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If your RV has a Southwire Surge Guard hardwire model 35530 or 35550 installed, this remote display lets you mount a readout inside the coach instead of relying on the unit at the pedestal. It comes with a 50' communication cable and connects to units with a telecom (RJ12, 6-pin) jack.
Navigation is handled with a simple joystick control, and the display cycles through detailed fault screens covering incoming line voltage and current draw so you can catch problems before they reach your electronics.
Confirm your existing Surge Guard model has a telecom jack before ordering.