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Product Name: TF314V Vacuum Interrupter Hit: 1189 Category name: Vacuum Interrupter Model: VITF 12/630-20V [Back]
Product Description
| ELECTRICAL RATINGS(3PHASE) SYMMETRICAL BASIS | |
| 1.Rated frequency | 50/60Hz |
| 2.Rated Voltage | 12kV,r.m.s |
| 3.Rated short-time power-frequency withstand voltage (1 min) | 42kV,r.m.s |
| 4.Rated lightning impulse withstand voltage | 95kV,Peak |
| 5.Rated Current | 630A |
| 6.Maximum Contact Resistance at Minimum Closing Force | ≤35Micro ohms |
| 7.Rated short-time withstand current | 20kA,r.m.s |
| 8.Rated duration of short-circuit | 4s |
| 9.Rated peak withstand current | 50kA,r.m.s |
| 10.Rated short-circuit making Current | 50kA,r.m.s |
| 11.Rated active load breaking current | 630A |
| 12.Rated closed-loop breaking current | 630A |
| 13.Rated capacity of no-load transformer | 1250kVA |
| 14.Rated cable-charging breaking current | 10A |
| 15.*Rated breaking current of single capacitor bank | 400A |
| 16.*Rated breaking current of back-to-back capacitor bank | 400A |
| MECHANICAL DATA | |
| 1.Interrupter Weight(Approx.) | 1.81kg |
| 2.Weight of movable parts | 0.54kg |
| 3.Closing force due to bellow and atmosphere | 70±30N |
| 4.Force required to hold contacts open at full stroke | 130±50N |
| MECHANICAL REQUIREMENTS(REF. LBS) | |
| 1.Clearance between open contacts | 9±1mm |
| 2.Average opening speed(average of first 75% of contact gap) | 1.2±0.2m/s |
| 3.Average closing speed(average of last 30% of contact gap) | 0.6±0.2m/s |
| 4.Rated added external contact final force | 1000±100N |
| 5.Added external contact force at contact touch point | 750±80N |
| 6.Contact bouncing duration at closing operation | ≤2ms |
| 7.Closing and Opening non-simultaneity of three-phase Contacts | ≤2ms |
| 8.Maximum Rebound during opening | ≤2ms |
| LIFE | |
| 1.Storage life | 20years |
| 2.Mechanical endurance | 10000Operations |
| 3.Contacts limit erosion | 3mm |
| 1.Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC 62271-200 and JB 8738-2008. 2.* Rated Characteristics to be given on request |
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