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HCJ3 7.2kv 630A VI

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Price: 49.80USD/
Min.Order: 1
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Delivery: Shipment within 20 days since the date of payment
Address: Asia China
Valid until: Never Expire
Updated on: 2018-07-27 15:01
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1. Brief introduction
    
HCJ3 7.2kv 630A vacuum interrupter for vacuum contactors from JUCRO electric porcelain and ceramics makes to insulate the outer shell. Contact is WCCu metal alloy material advanced        technique of adoption Including bulk small. Breaking the abiliting strong the life span is long maintenance is simple .no explosion dangerous no contaminate and the noise is low . The pack vacuum contactor can operate the ebery kind of electric appliances equipments, and fuse match f-c cabinet 
2. Vacuum Tube main technique parameter
Rated voltage: 7.2 kv
Rated current: 630A
Rated making current: 6.3KA
Rated breaking current: 5.04KA
Limiting breaking current: 6.3KA
Rated short-time withstand current: 6.3KA
Rated short-time withstand voltage: 32 kv
Rated lighting impulse voltage: 60 kv
Circuit resistance at lowest rated contacts force: ≤80μΩ
Electrical life: 250,000 times
Mechanical life: 500,000 times
Closing force due to bellows and atmosphere: 70±20 N
Force required to hold contacts open at full stroke: 100±30 N
Limiting abrasion of contacts: 3 mm
Internal gas pressure: ≤1.33×10-3 Pa
Storage life: 20 years
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