Portable 50 amp Surge Guard

Checks power pedestal for miswiring; warns of reverse polarity and dangerous current on ground wire, and provides automatic over- and under-voltage protection. Built-in time delay for compressor protection. Rated 240 volts, 50 amps. 1750 joules surge suppression, 6500 amps spike protection. Mfr. 1 year warranty; lifetime warranty on surge protection circuit.