Tavrida Electric Withdrawable Vacuum Circuit Breakers
Withdrawable VCB Series - Technical Details
| Rated Data | VCB15_MD_16D | VCB15_HD_16D | CR15_MD1_16D |
|---|---|---|---|
| Rated voltage (Ur) | 15 kV | ||
| Rated continuous current (Ir) | 1250 A |
2000 A1 3150 A2 |
1250 A |
| Rated power frequency withstand voltage (Ud) | 38 (42)3 kV | ||
| Rated lightning impulse withstand voltage (peak) (Up) | 95kV | ||
| Rated short-circuit breaking current (Isc) | 31.54 kA | ||
| Rated peak withstand current (Ip, close and latch) | 82 kA | ||
| Rated short-time withstand current, 4s (Ik) | 31.5 kA | ||
| Rated frequency | 50-60Hz | ||
| Switching Performance | VCB15_MD_16D | VCB15_HD_16D | CR15_MD1_16D |
|---|---|---|---|
| Mechanical life (CO cycles) | 30 000 | ||
| Number of operated-isolated operations | 500 cycles | ||
| Maximum number of CO-cycles per hour | 60 | ||
| Operating cycles, rated-short circuit breaking current | 50 | ||
| Closing time | ≤ 60 ms5 | ||
| Opening time | ≤ 35 ms5 | ||
| Break time | ≤ 45 ms5 | ||
| Rated operating sequence at rated normal current | O-0.3s-CO-10s-CO-10s-CO8 | ||
| Rated operating sequence at rated short-circuit breaking current | O-0.3s-CO-15s-CO | ||
| Standarts | VCB15_MD_16D | VCB15_HD_16D | CR15_MD1_16D |
|---|---|---|---|
| Design class of switching module with regard to severity of service conditions in accordance with IEC 60932 | Class 0 | ||
| International testing standards | IEC 62271-100, GB 1984- 2003 | ||
| Other Data | VCB15_MD_16D | VCB15_HD_16D | CR15_MD1_16D |
|---|---|---|---|
| Resistance of main circuit | ≤ 30 μOhm |
≤ 25 μOhm6 ≤ 20 μOhm |
≤ 30 μOhm |
| Type of driving mechanism | Monostable magnetic actuator | ||
| Weight |
72-74 kg (158,73-163,14lbs) |
127-157 kg (279.99-346,13lbs) |
143kg 9 . 159kg10 (315,26lbs9. 350,53lbs10) |
| Auxiliary contacts | VCB15_MD_16D | VCB25_HD_16D | CR15_MD1_16D |
|---|---|---|---|
| Number of available auxiliary contacts | 6 NO + 6 NC | ||
2 For PCD 275 mm.
3 The information in brackets refers to the national Chinese standards GB1984-2003 at an installation altitude of 1000 m maximum.
4 FAt 40% d.c. component.
5 Smaller timing on reques.
6 For 2000 A.
7 For 3150 A.
8 The number of sequential Close-Trip operations with a 10 second interval should not exceed 10. The number of Close-Trip operations should not exceed 60 per hour. Sequence of 10s Close-Trip operations can be repeated only after 260 s pause.
9 For PCD 150 mm.
10 For PCD 210 mm.
Tavrida Withdrawable VCB series – Weight and Dimensions
15 kV Withdrawable VCB15_MD_16D Series
15 kV Withdrawable VCB15_HD1_16D Series
15 kV Withdrawable CR15_MD1_16D Series
Tavrida VCB series - Documentation
Technical Manuals
Booklets
