Cabinet type power supply lightning protection box（small）

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Electric surge protector of low-voltage distribution system, which is in the form of a box, is designed according to IEC standard. It has invalidation detection indication,overflowing and overheating protection, and powerful discharge capacity of lightning current. It's applicable to the protection of buildings' general supply system against lightning. 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-D380B-XS60	HD-D380C-XS40	HD-D380C-XS20
Nominal working voltage Un	380V	380V	380V
Maximum continuous working voltage Uc	385V	385V	385V
Nominal discharge current In （8/20μs）	30KA	20KA	10KA
Maximum discharging current Imax（8/20μs）	60KA	40KA	20KA
Voltage protection level Up	2KV	1.6KV	1.2KV
Prepositive overflowing protection	63A	32A	16A
Response time Ta	≤25ns
Operating temperature range Tup	-40℃to+70℃
Working condition indication	Green light means work normally,red light means fault indicaiton.
Section of minimum installed conductor	6mm2 multi-folded wire
Protection grade	IP20
External dimension	260×180×85mm
Sheathing material	Metal spraying
Mode of connection	parallel connection
Protection mode	4+0/3+1/1+1/2+0

Installation method：

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

Plug the power phase line (L) and null line (N）into 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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Cabinet type power supply lightning protection box（small）

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