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DEHN DSH ZP B2 SG TNS 255 Combined Lightning Current and Surge Arrester Type 1+2 909440

DEHN DSH ZP B2 SG TNS 255 Combined Lightning Current and Surge Arrester Type 1+2 909440
DEHN DSH ZP B2 SG TNS 255 Combined Lightning Current and Surge Arrester Type 1+2 909440
R5,279
Combined lightning current and surge arrester Type 1+2 for TN-S systems, featuring spark gap technology with integrated backup fuse. It provides protection against lightning currents and surges with a maximum continuous operating voltage of 255 V AC and a lightning impulse current of 12.5 kA per pol... Read More
Stock 166 Code 3508325 Brand DEHN Model 909440 Warranty 2 Years

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Estimated delivery Tuesday, October 6
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Combined lightning current and surge arrester Type 1+2 for TN-S systems, featuring spark gap technology with integrated backup fuse. It provides protection against lightning currents and surges with a maximum continuous operating voltage of 255 V AC and a lightning impulse current of 12.5 kA per pole (50 kA total).

Advantages

High discharge capacity, follow current extinguishing capability up to 50 kA rms, and fast response time of ≤100 ns. Compact design for 35 mm DIN rail mounting.

Suitable for

  • TN-S power supply systems
  • Main distribution boards requiring Type 1+2 protection

Key specifications

  • Nominal voltage: 230/400 V AC
  • Max. continuous operating voltage: 255 V AC
  • Lightning impulse current (10/350 µs): 12.5 kA per pole
  • Nominal discharge current (8/20 µs): 20 kA
  • Voltage protection level: ≤1.5 kV
  • Number of poles: 4 (3+1 configuration)
  • Mounting: 35 mm DIN rail
  • Degree of protection: IP20
  • Operating temperature range: -40 °C to +80 °C

Recommendations

Install at the service entrance of TN-S systems to protect downstream equipment from direct lightning strikes and switching surges.

Specifications
Brand
DEHN
Category
Surge Protection Device
Compatibility
TN-S power supply systems
EAN
4013364409866
Input voltage
230/400 V AC
Model
DSH ZP B2 SG TNS 255
MPN
909440
Power source type
AC
Weight
0.62 kg
Price history over the last 6 months
DEHN DSH ZP B2 SG TNS 255 Combined Lightning Current and Surge Arrester Type 1+2 909440
Current
R5,279
Lowest
R5,265
Highest
R5,279
Change 24H
+R14   +0%
Week
—   
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