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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 | 12kV,r.m.s |
| Rated short-time power-frequency withstand voltage (1 min) | 42kV,r.m.s |
| Rated lightning impulse withstand voltage | 85kV,Peak |
| Rated Current | 630A |
| Maximum Contact Resistance at Minimum Closing Force | ﾃ｢可､35Micro ohms |
| Rated short-time withstand current | 25kA,r.m.s |
| Rated duration of short-circuit | 1s |
| Rated peak withstand current | 63kA,r.m.s |
| Rated short-circuit making Current | 25kA,r.m.s |
| Rated active load breaking current | 630A |
| Rated closed-loop breaking current | 630A |
| Rated capacity of no-load transformer | 10A |
| Rated cable-charging breaking current | 10A |
| Rated line charging breaking current | 1A |
| Rated earth fault breaking current | 30A |
| Rated cable and line charging breaking current under earth fault condition | 17.3A |
| *Rated breaking current of single capacitor bank | 400A |
| *Rated breaking current of back-to-back capacitor bank | 400A |
| Mechanical Data | |
| Interrupter Weight(Approx.) | 1.18kg |
| Weight of movable parts | 0.58kg |
| Closing force due to bellow and atmosphere | 60ﾃつｱ30N |
| Force required to hold contacts open at full stroke | 130ﾃつｱ40N |
| Mechanical Requirements (Ref. Lbs) | |
| Clearance between open contacts | 9ﾃつｱ1mm |
| Average opening speed(average of first 75% of contact gap) | 1.0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 force | 1000ﾃつｱ100N |
| 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 life | 20years |
| Mechanical endurance | 10000 Operations |
| Contacts limit erosion | 3mm |
