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TF412U VITF 27/200U


TF412U VITF 27/200U


Vacuum Interrupter For Capacitor Switches that we offer are required in diverse industrial units. Our Vacuum Interrupter For Capacitor Switches need low maintenance and can with stand extreme conditions easily. Vacuum Interrupter For Capacitor Switches, provided by us, are safe to use and have longer working life. Hence, we are regarded as prominent Vacuum Interrupter For Capacitor Switches Exporter and Supplier in Uttar Pradesh.

Electrical Ratings(3Phase) Symmetrical Basis
Rated Frequency 50/60Hz
Rated Maximum Line to Line Voltage 27kV,r.m.s
Rated Power Frequency Withstand Voltage 70kV,r.m.s
Rated Impulse Withstand Voltage 150kV,Peak
Rated Normal Current 200A
Maximum Contact Resistance at Minimum Closing Force70Micro ohms
Rated Capacitive Switching Current 200kA
Rated Momentary Current, symmetrical 6kA,r.m.s
Rated Momentary Current, asymmetrical 9kA,r.m.s
Rated 1/2 second,Short-time Current 6kA,r.m.s
Rated 1 second,Short-time Current 4.5kA,r.m.s
Rated High-frequency Transient Making Current9kA,r.m.s
Rated Transient Inrush Frequency 6000Hz
Mechanical Data
Interrupter Weight(Approx.) 1.26kg
Moving Part Weight(Approx.) 0.63kg
Closing Force due to Bellow and Atmospheric 60±30N
Force Required to Hold Contacts open at Full Stroke130±40N
Mechanical Requirements(Ref. VCB)
Contact Stroke 10±1 mm
Opening Speed (average of 75 contact gap) 1.2±0.2m/Sec
Maximum Overtravel During Opening 2mm
Maximun Rebound During Opening2mm
Closing Speed(average of last 30% contact gap)0.9±0.2m/Sec
Maximum Contact Bounse Duration(with maximum 2 bounces)â¤2ms
Rated Contact Compressive Force 300N300N
Added external contact force at contact touch point 220N
Life (Estimated)
Mechanical Life 50,000 Operations
Contact Erosion Limit 3mm
Shelf Life 20Years

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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