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TWA-TRT Safety Switchbox

The TWA-TRT Safety Switchbox is an optional accessory for TWA series of Tap Changer & Winding Analyzers and TRT series of Transformer Turns Ratio Tester, which share the common test leads. It ensures the safety of the operator during the change of test leads from one instrument to the other by safely grounding the test leads during the change of instruments.



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