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High Voltage AC Automatic Recloser – TE-CHZ-27/630
Key Features
- Remote signaling function: Accurately collect switch status information;
- Telemetry function: collect switch AC analog data information;
- Remote control function: support the remote control function of the remote master station;
- Over current protection: with a definite time limit and inverse time limit over current protection function;
- Grounding protection: It has the function of researching and judging small current grounding protection of different neutral point grounding systems;
- Reclosing function: parameters such as reclosing times and interval times can be set according to the user’s needs to realize the reclosing function.
TE-CHZ-27/630
High Voltage AC Automatic Recloser
Key Features
- Remote signaling function: Accurately collect switch status information;
- Telemetry function: collect switch AC analog data information;
- Remote control function: support the remote control function of the remote master station;
- Over current protection: with a definite time limit and inverse time limit over current protection function;
- Grounding protection: It has the function of researching and judging small current grounding protection of different neutral point grounding systems;
- Reclosing function: parameters such as reclosing times and interval times can be set according to the user’s needs to realize the reclosing function.
Technical Parameters
| Item | Unit | Data |
| Rated voltage | kV | 27 |
| Rated current | A | 630 |
| Rated frequency | Hz | 50/60 |
| Rated short-circuit breaking current | kA | 12.5 |
| Rated short-circuit making current (peak value) | kA | 32.5 |
| Rated short-time withstand current | kA | 12.5 |
| Rated power frequency withstand voltage (phase-to-phase/to-ground) | kV | 60 |
| Rated lightning impulse withstand voltage (phase-to-phase/to-ground) | kV | 125 |
| Nominal operating sequence | O-0. 5 s-CO- 2s- CO- 5 s-CO -Latch | |
| Rated short circuit duration | Second-rate | 3 |
| Mechanical life | – 40 ℃ to + 70 ℃ | 10000 _ |
| Degree of protection | IP65 |
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