FT6-12 can be used in outdoor three-phase AC power system of rated voltage 10 (12) kV and rated frequency 50HZ for opening and closing load current, non-load line and non-load transformer.
Features :
- Vertical rotating structure is used for this kind of product, which can avoid the risk of closing automatically.
- Vacuum arc-extinguished compartment is equipped in the fully sealed enclosure that operated by high-speed mechanism, and will be not influenced by the outside operation and environment. It can do arc extinguish safety and reliably.
- The safety of operation is improved by the connection of vacuum arc-chute and isolating control with no possibility of mis-operation. It has obvious fracture that meets the requirements of disconnecting protection.
- The material of the exposed components is made of stainless steel, and has long life service.
- The characteristics of the switchgear are neat structure, small volume, less weight and simple, reliable mechanism. It can be operated by two methods: manual operation or dual-purpose operation that is manual or electric. It can be used in the automation of network or the operation of sectional device.
The weight of load switchgear: manual or electric operation <=65kg, manual operation<=55kg.
Technical Parameter
|
No |
Item |
Unit |
Parameter |
|
1 |
Rated voltage |
KV |
12 |
|
2 |
Rated frequency |
Hz |
50 |
|
3 |
Rated current |
A |
630 |
|
4 |
Rated active load breaking current |
A |
630 |
|
5 |
Rated closed loop breaking current |
A |
630 |
|
6 |
5% rated active load breaking current |
A |
31.5 |
|
7 |
Rated charging breaking current of cable |
A |
10 |
|
8 |
Rated breaking current of no-load transformer |
A |
Non-load current of 6000kVA transformer |
|
9 |
Rated short-time withstand current |
KA/s |
16/4 |
|
10 |
Rated breaking current of the condenser |
A |
400 |
|
11 |
Rated peak withstand current |
KA |
40 |
|
12 |
Rated short-circuit making current |
KA |
40 |
|
13 |
Rated 1min power frequency withstand voltage (r.m.s) phase to earth, phase-to-phase, vacuum fracture/isolated fracture |
KV |
42/48 |
|
14 |
Lightning impulse withstand voltage (crest) phase to earth, phase-to-phase, vacuum fracture/isolated fracture |
KV |
75/85 |
|
15 |
1min wet, withstand voltage earth to earth, phase to phase, isolating point |
KV |
30/34 |
|
16 |
1min power frequency withstand voltage for isolating point of arc-extinguished compartment |
KV |
20 |
|
17 |
Mechanical Endurance |
Times |
2000 |
Please indicate while ordering:
- a. The type, name and quantity;
- b. The installation position, top bar or several meters below the top bar and diameter of bar;
- c. Operative methods: manual operation or dual-purpose operation that is manual or electric;
- d. Please keep contact with us , if you have special order.
You can ask Data Sheet List for this product before order by e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.or This email address is being protected from spambots. You need JavaScript enabled to view it.
