Welcome to Linda and Terry Wolff’s
2015 Solar Products Catalog
Specializing in Sustainable Solar and Wind Energy Products to Brighten your Life!


Lightning & Surge Protection


Why Have Surge Protection

Photovoltaic, wind and hydroelectric systems usually have long runs of exposed wire that can pick up surges from lightning, even if the lightning strike is not nearby. These power surges can damage sensitive electronic components in meters, charge controls and inverters. Surges can also damage telephone, audio and video equipment connected to the power system. It is a good idea to install surge protection on all incoming wires in the system, including incoming PV, wind or hydroelectric power lines, AC generator lines, telephone and antenna leads. Proper grounding is absolutely necessary for lightning protection to be effective. In the event of a direct strike, damage may occur, even with surge protectors installed.

Delta Lightning Arrestors

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 the 600 VDC unit for high-voltage grid-tie PV arrays. Lightening 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 are waterproof.

Delta Model




LA302DC Arrestor for up to 300 VDC


LA602DC Arrestor for up to 600 VDC


LA302R Arrestor for up to 300 VAC


LA303R Arrestor for up to 300 VAC 3-Phase


LA603R Arrestor for up to 600 VAC 3-Phase


CA302R Surge Capacitor up to 300 VDC 053-04124 $45
Mounting Bracket for surge Arrestors




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This page designed and maintained by Terry R. Wolff Last up-dated on May 05, 2015
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