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HVJ20
HVJ20 series vacuum contactor has higher rated current, smaller size and anti-dusty advantages. It can be used in AC50 ~ 60Hz, 2KV power system, rated current to 800A, for long distance making-breaking and frequent starting and controlling of AC motor.
HVJ20系列真空接触器主要用于交流50-60Hz, 额定工作电压至2000V的电力系统中, 供远距离接通和分断电路及频繁地启动和控制交流电动机之用, 适用与各种保护装置组成电磁启动器, 特别适用于组成防爆电磁启动器.
Items项目 | Unit单位 | HVJ20-630 | HVJ20-800 |
Main circuit rate voltage主回路额定电压 | (kV) | 2 | 2 |
Main circuit rate current主回路额定电流 | (A) | 630 | 800 |
Main circuit making ability主回路接通能力 | (A/100 times) | 6300 | 6300 |
Main circuit breaking ability主回路分断能力 | (A/10 times) | 5000 | 6000 |
Minimum breaking ability最小分断能力 | (A/3 times) | 6300 | 6300 |
Electrical life AC3电寿命 | (times) | 600,000 | 600,000 |
Electrical life AC4电寿命 | (times) | 100,000 | 100,000 |
Mechanical life机械寿命 | (times) | 1,000,000 | 1,000,000 |
Rated operating frequency AC3额定操作频率 | (times /h) | 300 | 300 |
Rated operating frequency AC4额定操作频率 | (times /h) | 120 | 120 |
Short-time operating frequency短时操作频率 | times /h(20S) | 1200 | 1200 |
Clearance between open contacts触头开距 | mm | 3±0.3 | 3±0.3 |
Over travel超程 | mm | ≥1 | ≥1 |
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