| Overall System | HV Rated Voltage | 12kV; LV rated voltage: 0.4kV (400V) |
| Overall System | Rated Frequency | 50Hz/60Hz |
| Overall System | Transformer Capacity Range | 50kVA ~ 2500kVA (commonly: 315/400/500/800/1000/1250/1600kVA) |
| Overall System | Enclosure Degree of Protection | IP33D (outdoor rain-proof, dust-proof, anti-small-animal) |
| Overall System | Layout Structure | Inline layout (HV–Transformer–LV in a row) and triangular (Pin-shaped) layout, two types |
| Overall System | Operating Altitude | ≤2500m, ambient temperature: -40℃ ~ +40℃ |
| HV Compartment (12kV) | Insulation Withstand (1min Power-frequency) | 42kV to ground / phase-to-phase, 48kV across open contact |
| HV Compartment (12kV) | Lightning Impulse Withstand Voltage | 75kV to ground / phase-to-phase, 85kV across open contact |
| HV Compartment (12kV) | Equipped Components | Ring main load switch, current-limiting fuse, earthing switch, arrester, PT metering |
| HV Compartment (12kV) | Short-time Withstand Current | 20kA, 25kA, 31.5kA (2s/4s) |
| Transformer Unit | Transformer Type | S11/S13 oil-immersed (standard); dry-type transformer optional |
| Transformer Unit | Impedance Voltage | 4% (≤1000kVA), 6% (≥1250kVA) |
| Transformer Unit | Cooling Method | Natural air cooling (AN); axial fans for forced cooling available for large capacity |
| LV Compartment (0.4kV) | LV Main Switch Current | 400A ~ 3200A |
| LV Compartment (0.4kV) | LV Short-time Withstand Current | 15kA, 25kA, 30kA |
| LV Compartment (0.4kV) | Outgoing Circuits | 4 ~ 12 molded-case circuit breaker outgoing circuits |
| LV Compartment (0.4kV) | Reactive Power Compensation | 0 ~ 400kvar dynamic capacitor compensation device |
| Enclosure Body | Enclosure Material | Hot-dip galvanized steel sheet, galvanized color steel sheet, landscape ceramic-like decorative panel |
| Enclosure Body | Noise Reduction Index | Noise ≤55dB at 1m from enclosure |
