- Transformers
- Silicone Insulator
- Ceramic-insulator
- Polyethylene Pin Type Insulator And Accessory
- Silicone Surge Arrestor
- Fuse Cutout Switch
- Isolator Switch
- New Develping Products
- End Insulator Fitting
- Cutout Fitting&Accessory
- Winding Mov Suge Arrestor Core
- Cable Cover&Pinpost-housing
- Bushing
- Silicone Rubber
- Ring Main Unit
- EV Charger
- Epoxy Bushing
- Cable Kit
- FRP POLE
- FRP ROD
Ring Main Unit
Electrical characteristics
1、The standard electrical
characteristics as follows.
2、·All specifications meet IEC and GB standards,
·Gas tank waterproof level up to lp67.
- IAC(Internal Arc Classification);A-FL or A-FLR.
|
Technica Data |
Unit |
Module C |
Module F |
Module V |
||||||||||
|
|
|
Load switch |
Switch-fuse combination |
Vacuum switch |
Disconnector earthing switch |
|||||||||
|
Rated Voltage |
kv |
12 |
24 |
36/40.5 |
12 |
24 |
40.5 |
12 |
24 |
36/40.5 |
12 |
24 |
36/40.5 |
|
|
Rated frequency |
Hz |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
50/60 |
/ |
50/60 |
50/60 |
1 |
|
|
Rated current |
A |
630 |
630 |
630 |
/ |
/ |
/ |
630/1250 |
630/1250 |
63/2500 |
630/125 |
630/1250 |
630/2500 |
|
|
Rated short-circuit making current (peak value) |
kA |
50 |
50 |
50 |
Upto fuse |
Upto fuse |
Upto fuse |
50/63 |
50/63 |
50/62/0 |
50/63/8 |
50/63/80 |
50/63/80 |
|
|
|
kA |
20/25 |
20/25 |
20/25 |
Upto fuse |
Upto fuse |
Upto fuse |
20/25 |
20/25 |
20/25/31.5 |
20/25 |
20/25 |
20/25/31.5 |
|
|
Short-time impulse voltage |
5 |
3/4 |
3/4 |
3/4 |
/ |
/ |
/ |
3/4 |
3/4 |
3/4 |
3/4 |
3/4 |
3/4 |
|
|
Rated breaking current |
A |
/ |
/ |
/ |
1750 |
1000 |
800 |
/ |
/ |
/ |
/ |
/ |
/ |
|
|
Rated power frequency withstand voltage |
Phase to phase |
kw/1 min |
38/42 |
50/60 |
70/95 |
38/42 |
50/65 |
/ |
38/42 |
50/65 |
70/95 |
38/42 |
50/65 |
70/95 |
|
Rated lightning impulse withstand voltage |
Phase to earth |
kv |
75 |
125 |
170/195 |
75 |
125 |
170/185 |
75 |
125 |
170/185 |
75 |
125 |
170/185 |
|
SF6 pressure in sealed enclosure |
Mpa |
0.04 |
0.04 |
0.04 |
0.04 |
0.04 |
/ |
0.04 |
0.04 |
|
0.04 |
0.04 |
0.04 |
|
|
SF6 annual leakage rate |
96 |
0.05 |
0.05 |
0.05 |
0.05 |
0.05 |
/ |
0.05 |
0.05 |
/ |
0.05 |
0.05 |
0.05 |
|







