Manufacturer of ISO9001 AC Mining JCZ5 7.2KV 12KV 250A Electrical Vacuum Contactor Switch

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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Ghorit / OEM
Model Number:
Electricity Type:
Number of Pole:
Main Circuit Rating Voltage:
36V,110V,220V380V, 7.2KV , 12KV
Main Circuit Rating Current:
250A,400A,630A, 250A,400A,630A
Product Name:
ISO9001 AC Mining JCZ5 7.2KV 250A Electrical Vacuum Contactor
Case Color:
Orange , Grey , Red
Vacuum Contactor
Auxiliary switch:
CE, ISO9001
13 months
safe and reliable
Mechanical endurance:
6 million times

 Product Name:  ISO9001 AC Mining JCZ5 7.2KV 250A Electrical Vacuum Contactor

Type: Vacuum Contactor


Product Description


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.


Detail description 

This series of vacuum contactor use overall insulation frame structure with high - quality vacuum switch tube , and secondary control is simple and reliable , stable performance, the external installation of the overall insulation cover , beautiful outlook


 Main Tech-Parameter


JCZ5 Series AC vacuum contactor 
Detail ModelTech parameter
Main circuit rated voltage (KV)12(7.2)12(7.2)12(7.2)12(7.2)12(7.2)
Main circuit rated current (A)160250400630800
Main circuit making capacity
Main circuit break-make
ability (A/25times)
Maximum break ability (A/3times)32004000450063008000
Mechanical life (times)100 0000100 0000100 0000100 0000100 0000
Engineering lock life (times)10 000010 000010 000010 000010 0000
Electricity life AC3(times)25 000025 000025 000025 000025 0000
Electricity life AC4(times)10 000010 000010 000010 000010 0000
Power-frequency withstand voltage
for main circuit(fracture)(kv)
Phase-phase phase -to current withstand voltage(KV)42(32)42(32)42(32)42(32)42(32)
Lightning impulse withstand voltage (KV)75(60)75(60)75(60)75(60)75(60)
Power-frequency withstand voltage
for control circuit(kv)
Rated operate frequency(times/h)300300300300300

Mechanical lock operating frequencies
Terminal pressure(N)>100>100>100>100>100
Clearance betweenopen contacts (mm)6(5)±0.56(5)±0.56(5)±0.56(5)±0.56(5)±0.5
Over travel (mm)1.5±0.51.5±0.51.5±0.51.5±0.51.5±0.5
Main circuit electric resistance(   μΩ )≤200≤200≤200≤200≤200
Total weight(kg)30(25.5)30(25.5)30(25.5)30(25.5)30(25.5)



CKJ5 Series Main Technical  


ModelRated VoltageRated CurrentMain contact parameters
Frequency voltage (V) (RMS)

Main Electric Circuit
Main Electric CircuitControl electric circuit(A)contact distance(mm)contact overtravel(mm)contact pressure(mm)Main Electric CircuitAuxiliary circuitControl electric circuit


Modelmaking capacitybreaking capacityBreaking Current(A)Electric life timeMechanical lifeWeight











Company Information


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.






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




Our Services


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.

We will ship your items on time when you place your order . We know time is important for you.

After Delivery

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