Wire rope hoist contactor How does it work

  Contacts play a controlling role of  rope hoist   it shows the importance of the whole work, a brief introduction of electric hoist contactor is how it works, and in the course of precautions for your reference:
      Electric hoist contactor is to work through the magnet suction. Large contact area of   the magnet, so pay attention at work first thing to note is that non-skew, can not be jamming, and the magnet surface should be kept clean.
      Secondly; electric hoist need special inspection before use coil without no leakage, fixed is solid, arc hood required intact, no card contacts, arc suppression coil is not shorted.
     Finally guarantee contactor contacts contact width should be more than three-quarters of the contacts shall maintain adequate open distance and overtravel. Anyway, turn contactor mechanical interlock should be adjusted appropriately when a contactor contact the contact,  Wire rope hoist  another contactor contacts is not closed.