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

B+C composite power supply lightning protection box

Online Inquiry
Click Refresh Verification Code

Details

B+C composite power supply lightning protection box

Electric surge protector of composite low-voltage distribution system, which is in the form of a box, is designed according to IEC standard. It adopts the most advanced technology of preignition clearance and automatic matching of energy and has validation detection indication, overflowing and overheating protection, lightning stroke numbering display and powerful discharge capacity of lightning current. It can be used in Grade B and C lightning protection for the general supply of building, machine room, plant and enterprise to make sure the safe operation of electronic equipment and other utilization 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 the connected device.



Model

HD-D380BC-XL200

HD-D380BC-XL100

HD-D380BC-XL60

HD-D380/220B-XL

Nominal working voltage Un

380V

380V

380V

380V

Maximum continuous working voltage Uc

385V

385V

385V

385V

Nominal discharge current In 8/20μs

200KA

100KA

60KA

10KA

Voltage protection level Up

2KV

1.5KV

1KV

2.5KV

Response time Ta

100ns

Operating temperature range Tup

-40to+70

Working condition 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

280*350*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
亚洲v区| AV97在线| 亚洲经典不卡一区| 性爱无码视频| 亚洲一级电影视频| 亚洲品极| 亚洲婷婷AV| 日韩操逼大片| 人妻精品| 操操网AV| 免费看的a片| 青青草原在线视频精品| 青青人亚洲AV无码精…| 超碰综合国产后入| 亚洲AV无码片| 韩日欧亚a级| 岛国精品在线| 在线观看韩国av| av大片黄片在线看| 探花AV在线| 欧美特技黄色a片| 91欧洲黄色视频| 久久久久久性爱AV| 日韩av手机网| 91在线看免费网站| 欧美操逼视频| 天天透一区二区三区c| 成人一区免费| 色色综合站| 怡春院院AV| 黄色片二.级片| 亚洲三级无码| 日啪天天干| AV成人电影在线观看| 亚洲成人综合久久| 亚洲AV成人无码精品| 西兰av| 韩国无码AV| 久久久久九九九| 日韩人妻一级A片| 日韩一无码|