The Delta Lightning Arrestors have a max current rating of 60,000  amps and 2,000 joules per line.  Response time is 25ns to clamp 50,000 amps.  Mounts easily in a 1/2/" knockout.

Install the DC version for surge protection on wires coming from a PV array, DC wind generator, or DC hydroelectric turbine.  Use 600VDC unit for high-voltage grid-tie PV arrays.  Lightning protection can be installed in a combiner box, DC load center, or intertie inverter.

The AC versions can be mounted in your AC load center to protect 120/240 VAC equipment and on AC wiring running outside of the building, to generators, pumps or outbuildings. 

All units waterproof.