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TF314P VITF 12/630-20P


TF314P VITF 12/630-20P

We bring forth to the clients a commendable range of Vacuum Interrupter For Load Breaking Switches. We promise that the Vacuum Interrupter For Load Breaking Switches are procured from the trusted vendors of the markets, who assure their fabrication in compliance with the set industrial standards. A highlighting feature of the Vacuum Interrupter For Load Breaking Switches is their high electrical endurance.

Electrical Ratings (3Phase) Symmetrical Basis
Rated Frequency50/60Hz
Rated Maximum Line to Line Voltage12kV,r.m.s
Rated Power Frequency Withstand Voltage : Air 42kV,r.m.s
Rated Impulse Withstand Voltage : Air95kV,Peak
Rated Normal Current630A
Maximum Contact Resistance at Minimum Closing Force35Micro ohms
Rated Short-Time Withstand Current20kA,r.m.s
Rated Duration of Short Time Current4s
Rated Peak Withstand Current50kA,r.m.s
Rated Short-Circuit Making Current50kA,Peak
Rated Active Load Breaking Current630A
Rated Closed-Loop Breaking Current630A
Rated Capacity of No-Load Transformer100A
Rated Cable-Charging Breaking Current10A
*Rated Breaking Current of Single Capacitor Bank400A
*Rated Breaking Current of Back-to-Back Capacitor Bank400A
Mechanical Data
Interrupter Weight(Approx.)1.18kg
Moving Part Weight(Approx.)0.58kg
Closing Force due to Bellow and Atmospheric60±30N
Force Required to Hold Contacts open at Full Stroke130±40N
Mechanical Requirements (Ref. Vcb)
Contact Stroke8±1 mm
Opening Speed(average of 75 contact gap)1.0±0.2m/Sec
Maximum Overtravel During Opening2mm
Maximun Rebound During Opening2mm
Closing Speed(average of last 30% contact gap) 0.6±0.2m/Sec
Maximum Contact Bounse Duration(with maximum 2 bounces)â¤2ms
Rated Contact Compressive Force1000±100N
Added external contact force at contact touch point 750±80N
Life (Estimated)
Mechanical Life10,000 Operations
Contact Erosion Limit3mm
Shelf Life20Years

Note
  • Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC 62271-200 and JB 8738-2008.
  • * Rated Characteristics to be given on request"

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