The contactor programme CI 141-180 consists of one frame size with three NO main contacts and one 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. By replacing contacts, wire separation from terminals is not necessary. A long electrical lifetime makes the CI 141-180 contactors suitable for operation of all kinds of electrical loads in modern industry. Combined with a thermal overload relay or an electronic motor protection relay, the contactor switches and protects induction motors against overload and asymmetric load. A wide range of clip-on aux. contacts, timers, surge suppressors, mechanical interlock and marking plates makes the CI 141-180 programme very flexible and suitable both for OEMs and panel builders.