SJB Lightning current arresters

SJB Lightning current arresters - type 1

Parameters

Accessories

Approval marks

Rated voltage	230 V / 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, <2,5 kV
Maximum backup fuse	315 A, 500 A
Arrester classiﬁcation according to EN 61643-11	T1
Degree of protection	IP20
Conductor rigid max.	50 mm2
Conductor ﬂexible max.	35 mm2
Ambient temperature min.	-40 °C
Ambient temperature max.	85 °C
EN 61643-11
IEC 61643-1
VDE 0675-6