Profile
FLRN48-12 Indoor AC high pressure sulfur hexafluoride switches for rated voltages up to 12kV indoor switchgear with SF6 gas as arcing
and dielectric, including closing, opening and grounding of three stations, small size, easy to install and adaptable to the environment characteristics.
Product features
FLRN48-12 Indoor AC high pressure sulfur hexafluoride switches for rated voltages up to 12kV indoor switchgear with SF6 gas as arcing and
dielectric, including closing, opening and grounding of three stations, small size, easy to install and adaptable to the environment characteristics.
FLRN48-12 sulfur hexafluoride Indoor AC high-voltage load switch and FLN48-12 + SF6 load switch fuse box with control and protection functions,
available for the power supply and electrical equipment for substation protection and control. Particularly suitable for ring-network Cabinet,
cable branch box and power switching stations.
Comply with standard
FLRN48-12 sulfur hexafluoride Indoor AC high-voltage load switch and FLN48-12 load switch + fuse box compatible with GB3804-1990,
IEC60256-1 (1997) and GB16926, IEC60420 the requirements of the standard.
Technical Parameters
No. |
Description |
Unit |
FLN48-12D/T630-20 |
FLRN486-12D/1250-31.5 |
Load switch |
||||
1 |
Rated voltage |
KV |
12 |
12 |
2 |
Rated frequency |
HZ |
50 |
50 |
3 |
Rated Current |
A |
630 |
1250 |
4 |
Rated short-time power frequency withstand voltage (1min) |
kV |
42/48 |
42/48 |
5 |
Rated lightning impulse withstand voltage(peak) |
kV |
75/85 |
75/85 |
6 |
Table 5 min zero pressure rated power frequency voltage |
KV |
24 |
24 |
7 |
Rated short-time withstand current 3SEC/2SEC |
KA |
20 |
20 |
8 |
Rated peak withstand current |
KA |
50 |
50 |
9 |
Rated short-circuit lasting time |
kA |
50 |
50 |
8 |
Rated short-time breaking current |
A |
630 |
630 |
8 |
Active load open circuit current rating |
A |
630 |
630 |
9 |
Rated cable-charging breaking current |
A |
10 |
10 |
10 |
Rated short circuit breaking |
KA |
31.5 |
3 1.5 |
11 |
Rated transfer current |
A |
1750 |
1750 |
12 |
Fuse type |
|
|
XRNT-12KV/125A |
13 |
Fuse output the impact energy |
J |
|
1±0.5 |
14 |
mechanical life |
Time |
5000/2000 |
5000/3000 |
15 |
insulation distance |
mm |
≥125 |
≥125 |
16 |
SF6 gas pressure |
bar |
0.4 |
0.4 |
17 |
Points closing synchronism |
ms |
≤2 |
≤2 |
18 |
The primary loop resistance |
Ω |
≤65 |
≤65 |
Tel: 0086-574-88431113
Fax: 0086-574-88478873
Email: info@macwey.com
Web: www.macwey.com
Add: No.218 Weier Road,Chongshou
Industrial Park, Cixi City
(Ningbo), China
Fax: 0086-574-88478873
Add: No.218 Weier Road,Chongshou Industrial
Park, Cixi City(Ningbo), China