Dold Industries Ltd

11 Hamberts Rd. Blackall Ind. Estate
South Woodham Ferrers
GB-Essex, CM3 5UW
MK 7851N

Flasher relay

MK 7851N


Nominal voltage

Pulse time

Terminal type

Approvals and Markings


  • 0069427
  • MK7851N.82 AC/DC12-240V 0,05S-300H
Time-dependent controllers more

Product description

Time-dependent controllers

Technical specifications

Width: 22,5 mm
Time function(s): Flasher relay
Nominal voltage: AC/DC
Time range: 0,05 s - 300 h
Output contacts: 2 C/O contacts
Enclosure design: Switch cabinet
Type: MK 7851N


  • 8 time ranges in one unit
  • Simplified storage
  • Fast and accurate setting of long times


  • Symmetrical flasher relay according to IEC/EN 61812-1
  • 8 time ranges from 0.05 s to 300 h selectable via rotational switches
  • Selectable start with impulse or break
  • Voltage range AC/DC 12 ... 240 V
  • Adjustment aid for quick setting of long time values
  • Suitable for 2-wire proximity sensor control
  • LED indicators for operation, contact position and time delay
  • 2 changeover contacts
  • Wire connection: Also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid DIN 46228-1/-2/-3/-4
  • As option with pluggable terminal blocks for easy exchange of devices
    - With screw terminals
    - Or with cage clamp terminals
  • 22.5 mm width