Function test switches are devices used in electrical power systems for testing and maintenance purposes. They allow technicians to simulate different operational states of the equipment, apply test signals, and isolate specific components or sections of the system. These switches are designed to handle high currents and voltages, ensuring safe and reliable testing procedures. They play a crucial role in troubleshooting, diagnostic procedures, and ensuring the proper functioning of electrical equipment in power systems.

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GE / ITI FT Series – Test Switches

The FT Switches and FT Test Plugs have all the features necessary for applications involving the measurement of individual currents and voltages to facilitate testing of substation instrumentation and protection devices from the front of the panel. The make before-break current short circuit feature allows test personnel the convenience of isolating equipment from current transformer circuits.

GE / ITI RT Series – Rack Mount Test Switches

RT switch assemblies for rack and switchboard mounting permit convenient isolation of switchboard relays, meters and instruments. RT racks allow quick and easy multi-circuit testing by conventional test methods.