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TD545A VITD 36/2000-26.3A

TD545A VITD 36/2000-26.3A

Business Type Manufacturer, Exporter, Supplier, Retailer, Wholesaler

Preferred Buyer From

Location Anywhere in India

Vacuum Interrupters For Circuit Breakers are required in diverse industrial units. We have a wide network base owing to which we deal with reliable vendors for purchasing Vacuum Interrupters For Circuit Breakers. Our Vacuum Interrupters For Circuit Breakers can operate more number of electrical and mechanical operations.

Electrical Ratings (3Phase) Symmetrical Basis
Rated frequency 50/60Hz
Rated Voltage 40.5kV,r.m.s
Rated short-time power-frequency withstand voltage (1 min) 95kV,r.m.s
Rated lightning impulse withstand voltage 185kV,Peak
Rated Current 2000A
Circuit resistance at lowest rated contact force テ「可、20Micro ohms
Rated short-circuit breaking Current 26.3kA,r.m.s
Rated short-time withstand current 26.3kA,r.m.s
Rated duration of short-circuit 4s
Rated peak withstand current 67kA,r.m.s
Rated short-circuit making Current 67kA,r.m.s
Max. Dc component 40.00%
*Rated breaking current of single capacitor bank 630A,r.m.s
*Rated breaking current of back-to-back capacitor bank 400A,r.m.s
Rated operating sequence O-0.3(0.5)s-CO- 180s-CO
Mechanical Data
Interrupter Weight(Approx.) 8.23kg
Weight of movable parts 3.74kg
Closing force due to bellow and atmosphere 170テつア40N
Force required to hold contacts open at full stroke 320テつア50N
Mechanical Requirements (Ref. Vcb)
Clearance between open contacts 18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 force 2500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
Electrical Life at Rated Normal Current 20,000 Operations
Electrical Life at Rated Short Circuit Current 50 Operations
Mechanical Life 30,000 Operations
Contact Erosion Limit 3mm
Shelf Life 20Year

  • 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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