Solar-Catalog.com 2008
Lightning Protection and Grounding
Catalog Contents
SolarTaos.com

 

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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.

 

AIR CONDITIONERS
APPLIANCES
AUTOTRANSFORMERS
BACKPACKS
BATTERIES, STORAGE
BATTERY
        ACCESSORIES
BATTERY CABLES
BATTERY CHARGERS
BATTERY CONTAINERS
BOOKS
CHARGE CONTROLLERS
CIRCUIT BREAKERS
COMPOSTERS
COMPOSTING TOILETS
DEHUMIDIFIERS
DISCONNECTS
ELECTRICAL SUPPLIES
FANS
FUSES & HOLDERS
FREEZERS
GARDEN COMPOSTERS
GENERATORS, BACKUP
GENERATOR STARTERS
GROUNDING PRODUCTS
HUMIDIFIERS
INVERTERS
   -GRID-TIE
   -GRID INTERACTIVE
   -OFF GRID, MODIFIED SINE
   -OFF GRID, SINEWAVE
   -PORTABLE
LIGHTING
LIGHTNING PROTECTION
LIGHTING CONTROLLERS
LOAD DIVERSION
METERS
MICRO HYDROPOWER
MONITORING SYSTEMS
PV MOUNTING STRUCTURES
RANGES
PORTABLE POWER
REFRIGERATION
SKYLIGHTS, TUBLAR
SOLAR PV MODULES
SOLAR WATER HEATING
STABER WASHERS
STOVES
TOILETS, COMPOSTING
TRANSFORMERS
USED ITEMS
VENTILATION
WASHING MACHINES
WATER PUMPS
WATER HEATERS, TANKLESS
WIND POWER
WIRE

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

Description

Item Code

Price

Purchase
LA302DC Arrestor for up to 300 VDC

53.4115

$40

LA602DC Arrestor for up to 600 VDC

53.4109

$42

LA302R Arrestor for up to 300 VAC

53.4112

$40

LA303R Arrestor for up to 300 VAC 3-Phase

53.4118

$50

Mounting Bracket for surge Arrestors

53.4138

$5

 

PolyPhaser DC Lightning Protectors

PolyPhaser Lightning Protectors set the standard for the lightning protection industry. They are the product of choice in the telecom industry.

Designed to protect PWM switching and relay type charge controls, these units can handle the high voltage of open circuit arrays and will not cause power robbing voltage drop.

Models are available for 12 and 24 volt negative ground systems and 48 volt negative and positive ground systems. Maximum continuous current 50 amps.

Model

System Voltage

Description

Item Code

Price

Purchase

IS17NG

12

17V Negative Ground

53.4165

$225

IS35NG

24

35V Negative Ground

53.4168

$225

IS60NG

48

60V Negative Ground

53.4171

$225

IS60PG

48

60V Positive Ground

53.4174

$225

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Lay-in Lugs for Module Grounding

These tin plated copper lugs have stainless steel set screws and come with stainless steel thread-forming screws and lock washers, to meet NEC requirements for connecting a continuous ground wire to all modules in an array and having the ability to remove a module without breaking grounding continuity for the rest of the aray.

Sold in packages of 10 with thread-forming screws. UL listed.

Description

Item Code

Price

Purchase

Bag of 10 Lay-in Lugs w/screws

51.3414

$35

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Cable Clip

Use this clip to keep module interconnect cables neatly connected to module frames so they do not drop below the array. Bags of 100 clips with anti-corrosion coating.

 

Description

Item Code

Price

Purchase

Bag of 100 Clips

52.9101

$35

 
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Grounding Rods

These are 8 foot by 5/8 inch in diameter grounding rods 

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