HCJ5 1.14kv 125A vacuum interrupter for vacuum contactor
HCJ5 1.14kv 125A vacuum interrupter for vacuum contactor
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. It is extensive to used for coal mine , chemical engineering, Petroleum metallurgy etc. department, more than keeping with at the multifarious operation with the bad place usage of environment
- Vacuum Tube main technique parameter
Rated voltage: 1.14 kv
Rated current: 125A
Rated making current: 1250A
Rated breaking current: 1000A
Limiting breaking current: 1250A
Rated short-time withstand current: 1000A
Rated short-time withstand voltage: 10 kv
Mechanical life: 1000000times
Breaking operations AC3: 150000times
Breaking operations AC4: 6000times
Automatic closing force of the contacts: 25±10N
Force required to hold contacts open at full stork: 40±10N
Circuit resistance at lowest rated contacts force: ≤120μΩ
Limiting abrasion of contacts: 2 mm
Storage life: 20 years
Internal gas pressure: ≤1.33×10-3Pa
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