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TD524A VITD 36/800-18.4A


TD524A VITD 36/800-18.4A

Clients can avail from us Vacuum Interrupter For Circuit Breaker that is fabricated from quality materials. The Vacuum Interrupter For Circuit Breaker is designed as per the industry set norms and conforms to the international quality standards. We are a reputed Vacuum Interrupter For Circuit Breaker Exporter & Supplier in Utter Pradesh (India).

Electrical Ratings (3Phase) Symmetrical Basis
Rated Frequency 50/60Hz
Rated Maximum Line to Line Voltage 36/40.5kV,r.m.s
Rated Power Frequency Withstand Voltage : Air 70/95kV,r.m.s
Rated Impulse Withstand Voltage : Air 170/185kV,Peak
Rated Normal Current 800A
Rated Short- Circuit Current ( 3 Phase Symmetrical Basis) テ「可、20Micro ohms
Percentage D.C. Component of Rated S.C. Breaking Current 18.4kA,r.m.s
Rated Short-Circuit Making Current 18.4kA,r.m.s
Rated Duration of Short Time Current 4s
Rated Short-Time Withstand Current 46kA,r.m.s
Rated Peak Withstand Current 46kA,r.m.s
*Maximum Contact Resistance at Minimum Closing Force 40.00%
*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-0.3(0.5)s-CO- 180s-CO
Mechanical Data
Interrupter Weight (Approx.) 4.08kg
Moving Part Weight (Approx.) 2.1kg
Closing Force due to Bellow and Atmospheric 170テつア40N
Force Required to Hold Contacts open at Full Stroke 320テつア50N
Mechanical Requirements (Ref. Vcb)
Clearance between open contacts 16テつア1mm
Average opening speed(average of first 75% of contact gap) 1.5テつア0.3m/Sec
Average closing speed(average of last 30% of contact gap)1.1テつア0.2m/Sec
Rated added external contact final force 2000テつア200N
Contact bouncing duration at closing operation テ「可、2ms
Closing and Opening non-simultaneity of three-phase Contacts テ「可、2ms
Maximum Rebound during openingテ「可、2m
Clearance between open contacts テ「可、2m
Life
Electrical Life at Rated Normal Current 20,000 Operations
Electrical Life at Rated Short Circuit Current 50 Operations
Mechanical Life 30,000 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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