category: relay and protection testing
the model nts-300a is a self-contained, two-piece test set designed for complete testing of general electric and westinghouse secondary network protectors.
the two-piece design of model nts-300a enables the user to transport the unit and easily lower it into a manhole.
the unit performs operational tests on 216 and 480 volt network protectors; it can also be used for trouble-shooting tests on the operating mechanism and on both electromechanical and solid-state network relays.
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