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TF512P VITF 33/630-16P


TF512P VITF 33/630-16P

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Leveraging on the expertise of a dedicated team of employees, we bring forth the best quality Vacuum Interrupter For Load Breaking Switches to the clients at the market leading prices. The Vacuum Interrupter For Load Breaking Switches, we supply and export, is appreciated for its unmatched electrical endurance. Moreover, the Vacuum Interrupter For Load Breaking Switches are preferred due to their excellent mechanical and electrical life.

Electrical Ratings (3Phase) Symmetrical Basis
Rated frequency50/60Hz
Rated Voltage36kV,r.m.s
Rated short-time power-frequency withstand voltage (1 min) 70kV,r.m.s
Rated lightning impulse withstand voltage170kV,Peak
Rated Current1250A
Maximum Contact Resistance at Minimum Closing Forceテ「可、35Micro ohms
Rated short-time withstand current16kA,r.m.s
Rated duration of short-circuit4s
Rated peak withstand current40kA,r.m.s
Rated short-circuit making Current40kA,r.m.s
Rated active load breaking current630A
Rated closed-loop breaking current630A
Rated capacity of no-load transformer1250kVA
Rated cable-charging breaking current10A
*Rated breaking current of single capacitor bank400A
*Rated breaking current of back-to-back capacitor bank400A
Mechanical Data
Interrupter Weight(Approx.)2.26kg
Weight of movable parts0.98kg
Closing force due to bellow and atmosphere70テつア30N
Force required to hold contacts open at full stroke145テつア50N
Mechanical Requirements (Ref. Lbs)
Clearance between open contacts14テつア1mm
Average opening speed(average of first 75% of contact gap)0.6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 force1000テつア100N
Added external contact force at contact touch point750テつア80N
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 life20years
Mechanical endurance10000 Operations
Contacts limit erosion3mm

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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