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.