SJB Lightning current arresters - type 1

Parameters

Rated voltage 230 / 400 V a.c.
Maximum constant operating voltage AC 350 V /440 V a.c.
Lightning current (10/350) - peak value 25 kA / pól, 50 kA / pól
Rated discharge current (8/20) 25 kA / pól, 50 kA / pól
Rated frequency 50 ÷ 60 Hz
Voltage protection level <1,5 kV, < 4 kV
Maximum backup fuse 315 A, 250 A
Arrester classification according to EN 61643-11 T1
Degree of protection IP20
Conductor rigid max. 50 mm2
Ambient temperature min. -40 °C
Ambient temperature max. 85 °C
EN 61643-11
IEC 61643-1
VDE 0675-6

Accessories

Interconnecting busbars G1L-.., G2L-.., G3L-.., G4L-..
Terminal extensions AS-..
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Approval marks

CE ESČ
 
 
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