| Model | ZGS□-12 Compact Substation (American-style Substation) |
| Rated HV Side Voltage | 12kV |
| Rated LV Side Voltage | 0.4kV |
| Rated Frequency | 50Hz/60Hz |
| Transformer Capacity | 50kVA ~ 2500kVA |
| HV Circuit | Load switch + current-limiting fuse protection |
| Rated LV Side Current | Matched according to transformer capacity |
| LV Protection | Molded-case circuit breaker, optional earth leakage protection |
| Vector Group | Dyn11 |
| Degree of Protection | IP30 (enclosure) |
| Cooling Method | Oil-immersed natural cooling ONAN / optional dry-type natural cooling |
| Installation Site | Outdoor |
| Ambient Temperature | -25℃ ~ +40℃ |
| Applicable Altitude | ≤1000m (customizable for high altitude) |
| Relative Humidity | ≤90% (at 20℃, no condensation) |
| Enclosure Structure | Integrated enclosure with three compartments: HV compartment, transformer compartment, LV compartment |
| Insulation Level | Lightning impulse 75kV; power-frequency withstand 42kV |