东京热视频网,日本A 片视频成人,色色艹AV网色,黄国产色片,女同Av成人

Cabinet type power supply lightning arrester(big)

Online Inquiry
Click Refresh Verification Code

Details

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 Imax8/20μs

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

-40to+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

300*400*130mm

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.


Home
Tel
Message
Contact
最新a片网站| 爽歪歪成人电影综合网| 日韩无码影院| clspsite| 黄色网AV| 又爽又黄久久久精品无码| 。一级性爱片| 亚av搜| A片最新网址| 欧美91aⅤ在线| 国产免费看AV| 毛片一二区| 亚洲av色情a| 草久aⅴ| 久操不卡av| 欧美久草网| 97Av高清视频在线| 国产精品无毛片| 92超碰色色| 国产免费黄色片| 五区毛片七区毛片| 强奸校园春色无码| 久久久视屏AV| 久草成人综合| 黄色乇片| 韩日毛片| 一本久久gogo无码| 亚洲最黄一级视频片在| 影音成人| 999狼友牢记| 毛片加黄色片| 亚洲中文视频| A片黄色区| 超污AV网站| 狼人av官网| 91无码色色| www.av国| 亚洲天堂网站一区无码| 国产AV精选| 久久草视| 不用播播放器ava片|