power supply lightning protection socket
This single-phase power supply lightning protection socket is design according to IEC standard.Lightning arrester of this grade adopts the national standard universal socket, Multi-shape power supply socket and built-in automatic protection device, with invalidation indication.
MODEL |
HD-D220CZ |
Nominal working voltage Un |
220V |
Maximum continuous working voltage Uc |
275V |
Nominal discharge current In (8/20μs) |
5KA |
Maximum discharging current Imax(8/20μs) |
10KA |
Voltage protection level Up |
≤700V |
External dimension |
230*160*42mm |
Response time Ta |
≤25ns |
Protection grade |
IP20 |
Sheathing material |
Flame retardant thermoplastic material |
Mode of connection |
Series |
Installation:
This product is mainly used for Grade 3 lightning protection of DPS,installed to the leading end of DPS incoming feeder.It’s suggested the power earthing (PE)be well connected with lightning protection ground lead (suggested earth resistance ≤4Ω)