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 In8/20us

20KA

10KA

Backup through-flow capacity Imax8/20μs

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 (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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