 U; Manufacturer: Westinghouse / Eaton; Series: Seltronic. Common replacements include Eaton 1LC150 Rating Plug; Siemens RMS 150A Rating Plug; Schneider Electric Micrologic 150A Rating Plug.