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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

Brand DEHN
Article No. 961125
Circuit Type MSB
Degree of Protection IP20
Dimensions (mm) 0.07W x 0.1L x 0.04D
Follow Current Extinguishing Capability AC (kArms) 50
Integral Fuse No
Lightning Impulse Current (10/350 µs) - Iimp (kA) 50
Maximum Continuous Operating Voltage MCOV AC (V) 255
Mounting Type DIN Rail
No. of Modules 2
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
Voltage Protection Level - Up (kV) ≤ 2.5
Weight (kg) 0.36

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