Cabinet type power supply lightning protection box(medium size)

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Crate-type power supply lightning protection box(medium size)

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, lightning stroke numbering display, 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-D220B-XX80

HD-D220B-XX60

HD-D220C-XX40

HD-D380/220B-XX

Nominal working voltage Un

220V

220V

220V

220V

Maximum continuous working voltage Uc

275V

275V

275V

275V

Nominal discharge current In 8/20μs

40KA

30KA

20KA

25KA

Maximum discharging current Imax8/20μs

80KA

60KA

40KA

60KA

Voltage protection level Up

2.3KV

2KV

1.6KV

2.5KV

Prepositive overflowing protection

125A

63A

32A

63A

Response time Ta

25ns

Operating temperature range Tup

-40 to +70

Working order 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

250×310×110mm

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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