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TJ512P VITF 33/800P


TJ512P VITF 33/800P


We are engaged in offering Vacuum Interrupter For Contactor, which is appreciated due its construction in accordance with the set industrial standards. What makes the Vacuum Interrupter For Contactor, we offer, stand out in comparison to the other alternatives available is their exceptionally high shelf life. Being sourced from the most reliable vendors of the market, Vacuum Interrupter For Contactor is assured of its excellent electrical endurance.

Electrical Ratings (3Phase) Symmetrical Basis
Rated Frequency 50/60Hz
Rated Maximum Line to Line Voltage 33kV,r.m.s
Rated Power Frequency Withstand Voltage : Air 70kV,r.m.s
Rated Impulse Withstand Voltage : Air 170kV,Peak
Rated Normal Current 800A
Maximum Contact Resistance at Minimum Closing Force 40Micro ohms
Limit Breaking Current 6.3kA
Rated Short-Time Withstand Current 6.3kA
Rated Making Current 6.3kA
Rated Breaking Current(Max/Min) 5kA/0.125kA
Rated Duration of Short Time Current 4s
Mechanical Data
Interrupter Weight(Approx.) 2.26kg
Moving Part Weight(Approx.) 0.98kg
Closing Force due to Bellow and Atmospheric 70±20N
Force Required to Hold Contacts open at Full Stroke145±30N
Mechanical Requirements (Ref. VC)
Contact Stroke 14±1 mm
Opening Speed(average of 75 contact gap) 1.5±0.10m/Sec
Closing Speed(average of last 30% contact gap)0.6±0.10m/Sec
Contact Bounce Duration at Closing Operation â¤3ms
Closing and Opening non-simultaneity of three-phase Contacts â¤1ms
Maximum Rebound during openingâ¤2mm
Rated Contact Compressive Force 600±40N
Life (Estimated)
Electrical Endurance AC-3 30,000 Operations
Electrical Endurance AC-4 30,000 Operations
Mechanical Life 30,000 Operations
Contact Erosion Limit 3mm
Shelf Life 20Years

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