| Categories | MCCB |
| Model | GKM1 |
| Rack rated current (A) | 63,100,160,250,400,630 |
| Rated working voltage (V) | AC400V |
| Rated insulation voltage (V) | 690V,800V |
| Altitude 2000m and below | Pollution degree 3 |
| Can withstand the effects of humid air | Can withstand the effects of salt spray and oil mist |
| Can withstand the effects of mold | Maximum inclination is |