NEED HELP ? - Call : +44 (0)1245 428500 or email :
OFFICE HOURS : 9:00am - 5:30pm GMT/BST Monday to Friday

More Views

Elko MR-42 Memory and Latching Relays


  • Relay contacts change state on each pulse of control voltage
  • Permanent supply voltage required
  • Contact position memorized in case of supply loss
  • 2 x changeover contacts
  • Supply voltage 12…240Vac/dc


Memory, pulse relay with stepping relay function for gradual switching of lighting.

Thanks to the 2-wire parallel connection of buttons, the impulse relay will save you money and time spent on installation.
Switches lights, staircases, corridors, large rooms, control systems, automation.

Latching relays, controlled by buttons from several locations can replace three way switches or cross bar switches thanks to control by buttons (unlimited number, connected in parallel by 2 wires), installation gets more transparent and faster for mounting.

Relay MR-41/UNI, MR-42/UNI memorise its last state even after supply failure. During the failure relay will turn off and after re-energizing will automatically turns on.

- options - 2 x parallel contacts or the other relay is latching
- function selected via external jumper between B1 - B2
- output contact: 2 x changeover /SPDT 16A

Supply voltage AC 230V or AC/DC 12…240V

1-MODULE version, DIN rail mounting, controlling by buttons

Additional Information

Manufacturer Elko
Product Name / Options Price (ex VAT)
MR-42/UNI (12-240Vac/dc) Call for Prices