Vacuum Contactor (JCZ8C-24kV )
This series of medium-voltage vacuum contactors is suitable for use in 20kV(24kV) power systems or in high-altitude environments above 4,000 meters. It employs vacuum interrupters for capacitor switching, integrated with insulated supports and a sturdy metal frame, ensuring safety and reliability. The contactor features a large mechanical stroke, strong breaking capacity, and minimal bounce during switching, providing stability. It has excellent phase synchronization, making it particularly suitable for loads involving capacitor banks. Available models include electromagnetic holding type, mechanical holding type, and permanent magnet mechanism type, all with simple and reliable secondary control.
Solidly integrated metal frame, ensuring safety and reliability.
Large stroke, strong breaking capacity, and minimal bounce during switching, providing stability.
Excellent phase synchronization, making it particularly suitable for loads involving capacitor banks.
| Tech. parameters | Model | 160、250/24 | 400/24 | 630/24 | 800/24 | 1000、1250/24 |
| Rated voltage of main loop | (KV) | 24 | 24 | 24 | 24 | 24 |
| Rated current of main loop | (A) | 160、250 | 400 | 630 | 800 | 1000、1250 |
| Main loop making capacity | (A/100times) | 2500 | 4000 | 6300 | 8000 | 10000 |
| Main loop switching capability | (A/25times) | 2000 | 3200 | 5000 | 6000 | 8000 |
| Ultimate breaking capacity | (A/3times) | 4000 | 4500 | 6300 | 8000 | 10000 |
| Mechanical life | (10,000 times) | 100 | 100 | 100 | 100 | 100 |
| Mechanical lock life | (10,000 times) | 10 | 10 | 10 | 10 | 10 |
| Electrical endurance AC3 | (10,000 times) | 25 | 25 | 25 | 25 | 25 |
| Permanent magnet mechanism lifespan | (10,000 times) | 10 | 10 | 10 | 10 | 10 |
| Power frequency withstand voltage of main circuit (fracture) | (KV) | 65 | 65 | 65 | 65 | 65 |
| Phase-phase/phase-to-ground power frequency withstand voltage | (KV) | 65 | 65 | 65 | 65 | 65 |
| Lightning impulse withstand voltage level | (KV) | 125 | 125 | 125 | 125 | 125 |
| Rated operating frequency | (times/h) | 150 | 150 | 150 | 150 | 150 |
| The operating frequency of the permanent magnet mechanism | (times/h) | 30 | 30 | 30 | 30 | 30 |
| Terminal pressure | (N) | >100 | >100 | >100 | >100 | >100 |
| Clearance between open contacts | (mm) | 10±1 | 10±1 | 10±1 | 10±1 | 10±1 |
| Overtravel | (mm) | 1.5±0.5 | 1.5±0.5 | 1.5±0.5 | 1.5±0.5 | 1.5±0.5 |
| Main loop resistance | (μΩ) | ≤200 | ≤200 | ≤200 | ≤150 | ≤150 |
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Tel：+86 15538537280
Email：lycnelectric@163.com
Add：No. 9 Duyu Street, Luolong District, Luoyang City, Henan Province
