Power supply lightning protection module

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Details

Electric surge protector of low-voltage distribution system is design according to IEC standard.It has invalidation detection indication,standard modularization installation,changeable lightning protection module and powerful discharge capacity of lightning current.It’s appliable to the protection of buildings’ general supply system against lightning.With 35mm standard guide-way,this lightning arrester is very convenient to be maintained.It connects with the circuit in parallel and has no limit to the power of equipment fixed later.




Model

HD-D380M40A

Nominal working voltage Un

380V

Maximum continuous working voltage Uc

385V

Nominal discharge current In 8/20μs

20KA

Maximum discharging current Imax8/20μs

45KA

Voltage protection level Up

1.6KV

Response time Ta

25ns

Operating temperature range Tup

-40℃至+70

Section of minimum installed conductor

6mm2 multi-folded wire

Protection grade

IP20

Sheathing material

Flame retardent thermoplastic material

Mode of connection

Parallel connection

Protection mode

4+0/3+1/2+0/1+1


Ground the null line repeatedly when Long-distance overhead incoming lines enter buildings.

Plug the power phase line (L) and null line (Ninto corresponding connector of the electric surge protector and make sure it's firm and reliable. Connect the ground terminal of arrester with the ground lead of lightning protection well (recommended earth resistance 4Ω).

Suggested specification of the lead wire: no less than 6mm2, short and straight.


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