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Lightning & Surge Protection

DEHN COORDIN. LIGHTN. CURRENT ARRESTER TYPE 1 DEHNBLOC MAXI S 1-POLE 255V AC DBM1255S

Product Code: DBM1255S

Coordinated, single-pole spark-gap-based DEHNbloc Maxi S lightning current arrester (type 1 according to EN 61643-11) with integrated backup fuse for industrial busbar systems. High follow current extinguishing capability and follow current limitation due to RADAX Flow technology. For protecting low-voltage consumer´s installations against surges and even direct lightning strikes.

Technical Specifications

Brand DEHN
Article No. 900220
Circuit Type MSB
Degree of Protection IP20
Dimensions (mm) 0.11W x 0.11L x 0.1D
Follow Current Extinguishing Capability AC (kArms) 50
Integral Fuse Yes
Lightning Impulse Current (10/350 µs) - Iimp (kA) 25
Maximum Continuous Operating Voltage MCOV AC (V) 255
Mounting Type Busbar
No. of Poles 1P+N/PEN
Nominal Voltage AC (V) 230
Response Time (ns) ≤ 100
Signal C/O Contact No
Voltage Protection Level - Up (kV) ≤ 2.5
Weight (kg) 0.73

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