Siemens 2-fold Base unit, push-in terminals, 30 x 117mm

With the BaseUnits (BUs), the ET 200SP offers a rugged and service-friendly design with permanent wiring. No tools needed for one-handed wiring using push-in terminals.Actuation of the spring NC contacts with a standard screwdriver, with a blade width up to 3.5 mm.Outstanding access due to arrangement of measuring tap, spring NC contacts and cable entry in columns, while at the same time reducing the space required by 64%.\nFault-proof color coding of the spring NC contacts for better orientation in the terminal panel.Replacement of I/O modules during operation without affecting the wiring.Operation with module gaps (gaps without I/O module)\nAutomatic coding of the I/O modules prevents destruction of the electronics if a module is accidentally inserted in the wrong slot during replacement. The different BaseUnits (BU) facilitate the exact adaptation to the required type of wiring. This enables users to select economical connection systems for the I/O modules used for their task. The TIA Selection Tool assists in the selection of the BaseUnits most suitable for the application.