Electrical Distribution

 
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Lightning current arresters Type 1

  • General
  • Technical Table

Standards

Protection of an electrical installation and all electrical and electronic devices connected to this installation against destructive surges. Such voltage surges can be generated by lighting induced currents, by network polluting devices such a motors, frequency converters, dimmers, etc.., and by power supply networks switching operations.

Type
1
Number of Poles
3, 3+N, 4
Net System
3P (TN-C/TT), 3P+N (TN-S), 4P (TT)
Max continuos voltage Uc
255V 50/60Hz
Lightning impulse current (10/350μs) Iimp
100kA
Voltage protection level Up
<4kV at In
Response time tA
<100µS
Max backup fuse
160A gL/gG
Short circuit strenght
50kA 50Hz
Insulation resistance Risol
> 10000MΩ
Operating Temperature (°C)
-40 ... +80
Number of modules
4
Protection degree
IP20
Mounting
on DIN rail 35 mm according to EN 50022
Standard connection terminals (mmq)
50 stranded wire or 35 flexible wire
Remote signalling contact (Fm)
Absent
Standard
DIN VDE 0675 Teil 6-11:2002-12; EN61643-11:2002; I