| Nb of pole | 2 | 4 |
| Operational voltage(Ue) | 230V | 400V |
| Thermal current Ith (40ºC) | 63A | 63A |
| Operational frequency | 50/60Hz | 50/60Hz |
| Rated insulation voltage(Ui) | 500V | 500V |
| Rated impulse withstand voltage Uimp | 4kV | 4kV |
| Working temperature | -20ºC+50ºC | -20ºC+50ºC |
| Storage temperature | -40ºC+80ºC | -40ºC+80ºC |
