Backup through-flow capacity power supply surge protector

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Backup through-flow capacity power supply surge protector

Electric surge protector of backup protection low-voltage distribution system, which is in the form of a box, is designed according to IEC standard. The use of advanced backup flow capacity technology and MOV matrix power supply lightning protection technology can cooperate with each other to provide suppression of higher harmonics when the main discharge channel of the lightning arrester works normally, and cooperates with the main discharge channel to effectively reduce the residual voltage.It has the function of invalidation detection indication. With large discharge capacity of lightning current and low residual voltage, it's applicable to the surge protection of buildings' power system. 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. It has been registered as the patent product of Haide Lightning Protection Corporation.

Model	HD-D220X-XS40/20	HD-D220X-XS20/10
Nominal working voltage Un	220V	220V
Maximum continuous working voltage Uc	275V	275V
Lightning impulse current Imax	40KA	20KA
Nominal discharge current In（8/20us）	20KA	10KA
Backup through-flow capacity Imax（8/20μs）	20KA	10KA
Voltage protection level Up	1.2KV	0.9KV
Response time Ta	≤25ns
Operating temperature range Tup	-40℃至+70℃
Working status indication	Green light means work normally,red light means fault indicaiton.
Protection grade	IP20
External dimension	220×310×105mm
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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Backup through-flow capacity power supply surge protector

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