Relay Tester, Three & Single Phase

Three & Single Phase Relay Testers for Sale 

Use the Protective Relay Testing System to test everything from single-phase overcurrent relays to multi-terminal end-to-end schemes.

The units are all-in-one relay test set with a direct front panel interface for all functions, without exception!

The ideal integrated system for testing and calibration of protection and control relays, simulation of power system phenomena, and verification of voltage, current, phase, and power transducers.

Also check our Sweep Frequency Response Analyzers!