Schneider Electric RUMC21BD RUM Series 2CO 10A Plug-In Relay Harmony Electromechanical

The Schneider Electric RUMC21BD is a plug-in relay from the Harmony Electromechanical Relay series, delivering reliable 2CO (double changeover) switching at a rated current of 10A. Designed for industrial automation and control panel applications, the RUMC21BD offers a compact, lightweight form factor at just 86g, making it well suited for high-density panel installations where space and weight are critical considerations.

Technical Specifications

Applications & Use Cases

• Industrial Automation: Suitable for machine control circuits, PLC output interfaces, and general-purpose switching tasks in automated production environments.
• Control Panels: The plug-in mounting style simplifies installation and replacement within relay sockets on standard DIN rail-mounted control panels.
• Building & Facility Management: Used in HVAC, lighting control, and building automation systems where reliable electromechanical switching is required.
• Motor Control & Interlocking: Effective in interlocking circuits and auxiliary control loops within motor starter and protection assemblies.