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Quick Details

  • Place of Origin: Shanghai, China (Mainland)
  • Brand Name: LERDN
  • Model Number: LDY-40B
  • Certification: ISO9001/140001/CE/ROHS
  • Business Mode: OEM/Manufacturer/Export
  • Function: Lightning Protection for Lower Voltage
  • Class to IEC 61643-1: Class I
  • Class to EN 61643-11: Type 1
  • Class to VDE 0675: B

Packaging & Delivery

Packaging Details Standard Export Packing By Air With TNT /DHL/UPS/FEDEX Express or air freight
Delivery Time 2 working days

Solar PV system AC surge arrester LDY-40B

 

Application range:

 

LDY-40B surge arrester series are applied to equipotential bonding of the main low voltage distribution boxes in the building, providing overvoltage protection arising from the class B 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. Function of lightning protection backup, half of protection ability is available while either red light on;
  6. Assembled 1P, 1P+N, 2P, 3P, 3P+N, 4P etc modes, applied to various electric network systems.

 

Main technical data:

 

Type

LDY-40B

LDY-40B/NPE

Max. continuous operating voltage Uc V

275

385

420

255

Part No.

081402

081403

081404

081400

Voltage protection level Up kV

<2.0

<2.2

<2.5

<1.2

Nominal discharge current In (8/20μs) kA

40

40

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

80

80

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 nylon (UL 94V-0)

Max. backup fuse/air-break switch

125A gL/63A

Cross-section

≥ 16 mm2 stranded/flexible conductor

 

 

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China (Mainland) | Manufacturer, Trading Company
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