Hubei Dayu Hanguang Vacuum Electric Co.,Ltd.
CN EN

Vacuum interrupter for contactor TJ040M

Model:VITJ1.14/1600-10

Category:VI for contactors


Product details

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Main Technical Specification
VOLTAGE RATINGS
Rated voltage(Ur) kV 1.14
Rated short-time(1min)power-frequency withstand voltage(Ud) kV 21
Rated lightning impulse withstand voltage(Peak)(Up) kV 40
Rated frequency(fr) Hz 50
CURRENT RATINGS
Rated current(Ir) A 1600
Circuit resistance at lowest rated contact force μΩ ≤60
Rated short-time withstand current(lk) kA 10
Rated duration of short-circuit(tk) s 4
Rated peak withstand current(lp) kA 10
Rated making current kA 6.3
Limit breaking current A 10
MECHANICAL DATA
Weight of movable parts kg ≤0.6
Closing force due to bellow and atmosphere N 70±30
Force required to hold contacts open at full stroke N 120±40
MECHANICAL REQUIREMENTS
Clearance between open contacts mm 3±1
Average opening speed (average of first 75% contact gap) m/s 0.4-0.5
Average closing speed (average of last 30% contact gap) m/s 0.15-0.25
Rated added external contact final force N 250±50
Contact bouncing duration at closing operation ms ≤2
Closing and opening non-simultaneity of three-phase contacts ms ≤2
Maximum rebound during opening mm ≤1
LIFE
Storage life years 20
Rated mechanical endurance Times 300000
Contacts limit erosion mm 3

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