
Best selling Surge protection from Dehn
This page always stays fresh and updates automatically.
1. Dehn Überspannungsableiter
Generator connection box for PV systems up to 1100 V DC for protecting two MPP inputs and two strings. With overvoltage protection and push-in terminals for input and output.

2. Dehn shield ZP
DEHN Combination Surge Arrester DSH ZP B2 SG TT 255
Manufacturer: DEHN
Designation: Combination Surge Arrester for TT and TN-S Systems
Type: DSH ZP B2 SG TT 255
DC Network Type: No
IT Network Type: No
TN Network Type: No
TN-C Network Type: No
TN-C-S Network Type: No
TN-S Network Type: Yes
TT Network Type: Yes
Other Network Types: No
Number of Poles: 4
Lightning Impulse Current (10/350 µs): 30 kA
Maximum Continuous Voltage AC: 255 V
Nominal Voltage AC: 230 V
Protection Level L-N: 1.5 kV
Protection Level N-PE: 1.5 kV
Follow Current Extinguishing Capacity: 25 kA
Specific Energy (W/R): 14.06 kJ/Ohm
Max. Overcurrent Protection Device for Wiring (Fuse): 160 A
Max. Overcurrent Protection Device for V-Wiring (Fuse): 160 A
Mounting Type: Busbar
Max. Conductor Cross-Section Solid (Single/Multi-Wire): 25 mm²
Remote Signaling: No
Device Signaling: Optical
Test Class: Type 1, Type 2, and Type 3
Integrated Pre-Fuse: No
Energetically Coordinated Protection Effect to End Device: Yes
Voltage Switching Spark Gap Technology: Yes
Overcurrent Protected Voltage Tap: Yes
Protection Class (IP): IP30
DEHN Combination Surge Arrester DSH ZP B2 SG TT 255: Additional Details
Tested combination surge arrester Type 1 + Type 2 + Type 3 according to DIN EN 61643-11 for TT and TN-S systems (3+1 circuit) including overcurrent protected 230 V power supply (N and L) with replacement fuse for RfZ / APZ according to VDE-AR-N 4100, completely tool-free installation through Click+Power connection technology for the 40 mm busbar system and Push-in grounding terminal. Designed for use in the main power supply system according to DIN VDE 0100-443 for buildings (also with overhead line supply, without external lightning protection system). A suitable cover clip according to DIN VDE 0603-1 for any commercially available meter field, plus 2 x socket and 2 x plug (without connection cables) for wiring the intelligent metering system according to VDE-AR 4100 is included in the delivery.
EAN: 4013364409859.

3. Dehn DSH ZP 2 SG TT 255 Combination arrester
DEHN Combined Surge Arrester DSH ZP 2 SG TT 255
Manufacturer: DEHN
Designation: Combined Surge Arrester TT
Type: DSH ZP 2 SG TT 255
DC Network Type: No
IT Network Type: No
TN Network Type: No
TN-C Network Type: No
TN-C-S Network Type: No
TN-S Network Type: Yes
TT Network Type: Yes
Other Network Types: No
Number of Poles: 4
Lightning Impulse Current (10/350 µs): 50 kA
Maximum Continuous Voltage AC: 255 V
Nominal Voltage AC: 230 V
Protection Level L-N: 1.5 kV
Protection Level N-PE: 1.5 kV
Follow Current Extinguishing Capacity: 25 kA
Specific Energy (W/R): 39.06 kJ/Ohm
Max. Overcurrent Protection Device for Branch Wiring (Fuse): 160 A
Max. Overcurrent Protection Device for V-Wiring (Fuse): 160 A
Mounting Type: Busbar
Max. Conductor Cross-Section Solid (Single/Multi-Wire): 25 mm²
Remote Signaling: No
Device Signaling: Optical
Test Class: Type 1, 2, and 3
Integrated Pre-Fuse: No
Energetically Coordinated Protection Effect to the End Device: Yes
Voltage Switching Spark Gap Technology: Yes
Overcurrent Protected Voltage Tap: Yes
Protection Class (IP): IP30
The tested combined surge arrester Type 1 + Type 2 + Type 3 according to DIN EN 61643-11 is suitable for TT and TN-S systems (3+1 circuit) and includes an overcurrent protected 230 V power supply (N and L) as well as replacement fuses for RfZ / APZ according to VDE-AR-N 4100. It can be completely installed without tools using Click+Power connection technology for the 40 mm busbar system and a push-in grounding terminal.
The device is used in the main power supply system according to DIN VDE 0100-443 in buildings with an external lightning protection system (Lightning Protection Class III/IV). A suitable cover clip according to DIN VDE 0603-1 for any commercially available meter field as well as 2 sockets and 2 plugs (without connection cables) for wiring the intelligent metering system according to VDE-AR 4100 are included in the delivery.
EAN: 4013364424739.

