The Schneider Electric RUMC31BD is a high-performance Harmony RUM series universal plug-in relay engineered for industrial automation, machine control, PLC interfacing, and electrical control panel applications. Featuring an 11-pin plug-in configuration with a 24VDC control coil and 3 changeover (3CO / 3PDT) contacts, the relay provides flexible switching capability for multiple control circuits. Its compact plug-in design enables quick installation and easy replacement using compatible relay sockets such as the Schneider RUZC3M. The relay includes a lockable test button for maintenance and troubleshooting without energizing the control circuit. Designed for reliable operation under demanding industrial conditions, the RUMC31BD offers long mechanical life, high switching performance, and dependable signal isolation for automation systems, motor controls, process equipment, and industrial machinery.
Product Specifications
| Specification | Details |
| Brand | Schneider Electric |
| Model | RUMC31BD |
| Series | Harmony RUM |
| Product Type | Plug-In Relay |
| Relay Type | Universal Control Relay |
| Pin Configuration | 11 Pin |
| Contact Configuration | 3 C/O (3PDT) |
| Coil Voltage | 24V DC |
| Contact Rating | 10 A |
| Maximum Switching Voltage | 250V AC / 28V DC |
| Maximum Switching Capacity | 2500 VA / 280 W |
| Coil Power Consumption | 1.4 W |
| Coil Resistance | 470 Ω |
| Mounting Type | Plug-In Socket Mount |
| Compatible Socket | RUZC3M |
| Control Feature | Lockable Test Button |
| Contact Material | Silver Nickel (AgNi) |
| Operate Time | 20 ms |
| Release Time | 20 ms |
| Mechanical Durability | 5 Million Operations |
| Electrical Durability | 100,000 Cycles |
| Operating Temperature | -40°C to +55°C |
| Protection Category | RT I |
| Application | PLC Panels, Automation, Control Systems |
| Country of Brand Origin | France |
