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2P DC Surge Protective Device
  • 2P DC Surge Protective Device2P DC Surge Protective Device
  • 2P DC Surge Protective Device2P DC Surge Protective Device

2P DC Surge Protective Device

The 2P DC Surge Protective Device is developed and manufactured by CNLonQcom, a Chinese factory, and provides effective protection against lightning surge voltages for solar power systems (photovoltaic systems). It is suitable for DC voltages of DC500V, DC600V, DC800V, and DC1000V.

Model:LD-40 PV

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Product Description

The customized 2P DC Surge Protective Device plays a crucial role in quickly and effectively protecting equipment in the event of overvoltage in DC circuits, preventing equipment damage and ensuring the safe operation of electronic and electrical devices.

1.Prevents electric shock caused by electrostatic discharge.
2.Protects electrical equipment from overvoltage damage.
3.Prevents fires caused by static electricity accumulation.
4.Suppresses interference caused by lightning strikes and induced lightning.

Product specifications table


LD-40 Surge protector  LD-40

PVDC - specific  EN50539-11

Pole  2P 2P 3P 3P 2P (COSTOMIZED)
Electrical parameter / / / / /
Classified test
Uoc max (VDC) 600 800 1000 1500 12月24日
Uc (VDC) 600 800 1000 1500 12月24日
In (8/20)us (kA) 20 20 20 20 20
Imax (8/20)us (kA) 40 40 40 40 40
Up(kV) 2 2.5 3.8 5.3 2

Remote Signal Contact

signal contact"
 Maximum working voltage (V)
 Maximum working current (A) IA (250V/AC)
  1A (30V DC)
250VAC/30VDC 250VAC /30VDC
IA (250V/AC) IA(250V/AC)
IA(30V/AC) IA(30V/AC)

Installation and Dimensions

Wiring capacity (mm) Hard wire  4~25 4~25
Flexible wire  4~16 4~16
Stripping length (mm)
 10 10
Terminals crcwa
 M5 M5
Torque (Nm) Main circuit  3.5 3.5
Remote signal contact  0.25 0.25
Protection class All profile  IP40 IP40

Connection port  IP20 IP20
Installation environment
 No obvious shock and vibration
Altitude (m)
 ≤ 2000 ≤ 2000
Working Temperature
-30℃ ~+70℃ -30℃ ~+70℃
Relative humidity
 30%~90 % 30%~90 %
How to install
 Installed with H 35-7.5/DIN35 steel mounting rail


Product main images, design drawings, and application scenarios.


Q3: How is the quality control in your 2P DC Surge Protective Device factory? Do you accept wholesale purchases?
A3: All our products undergo 100% inspection before shipping. We accept customization, wholesale, OEM, and ODM.

Q4: When can I get the price?
A4: We will provide a quotation within 24 hours upon receiving your inquiry.

Hot Tags: 2P DC Surge Protective Device, China, Discount, Manufacturers, Suppliers, Factory, In Stock, Free, Sample, Made in China, Quotation, CE, TUV, Price

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