Surge arrester – Type 3

Type 3 surge arresters are typically used to protect terminal equipment. A wide variety of enclosure designs ensure simple installation close to the terminal equipment.
DEHNrail modular

DEHNrail modular

Modular two-pole surge protective device with a functional design.
For protecting the power supply circuit of industrial electronics equipment against transient surges in switchgear cabinets.
DEHNrail modular, multipole

DEHNrail modular, multipole

Modular four-pole surge protective device for protecting the power supply circuit of 230 / 400 V industrial electronics equipment against transient surges in switchgear cabinets.
Protection module for DEHNrail modular

Protection module for DEHNrail modular

DR MOD…: Replacement protection modules for all devices of the modular DEHNrail series.
Mains filter

Mains filter

For protecting the power supply circuit of industrial electronics equipment (e.g. programmable logic controls (PLCs)) against high-frequency interference voltages.
NSM protector

NSM protector

Earthed socket outlet with integrated surge protection for protecting electronic equipment against surges. For installation into electrical installation systems. German utility patent.
STC module

STC module

For protecting electronic devices against surges. For use with standard earthed socket outlets.
DEHNflex

DEHNflex

For protecting terminal equipment against transient overvoltages. For installation into electrical installation systems, e.g. flush-mounted systems, cable ducts and flush-type boxes. German utility patent for DEHNflex A / ... D.
VC 280 2

VC 280 2

For protecting (electronic) terminal equipment against transient overvoltages. For installation into the enclosure or directly into the device to be protected. German utility patent.
DEHNprotector

DEHNprotector

Adapters for protecting the power supply circuit of electronic devices against transient overvoltages (DEHNpro 230 Protector).
SFL protector

SFL protector

Multiple socket outlet (six-way) for protecting the power supply circuit of electronic devices against transient overvoltages as well as high-frequency interference voltages.
DEHNsafe

DEHNsafe

For protecting terminal equipment against transient surges. For installation into electrical installation systems, e.g. cable ducts or flush-type boxes.