DC1000V~1500V T2 Surge Protection Device(SPD) LD3-40PV

LD3-40PV 3P

1.Essential PV Lightning Protection: Installed between photovoltaic panels and the inverter, this 3P 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 1000V/1500V, 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 3P 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, 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

Shield Storm Lightning Protection Chip

Advanced core protection chip designed to safely intercept and shunt severe lightning surges for ultimate system safety

PBT Housing

High-impact resistant PBT housing built to withstand heavy mechanical stress and ensure long-term structural durability

Surge Protection

Safeguards your PV system between solar panels and inverters against transient overvoltages

UL94V-0 Flame Retardant

Self-extinguishing when removed from flame effectively prevents fires and safeguards property

Wide Temperature Range

Operates reliably in harsh environments from -30°C to +70°C with stable performance

Indicator Light

Green indicates normal operation; red indicates that replacement is needed immediately

Free Customized Solutions OEM/ODM

We design exclusive PV solutions tailored to your needs at no cost.

Why Does Your PV System Need a CNLONQ LD3-40V Solar Surge Protector?

CNLONQ LD3-40V Solar Surge Protector prevents lightning and transient overvoltage damage between your photovoltaic panels and inverter

●Free design of DC/AC system, packaging and labeling,OEM/ODM ●Reporting and tracking of the whole process before, during and after sales ●Free training for staff and installers ●Free design of promotional materials and videos ●Copyright, certificate and patent sharing ●Trade show resource support ●For more customized services please contact

Free Customized Solution Process