| VD4 Series 24kV Technical Parameter Table | |||||||||||
| Technical parameters | 24 kV series | ||||||||||
| Rated voltage (Ur) | 24 kV | ||||||||||
| Power frequency withstand voltage (Ud) | 50 kV (1 minute) | ||||||||||
| Lightning impulse withstand voltage (Up) | 125 kV | ||||||||||
| Rated frequency (fr) | 50/60 Hz | ||||||||||
| Rated current (Ir) | 630 A, 1250 A, 1600 A, 2000 A, 2500 A | ||||||||||
| Rated breaking current (Isc) | 16 kA, 20 kA, 25 kA | ||||||||||
| Rated short-time withstand current (Ik) | 16 kA, 20 kA, 25 kA | ||||||||||
| Rated peak withstand current (Ip) | 40 kA, 50 kA, 63 kA | ||||||||||
| Operation sequence | O-0.3s-CO-3min-CO | ||||||||||
| Opening time | ≤ 45 ms | ||||||||||
| Closing time | ≈ 60 ms | ||||||||||
| Opening and closing time | ≤ 60 ms | ||||||||||
| External dimensions (H×W×D) (typical values for a single unit) |
Not applicable (data based on complete switch cabinet) | ||||||||||
| Reference weight | Approximately 162-173 kg (per unit) | ||||||||||
| Size |
| Standard VD4 24kV Complete Model List | |||||||||||
| The 24kV VD4 standard series covers the following specifications: | |||||||||||
| 1. 630A specification (current code 06) | |||||||||||
| Breaking current | Phase spacing | Handcart model | Fixed model | ||||||||
| 25 kA | P210 | VD4/P 24.06.25 P210 | VD4 24.06.25 P210 | ||||||||
| 25 kA | P275 | VD4/P 24.06.25 P275 | VD4 24.06.25 P275 | ||||||||
| 31.5 kA / 32 kA | P275 | VD4/P 24.06.32 P275 | VD4 24.06.32 P275 | ||||||||
| 2. 1250A specification (current code 12) | |||||||||||
| Breaking current | Phase spacing | Handcart model | Fixed model | ||||||||
| 25 kA | P210 | VD4/P 24.12.25 P210 | VD4 24.12.25 P210 | ||||||||
| 25 kA | P275 | VD4/P 24.12.25 P275 | VD4 24.12.25 P275 | ||||||||
| 31.5 kA / 32 kA | P210 | VD4/P 24.12.32 P210 | VD4 24.12.32 P210 | ||||||||
| 31.5 kA / 32 kA | P275 | VD4/P 24.12.32 P275 | VD4 24.12.32 P275 | ||||||||
| 3. 1600A specification (current code 16) | |||||||||||
| Breaking current | Phase spacing | Handcart model | Fixed model | ||||||||
| 25 kA | P275 | VD4/P 24.16.25 P275 | VD4 24.16.25 P275 | ||||||||
| 31.5 kA | P275 | VD4/P 24.16.32 P275 | VD4 24.16.32 P275 | ||||||||
| 4. 2000A specification (current code 20) | |||||||||||
| Breaking current | Phase spacing | Handcart model | Fixed model | ||||||||
| 25 kA | P275 | VD4/P 24.20.25 P275 | VD4 24.20.25 P275 | ||||||||
| 31.5 kA | P275 | VD4/P 24.20.32 P275 | VD4 24.20.32 P275 | ||||||||
| 5. 2500A specification (current code 25) | |||||||||||
| Breaking current | Phase spacing | Handcart model | Fixed model | ||||||||
| 25 kA | P275 | VD4/P 24.25.25 P275 | VD4 24.25.25 P275 | ||||||||
| 31.5 kA | P275 | VD4/P 24.25.32 P275 | VD4 24.25.32 P275 | ||||||||
| 6. 3150A specification (current code 32) | |||||||||||
| Breaking current | Phase spacing | Handcart model | Fixed model | ||||||||
| 25 kA | P275 | VD4/P 24.32.25 P275 | VD4 24.32.25 P275 | ||||||||
| 31.5 kA | P275 | VD4/P 24.32.32 P275 | VD4 24.32.32 P275 | ||||||||
