22kV 24kV high voltage vacuum contactor
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General Introduction
JCZ8C series AC high voltage vacuum contactors is suitable for AC 50 ~ 60HZ, rated voltage of the main circuit 24KV,rated current from 160A to 630A power network system for remote making and
breaking and frequent starting and controlling AC motors , transformers and
capacitor banks and other occasions .
Working Conditions
- Ambient temperature -25 ℃ ~ +40 ℃.
- installation site altitude does not exceed 2000m.
- The relative humidity of the air , the wettest month average monthly maximum
relative humidity of 90% , monthly average minimum temperature of 25℃ , and
taking into account the Cream of temperature changes on the surface of the product . - Environment : anhydrous invasion , non-corrosive and flammable gas and
excessive vibration occasio
JCZ8C-24kV Vacuum contactor Tech-parameter
JCZ8C Vacuum contactor Tech-parameter
| Technical parameter | Value | ||||
| Main circuit rated voltage (KV) | 24 | 24 | 24 | 24 | 24 |
| Main circuit rated current (A) | 160 | 250 | 400 | 630 | 800 |
| Main circuit making capacity(A/100times) | 1600 | 2500 | 4000 | 6300 | 8000 |
| Main circuit break-make ability (A/25times) | 1280 | 2000 | 3200 | 5000 | 6300 |
| Ultimate breaking capacity (A/3times) | 3200 | 4000 | 4500 | 6300 | 6300 |
| Mechanical life(Times) | 100 0000 | 100 0000 | 100 0000 | 100 0000 | 1000000 |
| Electricity life AC3(Times) | 25 0000 | 25 0000 | 25 0000 | 25 0000 | 250000 |
| Electricity life AC4(Times) | 10 0000 | 10 0000 | 10 0000 | 10 0000 | 100000 |
| Power-frequency withstand voltage for the main circuit(fracture)(KV) | 65 | 65 | 65 | 65 | 65 |
| Phase-phase/phase-ground power frequency withstand voltage(KV) | 60 | 60 | 60 | 60 | 60 |
| Power-frequency withstand voltage for the control circuit(KV) | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| Rated operating frequency (Times/h) | 300 | 300 | 300 | 300 | 300 |
| Terminal pressure(N) | >100 | >100 | >150 | >150 | >150 |
| 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 circuit electric resistance( μΩ ) | ≤200 | ≤200 | ≤200 | ≤200 | ≤200 |
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