Dold Industries Ltd

11 Hamberts Rd. Blackall Ind. Estate
South Woodham Ferrers
GB-Essex, CM3 5UW
MK 9054N

Voltage relay, over-/undervoltage

MK 9054N


Auxiliary voltage

Measuring range

Switching delay

Response delay

Terminal type



  • 0063227
  • MK9054N.12/010 AC0,5-5V Tv=0-20S

Technical specifications

Enclosure design: Switch cabinet
Width: 22,5 mm
Operate delay: +
1- / 3-phase: 1
Output contacts: 2 Wechsler
Auxiliary voltage required: +
Type: MK 9054N
Measuring range max.: AC/DC 500 V


  • Protection against defect by overvoltage
  • Preventive maintenance
  • For better productivity
  • Quicker fault locating
  • Precise and reliable


  • 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