JCZ1-20kV(24kV) Vacuum Contactor
The medium-voltage vacuum contactor in this series uses high-quality vacuum interrupters, combined with a metal frame and insulating brackets, providing excellent breaking performance. It is suitable for single-phase or two-phase power network systems below 20kV(24kV), allowing for long-distance connection and disconnection, frequent starting, and control of resistive, inductive, and capacitive loads. The JCZ1 series single-pole medium-voltage vacuum contactor is commonly used in power protection applications such as arc suppression, neutral grounding, and load boxes. It serves as a main switch, featuring a compact design, fast make-and-break speed, and strong breaking capability, making it suitable for 20kV(24kV) power systems or 10kV(12kV) power systems at altitudes above 4000 meters.
High-quality vacuum interrupters, combined with a metal frame and insulating brackets.
Excellent breaking performance.
Compact size, fast make-and-break speed, and strong breaking capability.
| Tech. parameters | Model | 160、250/24 | 400/24 | 530/24 | 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 | 6000 | 8000 |
| The main circuit is on/off | (A/25times) | 2000 | 3200 | 5000 | 6000 | 8000 |
| Suction limit breaking capacity | (A/3times) | 4000 | 4500 | 6300 | 3000 | 10000 |
| Mechanical life | (10,000times) | 100 | 100 | 100 | 100 | 100 |
| Ultimate breaking capacity | (10,000times) | 10 | 10 | 10 | 10 | 10 |
| Electrical endurance AC3 | (10,000times) | 25 | 25 | 25 | 25 | 25 |
| Permanent magnet mechanism life | (10,000times) | 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 |
| Operating Frequency of 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 | ≤200 | ≤200 |
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Tel：+86 15538537280
Email：lycnelectric@163.com
Add：No. 9 Duyu Street, Luolong District, Luoyang City, Henan Province
