Voltage relay MK 9054N The voltage relay MK 9054N of the VARIMETER series monitors single phase DC or AC voltage systems (with 1 Measuring range for AC and DC). The adjustment is made via potentiometers on the front of the device. Early recognition and preventive maintenance avoid interruptions of electrical plants and provides a higher operational and plant safety. Advantages . Protection against defect by overvoltage . Preventive maintenance . For better productivity . Quicker fault locating . Precise and reliable Features . According to IEC/EN 60255-1, IEC/EN 60947-1 . To: Monitor DC and AC . With measuring ranges from 15 mV to 500 V . High overload possible . Input frequency up to 5 kHz . Galvanic separation between auxiliary circuit – measuring ciruit . Optionally with start-up delay . With time delay, up to max. 100 sec . Optionally with remote potentiometer . As option with manual reset . Option with fixed settings possible . LED indicators for operation and contact position . As option with pluggable terminal blocks for easy exchange of devices - With screw terminals - Or with cage clamp terminals . Width 22.5 mm Technical specifications Width: 22,5mm Operate delay: Yes Enclosure design: Switch cabinet 1- / 3-phase: 1 Output contacts: 2 C/O contacts Auxiliary voltage: AC/DC Type: MK 9054N Nominal voltage max.: AC 500, DC 450V Manufacturer: E. Dold & Söhne GmbH & Co. KG Type: MK9054N.12/010 AC0,5-5V Tv=0-20S Art. No.: 0063227