progressive maintain your rv sku# max spike current 120-volt 30-amp 50-amp 120-volt 30-amp 50-amp 120-volt 50-amp electrical rating 30-amp surge failure indication yes yes protects protects protects protects protects protects miswired pedestal indication open neutral reverse polarity open ground protection shutdown shutdown indication indication indication indication shutdown shutdown indication indication indication indication shutdown shutdown indication indication indication indication ac frequency shutdown time delay at power up members sale reg best seller! dc power for rv electronics and appliances three-stage battery charging maintains battery life with three nominal voltage output automatic 3-stage charging extends battery life let us install it-members sale $139 assembly replaces the lower power converter section on your built-in converter step up to better dc power for lights and appliances
