33kV 35kV 40.5kV High Voltage AC Metal-Enclosed Switchboard Distribution Panel
A 33kV / 35kV / 40.5kV high-voltage AC metal-enclosed switchboard distribution panel is an essential medium-voltage (MV) electrical assembly designed to receive, control, protect, and distribute 3-phase AC power in power plants, substations, and heavy industrial facilities
| Parameter Description | Standard Technical Range |
|---|---|
| Rated Voltage (\(U_{r}\)) | 40.5 kV (Nominal/Service Grid: 33kV, 35kV, 36kV) |
| Rated Frequency | 50 Hz / 60 Hz |
| Rated Continuous Current (Main Bus) | 630 A / 1250 A / 1600 A / 2000 A / 2500 A / 3150 A |
| Rated Continuous Current (Branch/Feeder) | 630 A / 1250 A / 1600 A / 2000 A |
| Rated Short-Time Withstand Current (\(I_{k}\) - 4s) | 25 kA / 31.5 kA / 40 kA (rms) |
| Rated Peak Withstand Current (\(I_{p}\)) | 63 kA / 80 kA / 100 kA (peak) |
| Rated Short-Circuit Breaking Capacity | 25 kA / 31.5 kA / 40 kA |
2. Insulation & Dielectric Performance
| Test Parameter | Phase-to-Earth / Phase-to-Phase | Across Open Contacts |
|---|---|---|
| 1-Min Power Frequency Withstand Voltage | 95 kV (up to 110 kV optional) | 115 kV / 118 kV |
| Lightning Impulse Withstand Voltage (1.2/50‘s) | 185 kV | 215 kV |
10,498.95 AED
10,498.95 AED
(Tax included)