MR-DO4 Modbus RTU actuator module with 4 relay outputs (changeover contacts) for switching motors, contactors, lamps, louvers, etc. The module is provided with a manual control for manually switching the relays. Modbus RTU, RS485 (two-wire bus), Supply voltage 20 V to 28 V AC/DC. Connection with spring clamp terminal blocks (push-in).
| Category | I/O components, Output |
| Manufacturer | METZ Connect |
| Bus | Modbus RTU |
| Digital output | 4 x relay changeover contacts (PST) |
| Switching voltage | 250 V AC |
| Continuous current | 5 A / output |
| Output / total current | 12 A across all outputs |
| Transmission rate | 1200 to 115200 baud |
| Mounting | Snap mounting on DIN rail according to DIN EN 50022 |
| EAN-No | 4250184135661 |