Dear friends:
1.The electromagnet requires direct contact that with no distance;
2.Please use regular magnetizer;
3.Adsorption area should smooth and can't be too large;
4.The electromagnet only suitable for intermittent work, such as 1 seconds on and 1 seconds off. It's okay to work like this all day.
5.All of the electromagnet will raise the temperature when it's worked,don't worry, the temperature rises to a certain temperature, it will be stable.Of course,fast cooling environment is more conducive to service life.