The LMK3-0.66 series is an indoor type current transformer designed to transmit measurement, protection, and control information while isolating high‑voltage circuits. It complies with GB1208‑2006 and is suitable for environments with temperatures from -5 °C to 40 °C, humidity up to 80 %, and altitudes up to 1000 m.
The manual details the transformer’s structure, working principle, technical parameters, dimensions, installation methods, usage instructions, transport and storage guidelines, warranty terms, and ordering information. This manual is written in Chinese.
| Rated voltage | 0.66 kV |
|---|---|
| Rated frequency | 50 Hz |
| Rated primary current options | 10A, 12.5A, 15A, 20A, 25A, 30A, 40A, 50A, 60A, 75A |
| Rated secondary current | 5 A |
| Secondary load power factor | 0.8 lagging |
| Rated output | 2.5 VA, 5.0 VA, 10 VA, 15 VA |
| Accuracy class | 0.1, 0.5 |
The rated voltage is 0.66 kV.
Yes, it can be installed either vertically or horizontally and fixed to a bracket with bolts.