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The GVC1 series high-performance vacuum contactors are suitable for AC 50-60Hz power network systems with a main circuit voltage of 1.14-2KV and a rated current ranging from 1000A to 2000A. They are designed for long-distance connection and disconnection, frequent starting and control of AC motors, transformers, capacitor banks, and other applications. This series of vacuum contactors feature a fully enclosed structure, large capacity for heat dissipation, and a combination of high-performance components. They have the advantages of stable and reliable mechanical characteristics, long service life, and maintenance-free operation. They are especially suitable for use as the main switch on the AC side in applications such as railways, locomotives, control cabinets, wind power, photovoltaic high-power inverters, and mine heat furnace short-circuit compensation devices. They offer excellent cost performance and are the ideal replacement for imported products.
1. The ambient air temperature ranges from -25°C to 45°C, and the altitude does not exceed 2000m.
2. Number of poles in the main circuit: GVC1 is single-pole
3. Control power supply voltage: AC or DC 110V, 220V, 380V; can also be customized according to user requirements.
4. Control circuit mode: The electric-holding type uses a direct electromagnetic system; the permanent magnet type uses a permanent magnet mechanism for holding.
5. Number of auxiliary circuit contacts: 2NO+1NC for the electromagnetic type, and 1NO+1NC for the permanent magnet type
6. The specified heating current for auxiliary switch contacts is ≤5A.
Main Electrical Parameters
|
Model |
GVC1-1000A/2KV |
GVC1-1250A/2KV |
GVC1-1600A/2KV |
GVC1-2000A/2KV |
|
Rated voltage of the main circuit (KV) |
1.14~2 |
1.14~2 |
1.14~2 |
1.14~2 |
|
Rated current of the main circuit (A) |
1000 |
1250 |
1600 |
2000 |
|
Contact making capacity of the main circuit (A/100 times) |
8000 |
10000 |
12500 |
16000 |
|
Contact breaking capacity of the main circuit (A/100 times) |
6000 |
8000 |
10000 |
12500 |
|
Breaking capacity under ultimate conditions (A/3 times) |
8000 |
10000 |
10000 |
12500 |
|
Mechanical life (ten thousand times) |
100 |
100 |
100 |
100 |
|
Electrical life (AC3) (ten thousand times) |
20 |
20 |
20 |
20 |
|
Electrical life (AC4) (ten thousand times) |
5 |
5 |
5 |
5 |
|
Power frequency withstand voltage of the main circuit (open gap) (KV) |
10 |
10 |
10 |
10 |
|
Power frequency withstand voltage of the control circuit (KV) |
2.5 |
2.5 |
2.5 |
2.5 |
|
Rated operating frequency AC3 (times/h) |
300 |
300 |
300 |
300 |
|
Rated operating frequency AC4 (times/h) |
120 |
120 |
120 |
120 |
|
Contact opening distance (mm) |
4±0.5 |
4±0.5 |
4±0.5 |
4±0.5 |
|
Overtravel (mm) |
1.5±0.5 |
1.5±0.5 |
1.5±0.5 |
1.5±0.5 |
|
Contact resistance of the main circuit (μΩ) |
≤80 |
≤80 |
≤60 |
≤40 |
|
Synchronism (ms) |
≤2 |
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