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TF315E VITF 12/630-25E


TF315E VITF 12/630-25E

We are counted among the most authentic Suppliers and Exporters of Vacuum Interrupter For Load Breaking Switches based in Muzaffarnagar (Uttar Pradesh). The Vacuum Interrupter For Load Breaking Switches, we offer, are preferred due to their high mechanical life. Being sourced from the credible vendors of the market, the Vacuum Interrupter For Load Breaking Switches are assured of their fabrication that comes with a promise of high shelf life.

Electrical Ratings (3Phase) Symmetrical Basis
Rated frequency 50/60Hz
Rated Voltage 12kV,r.m.s
Rated short-time power-frequency withstand voltage (1 min) 42kV,r.m.s
Rated lightning impulse withstand voltage 85kV,Peak
Rated Current 630A
Maximum Contact Resistance at Minimum Closing Force テ「可、35Micro ohms
Rated short-time withstand current 25kA,r.m.s
Rated duration of short-circuit 1s
Rated peak withstand current 63kA,r.m.s
Rated short-circuit making Current 25kA,r.m.s
Rated active load breaking current 630A
Rated closed-loop breaking current 630A
Rated capacity of no-load transformer 10A
Rated cable-charging breaking current 10A
Rated line charging breaking current 1A
Rated earth fault breaking current 30A
Rated cable and line charging breaking current under earth fault condition 17.3A
*Rated breaking current of single capacitor bank 400A
*Rated breaking current of back-to-back capacitor bank 400A
Mechanical Data
Interrupter Weight(Approx.) 1.18kg
Weight of movable parts 0.58kg
Closing force due to bellow and atmosphere 60テつア30N
Force required to hold contacts open at full stroke 130テつア40N
Mechanical Requirements (Ref. Lbs)
Clearance between open contacts 9テつア1mm
Average opening speed(average of first 75% of contact gap) 1.0テつア0.2m/s
Average closing speed(average of last 30% of contact gap) 0.6テつア0.2m/s
Rated added external contact final force 1000テつア100N
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
Storage life 20years
Mechanical endurance 10000 Operations
Contacts limit erosion 3mm

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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