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Zelio Plug-in Relays

A complete range of general purpose industrial relays, sockets and accessories

Part of Harmony

Zelio™ plug-in relays optimize design flexibility, expedite installation and simplify maintenance with 8 to 30 A load ratings, multiple contact sets, signature full-feature covers and UL Listing.

Zelio Plug-in Relays
  • Features

    Find Your Local Distributor (select High-Tech Distributors (ACE) from Choose an Activity drop down menu).Find Your Local Distributor

    Six product families
    Zelio RSL
    slim interface relays
    Zelio RSB
    interface relays
    Zelio RXM
    miniature relays
    Zelio RUM
    universal relays
    Zelio RPM/RPF
    power relays
    Zelio RPF
    power relays


    Differentiated features and benefits:
    • Gold-flash contacts
    • Multiple-pole contact options for simultaneous control of separate, individual circuits
    • Signature full-feature covers
      • Test button allows users to check circuits for proper operation.
      • Lock-down door holds contacts in place to test circuits during maintenance
      • Standard mechanical flag indicates relay status.
      • Optional bipolar LED indicates operation when relay is energized.
    • UL Listing to expedite certification
    • Mounting options
      • Wide selection of sockets with mixed or separate coil & contact terminals
      • DIN rail mounting adapters
      • Panel mounting adapters


    • Industrial machines
    • Packaging machines
    • Textile machines
    • HVAC
    • Conveyance Lines
    • Food and Beverage
    • Automation Control Panels
    • Low / Medium Voltage Switchgear
    • Motor Controls
    • Compressor and Blower Controls
    • PLC Interfaces
    • Power Supplies
    • Pumping
    • Building or medical equipment
    • Lighting Controls
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