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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 Current | 800A |
| Circuit resistance at lowest rated contact force | ﾃ｢可､20Micro ohms |
| Rated short-circuit breaking Current | 18.4kA,r.m.s |
| Rated short-time withstand current | 18.4kA,r.m.s |
| Rated duration of short-circuit | 4s |
| Rated peak withstand current | 46kA,r.m.s |
| Rated short-circuit making Current | 46kA,r.m.s |
| Max. Dc component | |
| *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.) | 7.06kg |
| Weight of movable parts | 3.1kg |
| 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 | 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 | 50O perations |
| Mechanical Life | 30,000 Operations |
| Contact Erosion Limit | 3mm |
| Shelf Life | 20Years |
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