HGK Series AC Solid State Relays,adapting ignition-proof engineering plastic cover,unique sculpt, origina l architecture, screw thread connection, have the features of hard structure, vibration-proof capability high , input current small convenient to interface with terminals of computer and various digital tele-control circuit . This series are widely used in the fields of petrochemical equipment, foodstuff producing mechanism , packaging machines, textile and plastic mechanisms, tool numerical control, gymnasium equip . Speciality be the same with canker, aquosity request prevent explode scurvines circumstance, and ofte n switch of occasion .