Listing ID #106115
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The "GV Series" Vacuum Interrupters (VIs) are designed to suite the requirements of the users for various applications. These VI designs are being manufactured in the state of art processing facility with the unique selling parameters (USPs). The USPs of Vis are validated to enhance the performance &reliability of Vis as well as the switchgears.
The clinically clean manufacturing & testing facility at "Vijai Electricals Ltd.," in India is comprising of world class brands of Vacuum Furnaces, Clean Room of 10001 100 class and other processing, testing equipments. The VI specifications varies from rated voltage 690 V to 52 kY, rated normal current 400 Ato 3 150 A, Short Circuit breaking 4 kAto 44 kA.The application of Vis encompasses Conventional Circuit breakers, Vacuum Contactors, Auto Reclosers, RMUs etc.
USPs
Mechanically Strong Construction.
No external insulation on VI Such as Silicon rubberl Polyurethane.
EPDM Sleeve facilitates closer interphase distance inVCB.
Rated line to line voltage can be extended if required to the next standard rating.
Rated short circuit current can be extended if required to the next standard rating.
Best performance &Higher reliability due to above special Design features.
| Electrical Rating (3 Phase Symmetrical bBasis) | Unit | GV-001 | GV-008 | GV-009 |
|---|---|---|---|---|
| Rated Maximum Line to Line Voltage | kV,r.m.s. | 36 | 12 | 12 |
| Rated Normal Current | A,r.m.s. | 2000 | 2000 | 1250 |
| Rated Frequency | Hz | 50/60 | 50/60 | 50/60 |
| Rated Power Frequency withstand Voltage :Air | kV,r.m.s. | 70 | 36 | 36 |
| Rated Impulse withstand Voltage :Air | kV, Peak | 170 | 95 | 95 |
| Rated Short circuit current (3 Phase Symmertical Basis) | kA,r.m.s. | 26.3 | 26.3 | 26.3 |
| Rated duration of short time current | Sec | 3 | 3 | 3 |
| Percentage D.C. component of Rated S.C. Breaking current | % | 50 | 50 | 50 |
| Rated Short circuit making current | kA, Peak | 67 | 67 | 67 |
| Rated Short time withstand current | kA, r.m.s. | 26.3 | 26.3 | 20/ 26.3 |
| Maximum contact Resistance at minimum closing force | micro ohms | 50 | 30 | 30 |
| Capacitor Switching capacity (single bank) | A, r.m.s. | 400 | 400 | 400 |
| Interrupter weight (Approx) | Kg | 8 | 2.9 | 2.5 |
| Moving Part Weight (Approx) | Kg | 2.3 | 0.9 | 0.9 |
| Contact force from armospheric pressure | Kg | 16.8 | 16.8 | 16.8 |
| Requirements for Usage | ||||
| Contact Stroke | mm | 20-22 | 6-8 | 6-8 |
| Opening Speed (average of 75 5 contact gap) | m/sec | 1.4-1.6 | 1.0-1.3 | 1.0-1.3 |
| Maximum over travel during opening | mm | 3 | 2 | 2 |
| Maximum rebound during opening | mm | 2 | 1 | 1 |
| Closing speed (average of last 30% contact gap) | m/sec | 0.9-1.2 | 0.7-1.0 | 0.7-1.0 |
| maximum contact bounce duration (with max 2 bounces) | Sec | 0.002 | 0.002 | 0.002 |
| Added contact force for rated S.C. making current | ||||
| (Excl.contact force from atmp. pressure), at contact touch point | Kgf | 227-249 | 227-249 | 227-249 |
| Final Force | Kgf | 230-280 | 230-280 | 230-280 |
| Life expectancy | ||||
| Electrical life at rated normal current | Operations | 20,000 | 30,000 | 30,000 |
| Electrical life at rated short circut current | Operations | 100 | 100 | 100/ 35 |
| Mechanical life | Operations | 30,000 | 30,000 | 30,000 |
| Contact Erosion Limit | mm | 3 | 3 | 3 |
| Shelf Life | Years | 20 | 20 | 20 |
| Dimensions (D��H��h) | mm | 142.5x300x24. | 114x221x159 | 91x221x159 |
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