The document introduces the features and characteristics of the intelligent electric actuators produced by WenZhou HuaKong Science and Technology Co., LTD.
Hurko's intelligent electric actuators are designed for use in power stations, petrochemical plants, paper‑making, water treatment and other industrial applications. The HKM, HKC and HKJ/HKJM ranges offer high precision, low price and robust construction with options such as double‑sealed IP68 enclosures and anti‑explosion ratings.
This manual covers the full product lifecycle: selecting the appropriate actuator, detailed installation and debugging steps, wiring diagrams, control modes, operation procedures, alarm handling, routine maintenance, battery replacement and important safety notices. Technical parameters, performance data and optional accessories are also listed.
| Input signal range | 4 mA – 20 mA; 1 V DC – 5 V DC |
|---|---|
| Power supply | 380 V AC / 50 Hz; 220 V AC / 50 Hz |
| Accuracy | ≤ 1 % |
| Enclosure rating | IP68 |
| Operating temperature | -40 °C – +70 °C |
The actuator accepts current signals from 4 mA to 20 mA or voltage signals from 1 V DC to 5 V DC.
It can be powered from either 380 V AC / 50 Hz or 220 V AC / 50 Hz.
The actuator is rated IP68, providing dust‑tight protection and resistance to water immersion.
It operates from –40 °C up to +70 °C.