SURGE ARRESTER NUA280 30kA 3+N/PE Type 2 TT
NUA280-31
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Technical Specifications
Type
2
Number of Poles
3+1
Number of modules
4
Max continuos voltage uc
30
Nominal discharge impulse current (8/20µs) In
30kA
Max. discharge current (8/20µs) Imax
60kA
Net System
TT
Voltage protection level Up
< 900V at 5kA - < 1500V at 35kA
Max backup fuse
125A gL/gG
Maximum Terminal Capacity
50 stranded wire or 35 flexible wire MMQ
Working temperature
-40 ... +80 GC
Protection degree
IP20
Mounting
On DIN rail 35 mm according to EN 50022
Standard
DIN VDE 0675 Teil 6-11:2002-12; EN61643-11:2002; IEC 61643-1:1998-02
Megiston