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VC3-800/1000/1250-2KV Introduction GVC3-800,1000,1250A/1140V-A series vacuum contactor is used in an AC. 50-60 Hz electric power system, with rated working voltage of 1140V, and rated current of 800A, 1000A, 1250A, for direct or remote on-off control of the main circuit, disconnect motor rotor winding loop. It is suitable for the electric-cotrolling condition which needs large current control, under AC-1 and AC-2 operation. This series adopts before- and-after layout between the main circuit and controlling circuit, and adopts electrical latch or machanical latch, and vacuum interrupter with glass shell. |
Model
VC |
o |
- |
o |
o |
/ |
o |
o |
1 |
2 |
|
3 |
4 |
|
5 |
6 |
1. Low-voltage AC vaccum contactor
2. Designed code
3. Rated current(A)
4. Latching mode: J—Machanical latch; D—Electrical latch
5. Rated voltage(V)
6. Vaccum shell materials: T—ceramic; B---Glass(only suits for 1600A)
Main technical specifications
Type form |
|
VC3 |
||||||
Raed work voltage |
kV |
2000 |
||||||
Rated work current |
A |
800 |
1000 |
1250 |
||||
Rated frequency |
Hz |
50/60 |
||||||
Rated thermal current |
A |
800 |
1000 |
1250 |
||||
Rated making capacity |
A/time |
3200/100 |
4000/100 |
5000/100 |
||||
Rated breaking capacity |
A/time |
3200/25 |
4000/25 |
5000/25 |
||||
Limit breaking capacity |
A/time |
8000/3 |
10000/3 |
12500/3 |
||||
Operating cycle |
Long time |
Time/hr |
300 |
|||||
Short time |
Time/hr |
600 |
||||||
Method of operation |
|
Non-Latched or Latched |
||||||
Mechanical endurance |
Ops. |
1000000 |
||||||
Electrical endurance |
Ops. |
500000(AC-2) |
||||||
Operation voltage |
V |
AC 220,380 or DC 110,220 |
||||||
Auxiliary switch |
|
3a,3b |
||||||
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