This vacuum interrupter is designed for 36KV-630A-20KA vacuum circuit breakers; for the outline drawing, please contact me NOW.
CERAMIC VACUUM INTERRUPTER FOR CIRCUIT-BREAKER
MAIN TECHNICAL DATA TYPE: TD-36/630-20(2333-G)
Data | Unit | Value |
Rated Voltage | kV | 36 |
Lightning Impulse Withstand Voltage (Peak) | kV | 170 |
Short-time (1min) Power-frequency Withstand Voltage | kV | 70 |
Rate Frequency | Hz | 50/60 |
Rated Current | A | 630 |
Rated Short-time Withstand Current | kA | 20 |
Rated Duration of Short-circuit | s | 3 |
Rated Peak Withstand Current | kA | 50 |
Rated Short-circuit Making Current | kA | 50 |
Rated Short-circuit Breaking Current | kA | 20 |
Max. Dc component |
| 35% |
Switch Operations of Rated Short-circuit Breaking Current | Operations | 20 |
Rated Single Capacitor Bank Breaking Current | A | 400 |
Rated Back-to-back Capacitor Bank Breaking Current | A | 400 |
Mechanical Endurance | Operations | 10000 |
Clearance Between Open Contacts | mm | 17±1 |
Contact Closed Force Due to Bellows and Atmosphere | N | 100±40 |
Counterforce of Contact at Full Stroke | N | 180±30 |
Circuit Resistance at Min. Rated Contact Force | μΩ | ≤25 |
Contact Limit Erosion | mm | 3 |
Mass of Moving Parts | kg | 1.2 |
Internal Gas Pressure | Pa | <1.33×10-3 |
Shelf Life | Year | 20 |
Rated Operating Sequence | O 0.3s - CO 180s CO | |
MECHANICAL DATA OF VACUUM SWITCH EQUIPPED WITH THE INTERRUPTERS
Data | Unit | Value |
Average Opening Speedfirst 6mm | m/s | 1.6±0.3 |
Average Closing Speedlast 6mm | m/s | 1.3±0.3 |
Contact Bounce Duration at Closing Operation | ms | ≤3 |
Out of Simultaneity of Contact Closing and Opening | ms | ≤2 |
Rated Contact Pressure | N | 22002500 |
Max. rebound of contact at opening Operation | mm | 3 |
Overtravel during Opening | mm | ≤2 |
Note 1: Rated characteristics to be given on request;
2: Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC 62271-100 and GBA1984-2003
vacuum interrupter
