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Lightning & Surge Protection

DEHN APPL.-OPT. COMBINED ARRESTER DEHNSHIELD TYPE 1+2 FOR THREE-PHASE TN-C SYSTEMS DSHTNC255FM

Product Code: DSHTNC255FM

Application-optimised multipole spark-gap-based combined lightning current and surge arrester DEHNshield type 1 and type 2 according to EN 61643-11. Compact design due to space-saving spark gap technology with a width of only 1 module / pole. For use in residential buildings and special applications. Capable of protecting terminal equipment. For protecting low-voltage consumer's installations against surges, even in case of direct lightning strikes.

Technical Specifications

Brand DEHN
Article No. 941305
Circuit Type MSB
Degree of Protection IP20
Dimensions (mm) 0.09W x 0.12L x 0.09D
Follow Current Extinguishing Capability AC (kArms) 25
Integral Fuse No
Lightning Impulse Current (10/350 µs) - Iimp (kA) 12.5 (L-PEN)
Maximum Continuous Operating Voltage MCOV AC (V) 255
Mounting Type DIN Rail
No. of Modules 4
No. of Poles 3P+PEN
Nominal Discharge Current (8/20µs) - In (kA) 12.5 (L-PEN)
Nominal Voltage AC (V) 230/400
Operating State/Fault Indication Green/Red
Response Time (ns) ≤ 100
Signal C/O Contact Yes
Total Discharge Current (10/350 µs) - Itotal (kA) 37.5 (L1+L2+L3-PEN)
Total Discharge Current (8/20µs) - Itotal (kA) 37.5 (L1+L2+L3-PEN)
Voltage Protection Level - Up (kV) ≤ 1.5
Weight (kg) 0.42

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