The contactor programme CI210 EI - 420 EI consist of one frame size. The seriesare 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 CI210 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 CI210 EI - 420 EI programme very flexible and suitable both for OEMs and panel builders.