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Máy cắt chân không, CKJ5-series AC low voltage vacuum contactor, CKJ5-80-125-160-400-630-800/1.14KV
Đăng ngày 09-11-2018 02:01:13 AM - 1117 Lượt xem
Mã sản phẩm: , CKG3,CKG4,CKG6-7.2/160 250 400 630A
CKJ5-80-125-160-400-630-800 / 1.14KV Low-voltage vacuum contactors for AC 50HZ, rated voltage , 14KV. Rated current: 80-125-160-250-400-630-800A of Feed network. It is used to connect and disconnect circuits at a long distance and to frequently start and stop the AC motor. Unipolar is suitable for controlling street lights and other single switches. It is suitable to be assembled with various protection devices into an explosion-proof electromagnetic starter. It is the most important circuit device in the industrial sectors such as coal, petroleum, chemical, metallurgy, machinery, transportation and electric power. First, working conditions 1 . The altitude of the sea is not more than 2000 meters. 2 . Ambient air temperature: -25 to +40 °C . 3 . Relative humidity of air: Ambient air temperature does not exceed 50 % at +25 °C , and higher relative humidity at lower temperatures. When the average temperature of the wettest month is +25 °C , the monthly average maximum relative humidity is 90 %. 4 . The inclination of the mounting surface to the vertical surface does not exceed 15° . The installation category is usually category III . 5 . The environmental pollution level is level 3 . 6 . A field with a vibration of no more than 30 m / s. |
The main technical parameters | model | Rated voltage ( power frequency ) (V) | Rated current(A) | Main contact parameter | Power frequency withstand voltage V ( effective value ) |
| The main circuit | Control circuit | Opening distance(mm) | Overtravel(mm) | Final pressure(N) | The main circuit | Auxiliary circuit | Control circuit |
| CKJ5-80/1140 | 1140 | 36,110,220,380 | 80 | 1.8±0.2 | >1 | 30±5 | 4200 | 2500 | 2000 |
| CKJ5-125/1140 | 1140 | 36,110,220,380 | 125 | 1.8±0.2 | >1 | 30±5 | 4200 | 2500 | 2000 |
| CKJ5-160/1140 | 1140 | 36,110,220,380 | 160 | 1.8±0.2 | >1 | 30±5 | 4200 | 2500 | 2000 |
| CKJ5-250/1140 | 1140 | 36,110,220,380 | 250 | 2±0.2 | >1.5 | 80±10 | 4200 | 2500 | 2000 |
| CKJ5-400/1140 | 1140 | 36,110,220,380 | 400 | 2 0 +0.5 | >1.5 | 120±20 | 4200 | 2500 | 2000 |
| CKJ5-630/1140 | 1140 | 36,110,220,380 | 630 | 2 0 +0.5 | >1.5 | 190±20 | 4200 | 2500 | 2000 |
| model | Connect ability | Distribution ability | Limit breaking current(A) | Electrical life | Mechanical life count | quality |
| AC3 | AC4 |
| CKJ5-80/1140 | 10 Ie, 100 times | 8 Ie, 25 times | 2000, 3 times | 60×10 4 | 6×10 4 | 300×10 4 | 3.8kg |
| CKJ5-125/1140 | 10 Ie, 100 times | 8 Ie, 25 times | 2000, 3 times | 60×10 4 | 6×10 4 | 300×10 4 | 3.8kg |
| CKJ5-160/1140 | 10 Ie, 100 times | 8 Ie, 25 times | 2000, 3 times | 60×10 4 | 6×10 4 | 300×10 4 | 3.8kg |
| CKJ5-250/1140 | 10 Ie, 100 times | 8 Ie, 25 times | 4500, 3 times | 60×10 4 | 6×10 4 | 300×10 4 | 8kg |
| CKJ5-400/1140 | 10 Ie, 100 times | 8 Ie, 25 times | 4500, 3 times | 60×10 4 | 2×10 4 | 300×10 4 | 11.3kg |
| CKJ5-630/1140 | 10 Ie, 100 times | 8 Ie, 25 times | 6000, 3 times | 60×10 4 | 0.5×10 4 | 300×10 4 | 19.5kg |
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