Surge Protection

DC SPD 2P 1000V 40kA Solar Surge Protector

Walax 2-pole 1000V DC surge protector with 40kA Imax for solar PV. High-capacity Type 2 protection for combiner boxes protecting inverters from severe induced surges.

40kA Imax

High discharge capacity for installations with elevated lightning exposure.

1000V 2P

Protects positive and negative conductors on 1000V PV strings.

Type 2 Protection

Diverts induced and switching surges to protect inverters.

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
Mounting35mm DIN rail
Ambient temperature-40°C to +80°C
Applications

Where These Devices Install

1000V solar PV combiner boxes in regions with high lightning exposure, protecting strings and inverters from severe induced surges.

FAQ

Frequently Asked Questions

A higher Imax provides greater surge capacity for installations in lightning-prone areas.
DC – it protects the DC side of a solar PV system.
On a 35mm DIN rail inside the combiner box.
IEC 61643-31 type-test reports and CE documentation ship with every order.
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