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TD555CG VITD 36/2500-25CG


TD555CG VITD 36/2500-25CG
Vacuum Interrupters For Circuit Breakers that we provide is in conformity with high quality standards of the industry. Thus, along with higher performance our Vacuum Interrupters For Circuit Breakers also have longer shelf life. We can provide Vacuum Interrupters For Circuit Breakers in bulk quantities as per requirements of the customers. Further, Customers can get Vacuum Interrupters For Circuit Breakers from us at reasonable rates.

Electrical Ratings (3Phase) Symmetrical Basis
Rated Frequency 50/60Hz
Rated Maximum Line to Line Voltage 36kV,r.m.s
Rated Power Frequency Withstand Voltage : Air 95kV,r.m.s
Rated Impulse Withstand Voltage : Air 185kV,Peak
Rated Normal Current 2500A
Rated Short- Circuit Current ( 3 Phase Symmetrical Basis) 25kA,r.m.s
Percentage D.C. Component of Rated S.C. Breaking Current 50.00%
Rated Short-Circuit Making Current 63kA,Peak
Rated Duration of Short Time Current 4s
Rated Short-Time Withstand Current 25kA,r.m.s
Rated Peak Withstand Current 63kA,r.m.s
*Maximum Contact Resistance at Minimum Closing Force 16Micro ohms
*Rated Breaking Current of Single Capacitor Bank 630A,r.m.s
*Rated Breaking Current of Back-to-Back Capacitor Bank 400A,r.m.s
Rated operating sequence o-0.3s-co-180s-co
Mechanical Data
Interrupter Weight (Approx.) 5.02kg
Moving Part Weight (Approx.) 2.5kg
Closing Force due to Bellow and Atmospheric 120±50N
Force Required to Hold Contacts open at Full Stroke 190±60N
Mechanical Requirements (Ref. Vcb)
Contact Stroke 16±1 mm
Opening Speed (average of 75 contact gap) 1.5±0.2m/Sec
Maximum Overtravel During Opening 2mm
Maximun Rebound During Opening 2mm
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 2500±200N
Closing and Opening non-simultaneity of three-phase Contacts â¤2ms
Life (Estimated)
Electrical Life at Rated Normal Current 50,000 Operations
Electrical Life at Rated Short Circuit Current 100 Operations
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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