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
青青操五月天| A级片无码免费观看| 青青草原在线尤物| 91免费视频资源| 黃色一级A一片人与| 亚洲人成人| 91色视频网站| 日本黄在线免| 无码久久任你操| 探花av在线观看| 日本91在线视频| 精品91av| 一级爱在线免费視频| 久久成人av| 日本三级东京热| 国产亚洲青青草原| 久久人妻无码AⅤ毛片A| 色情av电影在线播放| 日本sese| 亚洲天堂无码电影| 久草成人在线观看| 日韩污污| A级毛片高清视频免费看| 免费的高清黄色网址| 一区二区无码视频| 91夜色视频| 另类a永久免费看视频| 超碰在线88| 狼友五月视频在线观看| 日韩一级黄色毛片| 男人的天堂岛国视频在线| 91无套内射| 日本成人电影免费| 日本综合A片一级视频| 二区二区| 日韩无码1级播放| 亚洲AV成人无码网| 免费黄色激情网站| 亚洲a v高清| 欧美精品香蕉电影| 日韩A片在线播放|