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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 changeover contacts
  • Supply voltage 12-240Vac/dc


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 memorize 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 16 A

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

1-MODULE version, DIN rail mounting, controlling by buttons
Product Name / Options Price (ex VAT)
MR-42/UNI (12-240Vac/dc) Call for Prices