The RVC compatible Surge Guard Plus transfer switch provides premium protection for your motorhome. This model provides enhanced features over other transfer switches on the market. The unit continuously measures shore power and will switch to generator power when shore power electrical conditions are beyond limits. Higher joule ratings, increased contactor ratings and a remote monitor make this unit widely accepted in the marketplace. Additional features include: - RVC Communication allows instant display of voltage, current and fault conditions on an RVC compatible device. - Total electrical protection from faulty park power and generator power. - Provides the following protection: Multi-mode surge suppression (fuse protected) Low (<95V) and High (>132V) Voltage Mis-wired pedestal Open neutral Open ground Reverse polarity High and low frequency Brand TRC Model 40350-RVC-1 Replaces TRC AECM10040A Amperage 50 Amp Protection Rating 3350 Joules of power surge protection. Made in USA Special Order Item No