Interface relay MK 3047 The MK 3047 is an electromechanical relay with 1 or 2 volt free contacts. it is used to interface between control circuits and load circuits (e. g. contactors or valves). When the relay is energised this is indicated by an LED. Features . According to IEC/EN 60947-5-1 . As option with 2 NO contacts or 2 NC contacts or 1 NO contact and 1 NC contact or 1 changeover contact . With LED indication . With free-wheel diode to protect the contacts . Width 22.5 mm Technical specifications Connection: Screw terminals Output contacts max.: 1 NO contact, 1 NC contact Width: 22,5mm Enclosure design: Switch cabinet Nominal voltage: DC Thermal current Ith max.: 6A Type: MK 3047 Manufacturer: E. Dold & Söhne GmbH & Co. KG Type: MK3047/002 DC24V Art. No.: 0028302