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| Business Type | Manufacturer, Exporter, Supplier, Retailer |
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 |
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