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Product Name: ISO9001 Miningl JCZ5 220V Coil 630A 12000V Vacuum AC Contactor
Type: Vacuum Contactor
Vacuum AC 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.
| NO. | Parameters | Unit | Value | ||||||
| JCZ5-7.2J/D-630/400/250 | JCZ5-12J/D-630/400/250 | ||||||||
| 1 | Rated Voltage | kV | 7.2 | 12 | |||||
| 2 | Rated Current | A | 630 | 400 | 250 | 630 | 400 | 250 | |
| 3 | Rated closing current (rms) | A | 6300 | 4000 | 2500 | 6300 | 4000 | 2500 | |
| 4 | rated breaking current | 5040 | 3200 | 2500 | 5040 | 3200 | 2500 | ||
| 5 | 4S thermal current | 6300 | 4000 | 2500 | 6300 | 4000 | 2500 | ||
| 6 | Limit breaking current | 6300 | 4000 | 2500 | 6300 | 4000 | 2500 | ||
| 7 | Power frequency withstand voltage | kV | 32 | 42 | |||||
| 8 | operating frequency | Times/h | 300 | ||||||
| 9 | Electric life time | AC-3 | ×104 Times | 25 | |||||
| AC-4 | 10 | ||||||||
| 10 | Mechanical life | 30 | |||||||
| 11 | Rated operating voltage | V | AC110/220 | ||||||
| 12 | Closing coil pull current | A | ≤ DC6/3 | ||||||
| 13 | Holding coil holding current | D:DC0.32/0.16 | |||||||
| 14 | Shunt trip coil current | J:DC2.5/1.3 | |||||||
| NO. | Parameters | Unit | Value | |
| JCZ5-7.2J/D-630/400/250 | JCZ5-12J/D-630/400/250 | |||
| 1 | contact distance | mm | 4.5+1.0/-0.5 | 6+1.0-0.5 |
| 2 | contact overtravel | 1.5±0.5 | ||
| 3 | Average closing speed | m/s | 0.1~0.25 | |
| 4 | Average opening speed | 0.3~0.6 | ||
| 5 | 3 Phase closing - opening period | ms | ≤ 2 | |
| 6 | Closing time / opening time | ≤ 150/ ≤ 150 | ||
| 7 | Each phase conductive loop resistance(20oC) | Ω | ≤ 250 | |
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Zhejiang GHORIT Electric Equipment Co.Ltd. established in 2000, is a large-scale high and new-tech enterprise specialized in researching, developing, producing, marketing and servicing. The leading products include vacuum circuit breaker, high voltage load disconnecting switches, permanent magnet, various of spring and other high & low voltage electrical component. The enterprise has Shanghai and Zhejiang two production base, take up 26000 square meter, and more than 200 staff, fixed assets 60 million, annul sales turnover up to 1 billion,
Ghorit has passed the ISO9001 Quality Management System Certification, CCC and European Economic Community product Safe Qualified Symbol CE. The enterprise own advance production line and test line for circuit breaker and other various advance production and test facilities about 60 sets, make sure all technical data keep on database from begin produce to leaving-factory . Establish advance ERP network management system and computer-aided design system. With rich technical research and development strength, advanced production check-out facility, exquisite production workmanship, we win confidence by our customer. Ghorit is award star enterprise, advance enterprise, the top 100 enterprise of tax and etc.
On the concept of “professional, innovation”, the enterprise has a united, high specialized quality, skilled and management team. The enterprise purpose is “ our work standard and pursuit is meet the customers demand and expectation” with first-class management, first-class technology , first-class facilities, first-class staff , which assure Ghorit become you best cooperation partner.
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1.Payment : T/T,L/C
2.Sample lead time: 1-3days
3.Production lead time: for 100~500pcs 10-15 days ;500~1000pcs 15-20 days
4.Shipping freight are delivered under your requests
5.Shipping port :NINGBO / SHANGHAI ,mainland china
6.Discounts are offered based on order quantities
7.Minimum Quantity:5pcs-10pcs (accepted sample :1-10pcs)
8.Logo: According to your requirement
9.Packaging: 1pc /gift box/white mail order box
10.Shipping: By Express(EMS,DHL,UPS,ARAMEX), By Air or By Sea
1.Your inquuiry related to our products or prices will be replied in 24hours
2.Well-trained and experienced staffs to answer all your enquires in fluent english
3.OEM & ODM, any your costomized lighings we can help you to design and put into product
4.Distributoershio are offered for your unoque design and some our current models
5.Protection of you sales area ,ideas of design and all your private information
1. Our all items are 100% authentic ,please provide details of the address before purchase , So we can calculate the shipping discounts and the best transportation.
2. According to the customer's requirement ,different specifications of the items can be mixed shipments and lower freight.
3.Only wholesale, if require samples, please contact us,If you have any questions or suggestions. Please Contact us freely.
We have to sell items with top quality because we want to keep every customer as our long-term business partner.
We have to set low competitive prices because we need to attract buyers to this new store.
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