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Type 2 Surge Arresters

Type 2 DEHNguard S / M ...CI / SCI surge arresters are available in different types and voltages and are ideally suited for a.c., d.c. and PV applications.

DEHNguard modular with Advanced Circuit Interruption (Safe Dimensioning)

Modular multipole surge arrester with new "Advanced Circuit Interruption" (ACI) technology in the protection module consisting of a switch / spark gap combination. For protecting low-voltage consumer installations against surges.

DEHNguard SE CI with integrated backup fuse

For industrial applications with a rated voltage of 400/690 V. Combines surge protection and backup fuse in a single component. Available in 2 versions: industry and wind power.

DEHNguard modular

Modular multipole surge arrester with a functional design. For protecting low-voltage consumer´s installations against surges.

DEHNguard S

Modular single-pole surge arrester with a functional design.
For protecting low-voltage consumer´s installations against surges.

DEHNguard S ... VA

Modular single-pole surge arrester with leakage-current-free series connection of a varistor and a spark gap. For protecting low-voltage consumer´s installations against surges.

DEHNguard SE H ... FM

Single-pole surge arrester with integrated “Lifetime Indication“ early warning system.
For protecting low-voltage consumer’s installations against surges.

DEHNcord

Single-pole, two-pole or three-pole surge protective device with monitoring and disconnection device.
For protecting low-voltage consumer installations against surges.

DEHNgap C S

N-PE surge arrester with a functional design. For protecting low-voltage consumer´s installations against surges particularly in TT systems.

DEHNguard ME/SE DC ... (FM)

Modular combined arrester for protecting d.c. consumer installations.

DEHNcube EMOB

Multipole surge protection in a junction box for universal installation upstream of the wallbox as a prewired complete unit.

DEHNcube PV

Multipole surge arrester with three-step d.c. switching device and IP65 degree of protection for use in PV systems up to 1000 V.

DEHNguard modular YPV ... FM

Modular multipole surge arrester with three-step d.c. switching device for PV systems up to 1500 V as pre-wired complete unit.

DEHNguard modular (Y)PV SCI ...

Modular multipole surge arrester (prewired complete unit) with three-step d.c. switching device for use in PV systems up to 1200 V.

DEHNguard modular E (Y)PV SCI 1500

Modular multipole surge arrester with three-step d.c. switching device for PV systems up to 1500 V.

DEHNguard YPV SCI ... – compact

Multipole surge arrester with three-step d.c. switching device for use in PV systems up to 1000 V.

Connecting cable for DEHNcube

Preassambled connecting cables for easy and quick connection of DEHNcube DCU YPV SCI 1000 … surge arresters to the equipment of the photovoltaic generator they are supposed to protect.

DEHNguard PCB

Single-pole base for DEHNguard protection modules for easily integrating a type 2 arrester directly on the PCBs of devices to provide surge protection.

Protection module for DEHNguard M, ... S and DEHNgap C S

DG MOD…: Replacement protection modules fitting for all devices of the modular DEHNguard series.

DEHNguard 1000

Compact single-pole surge arrester for continuous operating voltages up to 1000 V AC. For protecting low-voltage consumer's installations against surges.

V NH / VA NH

Surge arrester with NH design and integrated backup fuse.
For protecting low-voltage consumer´s installations against surges.

DEHNduo

DEHNduo is a product family that combines POP, IGA, and surge protective devices (SPDs), ensuring comprehensive protection of electrical installations against both transient and permanent overvoltages – including variants with automatic reclosure.
This flexibility allows us to offer the most suitable solution for every application, whether in residential, industrial, or specialized installations (public lighting, e‑mobility, etc.).
DEHNduo is a reliable and safe solution that complies with applicable standards (IEC 63052 and IEC 61643‑11).
DEHNduo is CE‑certified and complies with the RoHS Directive, ensuring both safety and environmental compatibility.

SPD+POP+MCB / POP+MCB / POP

Compact surge arrester for transient and power frequency overvoltages with integrated miniature circuit breaker
For installation in conformity with the lightning protection zone concept at the boundaries from 0B – 1 and higher
Type 2 SPD according to EN 61643-11
Comprehensive protection against transients and power frequency overvoltages (SPD+POP 2/4 255 C..)

DEHNguard 5 kA

Multipole surge arrester with a space-saving design.
For protecting low voltage consumer's installations against surges.
For installation in conformity with the lightning protection zone concept at the boundaries from 0B – 1 and higher.
Type 2 SPD according to EN 61643-11
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