STG-500W Variable Transformer/ Variac
STG series product is designed and developed with the international advanced compensation technology. It can keep the output voltage steady state automatically when the network voltage fluctuated or the load current varied, which can ensure the consumer run smoothly.
| Input voltage | 220V |
| Output voltage | 0-300V |
| Efficiency | ＞95% |
| Waveform distortion | No additional waveform distortion |
| Temperature rise | <60℃ |
| Dielectric strength | 1500V/min |
| Insulation resistance | Single-phase >5MΩ |
| Rated capacity | 500W |
| Phase number | 1 |
| Rated frequency(Hz) | 50 |
| Rated input voltage(V) | 220 |
| Output voltage range(V) | 0~300 |
| Model | Rated capacity(W) | Phase number | Frequency(Hz) | Input voltage(V) | Output voltage(V) |
| STG-500W | 500 | 1 | 50 | 220 | 0~300 |
| STG-1000W | 1000 | 1 | 50 | 220 | 0~300 |
| STG-2000W | 2000 | 1 | 50 | 220 | 0~300 |
| STG-3000W | 3000 | 1 | 50 | 220 | 0~300 |
| STG-5000W | 5000 | 1 | 50 | 220 | 0~300 |