Vacuum Interrupter HCJ3 12KV 630A for vacuum contactor
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HCJ3 12KV 630A vacuum interrupter for vacuum contactor
1. Brief introduction
The interrupter adoption 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, maintenanle 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: 12 kv
Rated cureent: 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: 42 kv
Rated lighting impulse voltage: 75 kv
Circuit resistance at lowest rated contacts force: ≤80μΩ
Electrical life: 250,000 times
Mechanical life: 5000,000 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
Rated making current
Rated breaking current
Limiting breaking current
Rated short-time withstand current
Rated short-time withstand voltage
Rated lighting impulse voltage
Circuit resistance at lowest rated contacts force
Closing force due to bellows and atmosphere
Force required to hold contacts open at full stroke
Limiting abrasion of contacts
Internal gas pressure
Strong package, Safety first.
As long as possible to keep the products safe until it arriving customer's warehouse.
Clearly marking label outside of package, customers will be easy to identify their goods.
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