TF314QN VITF 12/630-20QN
- Product Description
- We have gained specialization in making available to the clients Vacuum Interrupter For Load Breaking Switches, which find use in diverse industrial applications. Vacuum Interrupter For Load Breaking Switches, we offer, possess high electrical endurance. The Vacuum Interrupter For Load Breaking Switches are widely preferred due to their long self-life.
| Rated Frequency | 50/60Hz |
| Rated Maximum Line to Line Voltage | 12kV,r.m.s |
| Electrical Ratings (3Phase) Symmetrical Basis | |
| Rated Frequency | 50/60Hz |
| Rated Maximum Line to Line Voltage | 12kV,r.m.s |
| Rated Power Frequency Withstand Voltage : Air | 42kV,r.m.s |
| Rated Impulse Withstand Voltage : Air | 95kV,Peak |
| Rated Normal Current | 630A |
| Maximum Contact Resistance at Minimum Closing Force | 35Micro ohms |
| Rated Short-Time Withstand Current | 20kA,r.m.s |
| Rated Duration of Short Time Current | 4s |
| Rated Peak Withstand Current | 50kA,r.m.s |
| Rated Short-Circuit Making Current | 50kA,Peak |
| Rated Active Load Breaking Current | 630A |
| Rated Closed-Loop Breaking Current | 630A |
| Rated Capacity of No-Load Transformer | 100A |
| Rated Cable-Charging Breaking Current | 10A |
| *Rated Breaking Current of Single Capacitor Bank | 400A |
| *Rated Breaking Current of Back-to-Back Capacitor Bank | 400A |
| Interrupter Weight(Approx.) | 1.55kg |
| Moving Part Weight(Approx.) | 0.78kg |
| Closing Force due to Bellow and Atmospheric | 60±30N |
| Force Required to Hold Contacts open at Full Stroke | 130±40N |
| Contact Stroke | 8±1 mm |
| Opening Speed(average of 75 contact gap) | 1.0±0.2m/Sec |
| Maximum Overtravel During Opening | 2mm |
| Maximun Rebound During Opening | 2mm |
| Closing Speed(average of last 30% contact gap) | 0.6±0.2m/Sec |
| Maximum Contact Bounse Duration(with maximum 2 bounces) | ≤2ms |
| Rated Contact Compressive Force | 1000±100N |
| Added external contact force at contact touch point | 750±80N |
| Mechanical Life | 10,000 Operations |
| Contact Erosion Limit | 3mm |
| Shelf Life | 20Years |
Note
- Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC 62271-200 and JB 8738-2008.
- * Rated Characteristics to be given on request"
