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DEHN DSH TNC 255 FM Type 1+2 Combined Lightning and Surge Arrester for 3-Phase TN-C Systems 941305

DEHN DSH TNC 255 FM Type 1+2 Combined Lightning and Surge Arrester for 3-Phase TN-C Systems 941305
DEHN DSH TNC 255 FM Type 1+2 Combined Lightning and Surge Arrester for 3-Phase TN-C Systems 941305
R7,916
With a total lightning impulse current rating of 25 kA (10/350 µs), the DEHN DSH TNC 255 FM provides robust protection for 3-phase TN-C power systems against direct lightning strikes and surges.OverviewThe DEHN DSH TNC 255 FM is a Type 1+2 combined arrester designed for 3-phase TN-C systems. It offe... Read More
Stock 32 Code 3507857 Brand DEHN Model 941305 Warranty 2 Years

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With a total lightning impulse current rating of 25 kA (10/350 µs), the DEHN DSH TNC 255 FM provides robust protection for 3-phase TN-C power systems against direct lightning strikes and surges.

Overview

The DEHN DSH TNC 255 FM is a Type 1+2 combined arrester designed for 3-phase TN-C systems. It offers a maximum continuous operating voltage of 255 V AC and a voltage protection level of ≤ 1.5 kV, ensuring reliable protection for downstream equipment.

What stands out

  • Combined Type 1+2 protection per EN 61643-11
  • High follow current extinguishing capability of 50 kA rms
  • Remote monitoring via potential-free changeover contact
  • Compact 4-module DIN rail mounting
  • Wide operating temperature range from -40 °C to +80 °C

Technical details

  • Nominal discharge current (8/20 µs): 20 kA
  • Lightning impulse current per pole (10/350 µs): 7 kA
  • Short-circuit withstand capability: 50 kA rms
  • Response time: < 100 ns
  • Connection: screw terminals, max 35 mm² stranded
  • Enclosure: thermoplastic, red, UL 94 V-0
  • Protection degree: IP20

Our verdict

A high-performance surge protective device for industrial and commercial TN-C installations, offering reliable lightning protection and easy integration.

Specifications
AC adapter included
No
Brand
DEHN
Cables included
No
Category
Surge Protection Devices
Certification
EN 61643-11, IEC 61643-11
Compatibility
3-phase TN-C systems
EAN
4013364275317
Input current
20 kA
Input voltage
255 V AC
Model
DSH TNC 255 FM
MPN
941305
On/off switch
No
Output voltage
≤ 1.5 kV
Plug and Play
No
Power source type
AC
Product colour
Red
USB 2.0 ports quantity
0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
0
USB Power Delivery (USB PD)
No
USB Type-C ports quantity
0
Weight
1 kg
Wireless charging
No
Price history over the last 6 months
DEHN DSH TNC 255 FM Type 1+2 Combined Lightning and Surge Arrester for 3-Phase TN-C Systems 941305
Current
R7,916
Lowest
R7,902
Highest
R7,916
Change 24H
+R14   +0%
Week
—   
Month
—   

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