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AR-8RH Relay Interface

RS-485 Relay

AR-8RH Relay Interface........$ 164.95 Quantity  

ACCESSORIES
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CO-485USB USB to RS-485 Co$ 44.95 Quantity  

/A232-422 RS-232/RS-422 Opt$ 10.95 Quantity  

/L LED Option......................$ 9.95 Quantity  

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Additional Accessories


  • Connects to USB or RS-422/RS-485 - distances to 4,000 feet - up to (32) AR-8RH units may be multi-dropped on a single pair RS-485 line.
  • Convert USB to RS-485 using the CO-485USB USB to RS-485 converter
  • May be ordered with dual interface mode allowing both RS-232, RS-422 and USB connections
  • May be connected directly to Internet or LAN using CO-LAN Ethernet to RS-232/RS-485 Device Server
  • Expandable to control up to 128 relays. Each AR-8RH may be set to the required address
  • (8) Relays, AR-8RH contacts are SPDT rated at 12 amp 250VAC
  • Available with optional LED indicator lamps for each relay (shown above)
  • Includes free Windows Desktop Control software and free Remote Network Control software (both Windows and Android)
  • Use the SW-A Load Programmer software for 7 day time control of relays
  • LabVIEW compatible, includes LabVIEW VI and graphic software example
  • Compatible with all versions of Windows and DOS including Windows 11, Windows 10, Windows 8.1, Windows 7, XP, Vista, Windows 2000 and Windows ME (and most other operating systems including Linux)
  • Source code examples included on CD in Microsoft Visual Basic, C#, C++, Python and others
  • Full technical support provided by on staff advisors
  • Cables and power supply sold separately
  • Android Compatible - Use with your Android tablet or phone - connects directly to USB port or controllable over network (Mobile, LAN, Wi-Fi or Internet)
  • Connect your AR-8 Relay Interface to your Android tablet or phone's USB port! Click the Android for more info about the free Android App...

Android Relay Interface

AR-8RH Description and Spec

AR-8RH Technical Reference

AR-8RH Remote Desktop

AR-8RH Software Download

View All Relay Products


Electronic Energy Control, Inc.
14960 Maple Ridge Rd
Milford Center OH 43045-9016

TOLL FREE (24 hour order line)
(800) 842-7714

Technical Support (937) 349-6000
Internet Email cst@eeci.com

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All Rights Reserved
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