Cabinet type power supply lightning arrester（big)

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Crate-type power supply surge protector(big)

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,installed overflowing and overheating protection with great lightning current discharge capability. It's applicable to the protection of buildings' general supply system against lightning, as well as Grade 1 and 2 lightning protection of the general supply in building, machine room, plant and enterprise to make sure the safe operation of electronic equipment and other electrical equipment. 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-XL160	HD-D220B-XL100	HD-D220B-XL80	HD-D220B-XL60
Nominal working voltage Un	220V	220V	220V	220V
Maximum continuous working voltage Uc	275V	275V	275V	275V
Nominal discharge current In （8/20μs）	80KA	50KA	40KA	30KA
Maximum discharging current Imax（8/20μs）	160KA	100KA	80KA	60KA
Voltage protection level Up	3.5KV	2.5KV	2.3KV	2KV
Prepositive overflowing protection	125A	125A	125A	63A
Response time Ta	≤25ns
Operating temperature range Tup	-40℃to+70℃
Working status 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	300400130mm
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 arrester（big)

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