Product Description
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Vacuum contactors utilize vacuum bottle encapsulated contacts to suppress the arc. This arc suppression allows the contacts to be much smaller and use less space than air break contacts at higher currents. As the contacts are encapsulated, vacuum contactors are used fairly extensively in dirty applications, such as mining.
Vacuum contactors are only applicable for use in AC systems. The AC arc generated upon opening of the contacts will self-extinguish at the zero-crossing of the current waveform, with the vacuum preventing a re-strike of the arc across the open contacts. Vacuum contactors are therefore very efficient at disrupting the energy of an electric arc and are used when relatively fast switching is required, as the maximum break time is determined by the periodicity of the AC waveform.
characteristics
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Model |
Rated Voltage | Rated Current | Main contact parameters |
Frequency voltage (V) (RMS) |
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Main Electric Circuit | |||||||||
Main Electric Circuit | Control electric circuit | (A) | contact distance(mm) | contact overtravel(mm) | contact pressure(mm) | Main Electric Circuit | Auxiliary circuit | Control electric circuit | |
CKJ5-63/1140 | 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+0.5/0 | >1.5 | 120±20 | 4200 | 2500 | 2000 |
CKJ5-630/1140 | 1140 | 36,110,220,380 | 630 | 2+0.5/0 | >1.5 | 190±20 | 4200 | 2500 | 2000 |
CKJ5-800/1140 | 1140 | 36,110,220,380 | 800 | 2+0.5/1 | >1.5 | 190±20 | 4200 | 2500 | 2000 |
CKJ5-1000/1142 | 1140 | 36,110,220,380 | 1000 | 2+0.5/2 | >1.5 | 190±20 | 4200 | 2500 | 2000 |
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Model |
making capacity | breaking capacity | Breaking Current(A) | Electric life time | Mechanical life | Weight | |
AC3 | AC4 | ||||||
CKJ5-63/1140 | 10Ie,100Times | 8Ie,25Times | 2000,3Times | 60×104 | 6×104 | 300×104 | 3.8kg |
CKJ5-125/1140 | 10Ie,100Times | 8Ie,25Times | 2000,3Times | 60×104 | 6×104 | 300×104 | 3.8kg |
CKJ5-160/1140 | 10Ie,100Times | 8Ie,25Times | 2000,3Times | 60×104 | 6×104 | 300×104 | 3.8kg |
CKJ5-250/1140 | 10Ie,100Times | 8Ie,25Times | 4500,3Times | 60×104 | 6×104 | 300×104 | 8kg |
CKJ5-400/1140 | 10Ie,100Times | 8Ie,25Times | 4500,3Times | 60×104 | 2×104 | 300×104 | 11.3kg |
CKJ5-630/1140 | 10Ie,100Times | 8Ie,25Times | 6000,3Times | 60×104 | 0.5×104 | 300×104 | 19.5kg |
CKJ5-800/1140 | 10Ie,100Times | 8Ie,25Times | 7200,3Times | 60×104 | 0.5×104 | 300×104 | 20.5kg |
CKJ5-1000/1140 | 10Ie,100Times | 8Ie,25Times | 8500,3Times | 60×104 | 0.5×104 |
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Our Services
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1. Prompt reply: Any inquiry or questions would be replied within 24 hours. |
2.  Quality Product: Manufacture company, each of the products is tested and calibrated. |
3.  Hospitality: Offer smiling service and your visiting is highly welcomed |
4. Fast delivery: delivery time is within 3-7 days usually, other occasion depends on the order qty. |
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Trade Terms | FOB ,CIF ,CFR,EXW,DDP |
Payment terms | T/T,L/C,Western union,Paypal,Escrow,MoneyGram |
Payment conditions | 30% deposit in advance,70% balance before shipping. |
Delivery time | 3-7working days after deposit,2-4 working days for inventory |
Packing | Neutral carton,Wooden case for large size |
Shipping | By sea,by air and by express delivery |
Payment conditions | 30% deposit in advance,70% balance before shipping. |
Delivery time | 3-7working days after deposit,2-4 working days for inventory |
Packing | Neutral carton,Wooden case for large size |
Shipping | By sea,by air and by express delivery |
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