4. Dehn Generator connection box
The generator connection box from Dehn is a highly developed product specifically designed for use in photovoltaic supply systems. With an IP65 protection rating, it offers effective protection against dust and water, making it ideal for outdoor use. The connection box is manufactured according to the strict standards of DIN EN IEC 61439-2 and allows for the protection of two MPP inputs as well as two strings each. This ensures a reliable and safe connection in solar systems that meet the requirements of DIN IEC 60364-7-712:2011-04. The use of high-quality materials and precise workmanship makes this connection box a durable and robust solution for energy generation.
- IP65 protection rating for optimal protection against environmental influences
- Suitable for two MPP inputs and two strings each
- Complies with the standards DIN EN IEC 61439-2 and DIN IEC 60364-7-712:2011-04
- Made in Germany for high quality standards.

5. Dehn SOEHNE Combined arrester TTu. TNS systems DSH TT 255
Multipole, application-optimized DEHNshield, type 1 and type 2 combined arrester according to EN 61643-11 on spark gap basis. Space-saving spark gap technology with only 1 TE per pole enables a compact design. Suitable for the protection of residential buildings and special applications. Provides end device protection against overvoltages, even with direct lightning strikes. Can be used according to the lightning protection zone concept at interfaces 0A-2.

6. Dehn Surge arrester
Multi-pole surge arrester DEHNguard PV2 SCI, type according to EN 61643-31 for the protection of MPP inputs. The three-stage DC switching device consists of a base unit and plug-in protection modules, featuring a combined disconnection and short-circuit device as well as safe electrical separation within the protection module. Designed to protect low-voltage consumer systems from surges. For use in accordance with IEC 60364-7-712:2002-05 when installing photovoltaic supply systems. DG M PV2 SCI 1000.

7. Dehn Combination arrester
Multi-pole combined surge arrester DEHNventil modular, Type 1 + Type 2 + Type 3 according to EN 61643-11 based on spark gaps, consisting of a base unit and a plug-in protection module. Highest system availability through Rapid Arc Control (RAC) spark gaps. Enables equipment protection. Designed to protect low-voltage consumer installations from overvoltages, even in the event of direct lightning strikes. Usable according to the lightning protection zone concept at interfaces 0A 2.

8. Dehn shield DSH TT 255 FM TT/TNS
Multi-pole DEHNshield Basic, type 1 + type 2 spark-gap based arrester according to EN 61643-11. Space-saving spark gap technology with only 1 TE per pole enables compact design. For protection of residential buildings during retrofitting or renovation. Enables end device protection. Meets all requirements of DIN VDE 0100-534 and DIN VDE 0100-443. Can be used directly at the supply point of the electrical system.

9. Dehn DSH TNS 255
Multi-pole, application-optimized DEHNshield, Type 1 and Type 2 combined surge arrester according to EN 61643-11 based on spark gaps. Space-saving spark gap technology with only 1 TE per pole allows for a compact design. Suitable for protecting residential buildings and for use in special applications. Provides equipment protection against surges, even in the event of direct lightning strikes. Can be used at interfaces 0A-2 according to the concept of lightning protection zones.

10. Dehn shield DSH ZP 2 TNS 255
The DEHNshield DSH ZP 2 TNS 255 is a certified combination surge protector that meets the requirements of the standard DIN EN 61643-11 and is designed for TN-S systems. This surge protector offers comprehensive protection against overvoltages and is suitable for use in main power supply systems, particularly in buildings with external lightning protection systems of lightning protection classes III and IV. Tool-free installation is made possible by the innovative Click+Power connection technology, which includes easy installation in a 40 mm busbar system as well as a push-in grounding terminal. A suitable cover clip for standard meter fields is included, facilitating integration into existing systems. With a high lightning impulse current capacity of 50 kA and a protection level of 1.5 kV, this combination surge protector provides a reliable solution for the protection of electrical installations.
- Suitable for TN-S systems with 4+0 configuration
- Tool-free installation via Click+Power connection technology
- Lightning impulse current capacity of 50 kA
- Protection level of 1.5 kV for L-PE and N-PE
- Integrated energy-coordinated protection effect for the end device.
