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TD524H VITD 36/800-18.4H


TD524H VITD 36/800-18.4H


We are regarded as Vacuum Interrupters For Circuit Breakers Exporter and Supplier in Uttar Pradesh. Vacuum Interrupters For Circuit Breakers, provided by us, are known to offer good electrical endurance. Our Vacuum Interrupters For Circuit Breakers are sourced from trusted vendors in the industry, and thus we can assure customers of the durability of the products.

Electrical Ratings (3Phase) Symmetrical Basis
Rated frequency 50/60Hz
Rated Voltage 36/40.5kV,r.m.s
Rated short-time power-frequency withstand voltage (1 min)70/95kV,r.m.s
Rated lightning impulse withstand voltage 170/185kV,Peak
Rated Current 800A
Circuit resistance at lowest rated contact force テ「可、20Micro ohms
Rated short-circuit breaking Current 18.4kA,r.m.s
Rated short-time withstand current 18.4kA,r.m.s
Rated duration of short-circuit 4s
Rated peak withstand current 46kA,r.m.s
Rated short-circuit making Current 46kA,r.m.s
Max. Dc component 40%
*Rated breaking current of single capacitor bank630A,r.m.s
*Rated breaking current of back-to-back capacitor bank400A,r.m.s
Rated operating sequenceO-0.3(0.5)s-CO- 180s-CO
Mechanical Data
Interrupter Weight(Approx.)7.06kg
Weight of movable parts3.1kg
Closing force due to bellow and atmosphere170テつア40N
Force required to hold contacts open at full stroke320テつア50N
Mechanical Requirements (Ref. Vcb)
Clearance between open contacts18テつア2mm
Average opening speed(average of first 75% of contact gap)1.6テつア0.3m/Sec
Average closing speed(average of last 30% of contact gap)1.3テつア0.2m/Sec
Rated added external contact final force2000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、2ms
Life
Electrical Life at Rated Normal Current 20,000 Operations
Electrical Life at Rated Short Circuit Current 50 Operations
Mechanical Life30,000 Operations
Contact Erosion Limit3mm
Shelf Life20 Years

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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