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Surge Protector

FOB Price: US $4 - 10 / Piece Get Latest Price
Min.Order Quantity: 1 Piece/Pieces
Supply Ability: 100000 Piece/Pieces per Month
Port: Shanghai.
Payment Terms: T/T
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Quick Details

Place of Origin:
Shanghai China (Mainland)
Brand Name:
Model Number:
Class to VDE 0675:
Class to EN 61643-11:
Type 2
Class to IEC 61643-1:
Class II
Business Mode:
Lightning Protection for Low Voltage

Packaging & Delivery

Packaging Detail: Standard Export Packing By Air With TNT Express
Delivery Detail: Lead Time Within 3-5 Days After Receiving Payment 100% By T/T


Surge Protector:
1. CE Certificate Five-year product quality guarantee
2. LDY-20C
3. Uc:275V,Up:<1.5kV
4. In:20 kA,

Surge Protector:


Application range:

LDY-20C surge protective device series are applied to equipotential bonding of the main low voltage distribution boxes in the building, providing overvoltage protection arising from the class C lightning strike to power supply system or misoperation. (Option from standard IEC61643- 1 and GB50343).


Main Feature:

  1. Plug and play design, live-wire replacement, easy maintenance;
  2. Build-in temperature control circuit breaker, high security performance;
  3. Green light in notice window indicates normal; red indicates broken, replacement notice, which is clear and easy distinguished;
  4. Optional telesignalling monitoring interface, realizable remote monitoring;
  5. External bus-bar wire, single module free assembled, easy project construction;
  6. Assembled 1P, 1P+N, 2P, 3P, 3P+N, 4P etc modes, applied to various electric network systems.


Main technical data:





Max. continuous operating voltage Uc V





Part No.





Voltage protection level Up kV





Nominal discharge current In (8/20μs) kA



Max. discharge current Imax (8/20μs) kA



Leakage current 75%Uc 1mA

≤ 20 μA


Response time tA

< 25 ns

< 100 ns

Protection modes

1P, 1P+N, 2P, 3P, 3P+N,4P

Housing material

Enhanced flame retardant PBT (UL 94V-0)

Max. backup fuse/air-break switch

80A gL/40A


≥ 16mm2 stranded/flexible conductor


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Company Overview
Shanghai LERDN was established in 2004 and is a fast-growing and dynamic young company which specializes in manufacturing a complete range of surge arresters. The headquarter and the factory are located in Shanghai, and has representative offices in the USA and Hong Kong,and signed with six countries agents as sole agents at a national level. In China, LERDN has seven branches and fifteen sole agents at the provincial level.

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Basic Information

Product/Service (We Sell): Surge Arrester,Surge Protective Device,Power Supply SPD,Control Signal SPD,Computer Network SPD  
Number of Employees: 51 - 100 People  

Trade & Market

Main Markets: Africa
Domestic Market
Central America
Northern Europe
Southern Europe
Mid East
South Asia
Western Europe
Eastern Asia
Southeast Asia
Eastern Europe
South America
North America
Total Annual Sales Volume: US$2.5 Million - US$5 Million  
Export Percentage: 21% - 30%  

Factory Information

Factory Size (Sq.meters): Below 1,000 square meters  
Factory Location: Room 201-2, No. 305, Jiangchang No.3 Road, Shibei Industrial Park, Zhabei Distrcit, Shanghai City, China  
Number of Production Lines: 3  
Number of R&D Staff: Less than 5 People  
Number of QC Staff: Less than 5 People  
Management Certification: ISO9001   ISO14001   ISO9001   ISO9001   ISO14001  
Contract Manufacturing: OEM Service Offered   Design Service Offered  

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How It Works

China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2004

Communicate with Supplier:

Ms. Athena Xia
Ms. Athena Xia:
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