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TD524G VITD 36/1250-20G


TD524G VITD 36/1250-20G

We offer Vacuum Interrupter For Circuit Breaker that finds significant application in a number of industries. The Vacuum Interrupter For Circuit Breaker that we offer is high in demand due to its precise make, technologically advanced features and several other factors. Undoubtedly, we are extensively sought-after Vacuum Interrupter For Circuit Breaker Exporter & Supplier in Utter Pradesh (India).

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 1250A
Circuit resistance at lowest rated contact force テ「可、20Micro ohms
Rated short-circuit breaking Current 20kA,r.m.s
Rated short-time withstand current 20kA,r.m.s
Rated duration of short-circuit 4s
Rated peak withstand current 50kA,r.m.s
Rated short-circuit making Current 50kA,r.m.s
Max. Dc component 40.00%
*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.)4.08kg
Weight of movable parts2.1kg
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 contacts16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 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、2mm
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 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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