| Model | Type | Specification |
| NU6-II/NXU-I+II | 2 Pole | Max operated Volt: 380V/460V Nominal Discharge current: 40kA |
| NU6-II/NXU-I+II | 2 Pole | Max operated Volt: 380V/440V Nominal Discharge current: 40kA |
| NU6-II/NXU-I+II | 4 Pole | Max operated Volt: 415V/440V Nominal Discharge current: 40kA |
| NU6-II/NXU-I+II | 4 Pole | Max operated Volt: 415V/460V Nominal Discharge current: 40kA |
| NU6-II/NXU-I+II | 4 Pole | Max operated Volt: 415/460V Nominal Discharge current: 65kA |
