Westinghouse Cutler-Hammer 9917D43H03 Current Transformer

The Westinghouse Cutler-Hammer 9917D43H03 current transformer is a 200:5 AMP CT designed for industrial electrical monitoring and power distribution, offered in a panel-mounted package that readily fits into switchgear, metering panels, and motor control centers. It provides accurate current sensing with electrical isolation for metering upgrades, electrical repairs, and power system retrofits across industrial facilities, substations, MCC systems, and energy monitoring equipment. Typical installations support industrial electrical measurement and monitoring systems that rely on current transformer-based power monitoring. Key specifications include Manufacturer Part Number 9917D43H03, Brand Westinghouse Cutler Hammer, Transformer Ratio 200:5, CT Type AMP CT, Application Industrial Electrical Monitoring Systems, Mounting Type Panel Mounted, Primary Function Current Measurement and Circuit Isolation, and Typical Installation in Switchgear and Metering Panels. Common replacements include Eaton 200:5 Current Transformer, ABB 200:5 Metering Current Transformer, and GE JKM-200 Current Transformer.