Main technical parameters:
| Model Type | Rated Voltage | Rated Mechanical Load(KN) | Structure Height H. (mm) | Min Creepage Distance(mm) | Lightning Impulse Withstand Voltage(peak)/KV | P. F Wet Withstand Voltage(virtual value)(KV) |
| FQX1-25 | 25 | 60 | 650 | 1400 | 270 | 130 |
| FQX2-25 | 25 | 60 | 840 | 1400 | 270 | 130 |
| FQX3-25 | 25 | 60 | 930 | 1400 | 270 | 130 |
| FQX4-25 | 25 | 60 | 645 | 1400 | 270 | 130 |
| FQE1-25 | 25 | 60 | 760 | 1400 | 270 | 130 |
| PQE2-25 | 25 | 60 | 806 | 1400 | 270 | 130 |
| FQE3-25 | 25 | 60 | 836 | 1400 | 270 | 130 |
| FQE4-25 | 25 | 60 | 695 | 1400 | 270 | 130 |