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TD511B VITD 36/630-12.5B

TD511B VITD 36/630-12.5B

Business Type Manufacturer, Exporter, Supplier, Retailer, Wholesaler

Preferred Buyer From

Location Anywhere in India

Backing from an expert team of professionals, assist us to bring forth to the clients the finest quality Vacuum Interrupter For Reclosers as per their requirements. The Vacuum Interrupter For Reclosers, we offer, are widely acknowledged for their high electrical endurance. Additionally, the Vacuum Interrupter For Reclosers find use in diverse industrial applications due to their high shelf life.

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 630A
Circuit resistance at lowest rated contact force テ「可、20Micro ohms
Rated short-circuit breaking Current 12.5kA,r.m.s
Rated short-time withstand current 12.5kA,r.m.s
Rated duration of short-circuit 4s
Rated peak withstand current 31.25kA,r.m.s
Rated short-circuit making Current 31.25kA,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 stroke
Mechanical Requirements (Ref. Vcb)
Clearance between open contacts15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
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
Electrical Life at Rated Normal Current
Electrical Life at Rated Short Circuit Current 50 Operations
Mechanical Life30,000 Operations
Contact Erosion Limit3mm
Shelf Life20Years

  • 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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