DC500V~1000V T2 Surge Protection Device(SPD) LD3-40PV

LD3-40PV 2P

1.Essential PV Lightning Protection: Installed between photovoltaic panels and the inverter, this 2P surge protection device effectively safeguards your solar power system from lightning strikes and transient overvoltages.

2.High Discharge Capacity: Engineered with a nominal discharge current In of 20kA and a maximum discharge current Imax of 40kA (8/20us), delivering robust surge current suppression

3.Wide Voltage Compatibility: Supports rated working voltages up to DC 500V/600V/800V/1000V, making it highly versatile for various residential and commercial solar setups

4.Reliable Environmental Adaptability: Designed for dependable performance in harsh conditions, operating smoothly within a temperature range of -30℃ to +70℃ and relative humidity up to ≤95

5.Easy Standard Installation: Features a compact 2P module design with standard 35mm DIN-rail mounting, ensuring quick deployment and seamless integration into existing distribution boxes

6.Globally Certified Quality & Bespoke Engineering: Fully compliant with IEC standards and certified with TUV, CB, UKCA, CE, RoHS, IP65 and ISO. As your direct manufacturing partner, CNLONQ offers a one-stop customized PV protection solution, providing complimentary professional design planning, technical consultation, and high-fidelity 3D visualization services to perfectly align with your engineering specifications

Free DC/AC Design Solution

Product Description & Video

Parameters

Product Parameters

Technical data
Product Name	DC Surge protection device(SPD)
Model	LD3-40PV
Pole	2P				3P
SPD Type	Type 2/Classll
Feture	Lightning protection, surge protection
Rated Working Voltage Ue (V)	DC500	DC600V	DC800	DC1000	DC1000	DC1500
Up(kV)	2.2	2.2	2.5	3.6	3.6	5.3
In (8/20)us	20kA
Imax (8/20)us	40kA
Response time tA	≤25ns
Admissible short-circuit current Isccr	25kA
Max.backup fuse	63A gL/Gg
lightning Protection	Yes
Levels of Protection	IP20/IK10
Flame Retardant	UL94V-0
Quality Certificate	CE、ISO9001、IEC
Standard	IEC61643-31
Housing Material	PBT
Operating Temperature	-30℃ ~ 70℃
Humidity	≤95%
Altitude	2000m
Installation	35mm DIN Rail
Warranty	18 months
Size(mm)	903665				905465

DC SPD wirings

Features

Product Name

DC Surge protection device(SPD)

Model

LD3-40PV

SPD Type

Type 2/Classll

Technology

MOV(Metal Oxide Varistors)

Protection mode(s)

DC+PE.DC~

In (8/20)us

20kA

Imax (8/20)us

40kA

Why do you need a CNLonQcom PV Combiner Box for your PV system?

"The CNLonQcom T2 Class Surge Protector(SPD) 3 Poles provides surge and lightning protection for your DC system. It is designed for DC applications. Rated voltage(Uc) DC1000V,1500V, Nominal current(In) 20kA, Maximum discharge current(Imax) 40kA, Voltage protection level(Up) 3.6kV, 5.3kV.
CNLonQcom Surge Protectors are certified in accordance with IEC61643-31, and are also CE and ISO approved.
CNLonQcom SPD housing is made of PA material, flame retardant rating UL94V-0
DC surge protectors protect solar arrays, inverters, battery packs, electric vehicle chargers and industrial equipment from surges and switching transients caused by lightning strikes. Protect inverters, battery banks and telecom infrastructure from costly downtime.
CNLonQcom is a China factory specializing in manufacturing and selling PV Combiner Boxes, Waterproof Junction Boxes, Circuit Breakers, Disconnect Switches, Surge Protectors, Fuses, Over and Under Voltage Protectors, PV Connectors, and other AC/DC equipments, which can bring you better quality and price."

Certifications