Schneider Electric RUM Series Universal 10A Plug-In Relays – Schneider Electric RUMC31BD, A 24V DC 3PDT relay from the Schneider Electric Zelio RUM series. This universal electromechanical plug-in relay is designed for high rated current use. Ideal for use in industrial machines, building machinery, medical equipment, packaging machines, textile machines, HVAC, etc. Schneider Electric RUMC31BD 3PDT 10A Relay 24VDC