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Dehler
The cabinet frame is fabricated from aluminum-zinc coated steel sheet via CNC equipment and laser cutting processes. Adopting a fully assembled structure with no welding points whatsoever, the cabinet features high precision, high strength, corrosion resistance, light weight and excellent universality.
| Rated Voltage | 12 kV |
| Rated Lightning Impulse Withstand Voltage | 75 kV (phase-to-phase/earth), 85 kV (fracture) |
| Power Frequency Withstand Voltage (1 min) | 42 kV (phase-to-phase/earth), 48 kV (fracture) |
| Rated Frequency | 50/60 Hz |
| Rated Current | 630 A (Main and Branch busbar) |
| Rated Short-Time Withstand Current | 20 kA/3 s (Main); 20 kA/2 s (Earthing) |
| Rated Peak Withstand Current | 50 kA |
| Transfer Current | 1700 A |
| Protection Class | IP2X |
| Mechanical Life | 2000 operations (Load & Earthing Switches) |
| Altitude | Up to 1000 m |
| Ambient Temperature | -5°C to +40°C |
| Relative Humidity | ≤90% (at 15°C) |
| Seismic Resistance | Horizontal: 0.4g / Vertical: 0.2g |