AF52 Contactors Are Used For Controlling Power Circuits Up to 690 V Ac and 220 V DC. They Are Mainly Used For Controlling 3-Phase Motors, Non-Inductive or Slightly Inductive Loads. Af... Contactors Include An Electronic Coil Interface Accepting A Wide Control Voltage Uc Min. ... Uc Max. Only Four Coils Cover Control Voltages Between 24...500 V 50/60 HZ or 20...500 V DC. Af Contactors Can Manage Large Control Voltage Variations. One Coil Can Be Used For Different Control Voltages Used Worldwide Without Any