Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Horner Automation
Manufactured by Horner Automation, the HE179DQM803-A is a Micro IO Relay Module belonging to the Micro IO Relay Module product family as detailed in the official Horner Automation US catalog reference number MAN1523. Documentation and installation instructions for this unit are available via the provided quick reference guide download link. Submit the exact part number, quantity, and application requirements to request a formal quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Horner Automation references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Horner Automation HE179DQM803-A. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.