Westinghouse 4975D71G43 Molded Case Circuit Breaker

The Westinghouse 4975D71G43 Molded Case Circuit Breaker provides reliable overcurrent and short‑circuit protection for industrial power distribution systems, in panel‑ or switchgear‑mounted installations. This breaker is designed for switchgear, motor control centers, and distribution equipment used in manufacturing plants, processing facilities, and utility power networks. It carries Manufacturer Part Number 4975D71G43 and Brand Westinghouse, serving industrial electrical protection applications requiring dependable circuit interruption. Maintenance teams, OEM operators, and system integrators use it for overload protection, electrical maintenance, and retrofit projects. Common replacements listed for this family include Eaton FD3100, Westinghouse 4975D71G45, and Cutler-Hammer KD3400F. Built for industrial‑duty electrical protection, it supports overcurrent and short‑circuit protection within MCC systems, switchgear, and distribution equipment.