TD524M VITD 36/1250-20M
- Product Description
- Vacuum Interrupters For Circuit Breakers that we offer are safe to use in electrical appliances. We make sure that Vacuum Interrupters For Circuit Breakers that we provide have high performance and can sustain extreme temperature conditions. We source Vacuum Interrupters For Circuit Breakers from well-known vendors in the industry.
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| 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 | 1250A |
| Circuit resistance at lowest rated contact force | ≤20Micro ohms |
| Rated short-circuit breaking Current | 20kA,r.m.s |
| Rated short-time withstand current | 20kA,r.m.s |
| Rated duration of short-circuit | 4s |
| Rated peak withstand current | 50kA,r.m.s |
| Rated short-circuit making Current | 50kA,r.m.s |
| Max. Dc component | 40.00% |
| *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 |
| Rated operating sequence | O-0.3(0.5)s-CO- 180s-CO |
| Interrupter Weight(Approx.) | 4.02kg |
| Weight of movable parts | 2.0kg |
| Closing force due to bellow and atmosphere | 170±40N |
| Force required to hold contacts open at full stroke | 320±50N |
| Clearance between open contacts | 16±1mm |
| Average opening speed(average of first 75% of contact gap) | 1.5±0.3m/Sec |
| Average closing speed(average of last 30% of contact gap) | 1.1±0.2m/Sec |
| Rated added external contact final force | 2000±200N |
| Contact bouncing duration at closing operation | ≤2ms |
| Closing and Opening non-simultaneity of three-phase Contacts | ≤2ms |
| Maximum Rebound during opening | ≤2mm |
| Electrical Life at Rated Normal Current | 20,000 Operations |
| Electrical Life at Rated Short Circuit Current | 50O Operations |
| Mechanical Life | 30,000 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.
