Interface contactors, type CI 170 EI - 420 EI

For all kinds of electrical loads in modern industry

  • Compact design
  • Screw mounting
  • Power range 95 kW to 250 kW
  • Basic modules with built-in aux. contacts
  • Electronic control of switching coil voltage
  • Wide voltage range
  • Dual frequency coil at 50-60 Hz as standard
  • Integrated interface relay for PLC application
The contactor programme CI 170 EI - 420 EI is based on two frame sizes. The small frame size is used by CI 170 EI (95 kW), and the CI 420 EI range (118-238 kW) uses the large frame size. Both are equipped with three NO main contacts and an auxiliary contact block with one NO and one NC auxiliary contact. Spare contacts are available and by maintenance, the moveable system blocks when removing the chamber.

The factory setting makes the contactors operate as standard conventional contactors, but for PLC application, the built-in interface relay can be activated. A long electrical lifetime makes the CI 170 EI - 420 EI contactors suitable for operation of all kinds of electrical loads in modern industry.

A wide range of clip-on aux. contacts, timers, surge suppressors, mechanical interlock and marking plates makes the CI 170 EI - 420 EI programme very flexible and suitable both for OEMs and panel builders.