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Harmony Electromechanical Relays Catalog

DIA5ED2130303EN | October 2025

General presentation
RSL relays for compactness

Harmony Electromechanical Relays

Used to multiply the number of input and output contacts, or for logic processing control

Harmony relays offer interface, miniature, universal, and power electromechanical relays, from 1 CO to 4 CO contacts, up to 30 A. The electromechanical relays help to reduce the size of enclosures and at the same time, increase machine reliability.

RSL relays are compact modular relays conforming to IEC/EN 61810-1, UL508, CSA C22.2 No. 14, and EAC international standards.
RSL relays for compactness

Flexible offer

  • Available as a single-referenced complete product (relay and socket) or customer-assembled product
  • Wide choice of sockets ranging from 12 to 230 VAC
  • Standard and low-level contact types

Enhanced performance

  • Sockets with integrated reverse polarity protection circuit
  • Relays for high breaking capacity or low-level current application requirements
  • Power-on and Relay status LED indicator

LED indicator for RSL relay status

Screw connector

Spring terminal

Simple installation and cabling

  • Locking/unlocking lever for removing and replacing the relay in the socket
  • Simple DIN rail mounting and commoning link accessory
  • Choice of screw connector or spring terminal connection for sockets
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