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Lightning & Surge Protection

DEHN DEHNBLOC M FM LIGHTNING CURRENT ARRESTER DBM1255FM

Product Code: DBM1255FM

Single-pole DEHNbloc modular and coordinated spark-gap-based lightning current arrester ( type 1 according to EN 61643-11) consisting of a base part and plug-in protection module. Maximum system availability due to RADAX Flow follow current limitation. For protecting low-voltage consumer´s installations against surges and even direct lightning strikes.

Technical Specifications

Article No. 961125
Brand DEHN
Lightning Impulse Current (10/350 µs) - Iimp (kA) 50
Mounting Type DIN Rail
Circuit Type MSB
Follow Current Extinguishing Capability AC (kArms) 50
Integral Fuse No
Maximum Continuous Operating Voltage MCOV AC (V) 255
No. of Poles 1P+N/PE(N)
Nominal Voltage AC (V) 230
Operating State/Fault Indication Green/Red
Response Time (ns) ≤ 100
Signal C/O Contact Yes
Dimensions (mm) 0.07W x 0.1L x 0.04D
No. of Modules 2
Weight (kg) 0.36
Voltage Protection Level - Up (kV) ≤ 2.5
Degree of Protection IP20

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