Composite Insulators for locomotive
| Type | Rated voltage(KV) | Rated Mechanism Stretch Withstand(KN) | Struction Height(mm) | Creepage Distance(mm) | Lighting Imputse Withstand BIL(KV) | Power Frequence Withstand(wet)(KV) |
| FQX1-25 | 25 | 70 | 650 | 1400 | 270 | 130 |
| FQX2-25 | 25 | 70 | 840 | 1400 | 270 | 130 |
| FQX3-25 | 25 | 70 | 930 | 1400 | 270 | 130 |
| FQX4-25 | 25 | 70 | 645 | 1400 | 270 | 130 |
