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DC Surge protector for PV

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Min.Order Quantity: 1 Unit/Units
Supply Ability: 1000 Unit/Units per Day
Port: New York or Shanghai
Payment Terms: T/T
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Quick Details

Place of Origin:
Shanghai, China (Mainland)
Brand Name:
Watchful Eye
Model Number:
WTH-40/C/3P-PV1200 Surge Arrester For PV System
20kA (8/20)
<3.0kV (5kA, 8/20)

Packaging & Delivery

Packaging Details: In carton, 400g
Delivery Detail: 6 working days upon receiving payment


UL, IEC61643 and CE certificate.
Applied to the PV systems, installed in combiner boxes, inverters,


DC Network for Photovoltaic: 1000VDC
In accordance with: IEC 61643-1 - Class II  and UL1449 Type 4 Location
Location of use:   Installed in combiner boxes, Inverters
Protection modes: +/PE, -/PE, +/-
Protective element: MOV
Housing: Modular design
More Combinations: 2P


Technical data:

Max. continuous operating voltage:Uc1000VDC
Nominal discharge current (8/20 μ s): In20KA
Max. discharge current (8/20 μ s): Imax40KA
Voltage protection level: Up< 3.6KV
Residual voltage at 5kA (8/20): Ures< 3.0KV
Follow current: IfNo
Response time: tA< 25ns
Thermal protectionYes
Terminal screw torqueMax. 3.5Nm
Back-up fuse (if mains>80A)80A gL
Operating Temp-40°F ~ +185°F (-40°C ~ +85°C)
Relative Humidity5 to 95% non-condensing, up to 100% external
Terminal cross section35mm²(solid) / 25mm²(stranded)
Din Rail EN6071535mm top-hat rail
Protection ratingIP20
Housing materialthermoplastic; extinguishing degree UL94 V-0
Dimensions DIN 438803.5TE
Remote contactsYes
Contact ratings150VAC/1A
Terminal cross sectionMax. 1.5mm
Remote terminal torque0.25Nm
Ordering code120 331


More Uc: 

TypeUC(DC)UpUres(5kA)Ordering code
WTH-40/C/3P-PV12001000V3.6kV3.0kV120 331
WTH-40/C/2P-PV600500V2.5kV1.8kV120 332



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Watchful Eye Solutions is specializing in a complete range of lightning and surge protective devices, with wide applications in low voltage DC & AC power supply system, data and control system, and new energy industry like solar and wind power system, etc. Our company also offers reliable custom technical solutions in lightning & surge protection for global customers.
Headquatered in New York, Watchful Eye has a network of sales to serve the customers worldwide. With high quality... View detail

Basic Information

Business Type: Other  
Main Products: Surge arrester for low voltage power supply system,surge arrester for photovoltaic system,surge protective device tester,POE surge arrester,surge arrester for signal and control system  
Number Of Employees: 11 - 50 People  

Trade & Market

Main Markets: North America
South America
Eastern Europe
Southeast Asia
Eastern Asia
Western Europe
Central America
Northern Europe
Southern Europe
South Asia
Domestic Market
Export Percentage: 71% - 80%  
Trade Shows: Solar Power 2011    

Factory Information

Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 5 - 10 People  

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United States | Contact Details
Experience: Established 2010

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Mr. Jim Lee
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