Surge Protection

DC 1000V Surge Protector 2P/4P PV SPD T2

Walax DC 1000V surge protector in 2P and 4P configurations for solar PV systems. Type 2 protection for combiner boxes and DC distribution, safeguarding inverters from surge damage.

2P / 4P Options

Choose the pole configuration to match your PV string and earthing scheme.

1000V DC Rated

Full 1000V DC continuous rating for modern PV systems.

Type 2 Industrial

Robust protection for combiner boxes and DC distribution cabinets.

Specifications

Technical Specifications

Standard ratings listed below – custom configurations available on request. Contact our engineers to confirm parameters for your market.

StandardIEC 61643-31 · CE
Max continuous voltage (Uc)1000V DC
Max discharge current (Imax)40kA
Nominal discharge current (In)20kA
Voltage protection level (Up)≤ 3.8kV
TypeType 2
Poles2P / 4P
Mounting35mm DIN rail
Ambient temperature-40°C to +80°C
Applications

Where These Devices Install

Solar PV combiner boxes, DC distribution boards and inverter inputs on 1000V DC systems. Protects strings and inverters from induced and switching surges.

FAQ

Frequently Asked Questions

2P protects positive and negative, while 4P adds protection for multiple strings or a more comprehensive earthing scheme.
1000V is the standard maximum string voltage for modern residential and commercial PV systems.
Yes – Type 2 protection for switching and induced surges.
On a 35mm DIN rail inside the combiner box or DC cabinet.
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