HCJ5 1.14kv 1000A vacuum interrupter for vacuum contactor

HCJ5 1.14kv 1000A 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. 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 environmen 2. Vacuum Tube main technical parameter Rated voltage: 1.14 kv Rated current: 1000 A Rated put through current: 10000A Rated breaking current: 8000A Limiting breaking current: 10000A Rated short-time withstand current: 8000A Rated short-time withstand voltage(1 min): 10 kv Mechanical life: 1000000 times Rated breaking time AC3: 150000 times Rated breaking time AC4: 6000 times Automatic closing force of the contacts: 70±20 N Force required to hold contacts open at full stork: 90±20 N Contact automatic blocking ability loop electrical resistance: ≤80μΩ Contact-wear allowance thickness: 2 mm Shelf life: 20 years Internal gas pressure: ≤1.33×10-3 Pa