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Business Type | Manufacturer, Exporter, Supplier, Retailer, Wholesaler |
Preferred Buyer From
Location | Anywhere in 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 Normal 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 with stand 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 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.) | 4.02kg |
Moving Part Weight (Approx.) | 2.0kg |
Closing Force due to Bellow and Atmospheric | 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 | 16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 | 2000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 Life | 30,000 Operations |
Contact Erosion Limit | 3mm |
Shelf Life | 20Years |