MRM4-2 highPROTEC Series
Current-based protection and monitoring for low- and medium-voltage asynchronous motors.
Category: Safety System
Descrizione
Product overview
Built for dependable control and clear integration.
MRM4 supervises motor starting, thermal condition, stalled or locked rotor, overcurrent, earth fault and unbalanced load. Event, trend and disturbance records provide clear evidence for commissioning and fault review.
Configuration reference
Variant overview
| Variant | At Stock | Hardware | Measurement | Housing type | Communication Ports | Environment |
|---|---|---|---|---|---|---|
| MRM4-2A0AAA | NO | DI:8 DO:6 | Standard Ground Current | Housing suitable for door mounting | Without protocol | Standard |
| MRM4-2A0AAB | NO | DI:8 DO:6 | Standard Ground Current | Housing suitable for door mounting | Without protocol | Conformal Coating |
| MRM4-2A0ABA | NO | DI:8 DO:6 | Standard Ground Current | Housing suitable for door mounting | Modbus RTU, IEC 60870-5-103, DNP 3.0 RTU | RS485/terminals | Standard |
| MRM4-2A0ACA | NO | DI:8 DO:6 | Standard Ground Current | Housing suitable for door mounting | Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100 MB/RJ45 | Standard |
| MRM4-2B0AAA | NO | DI:4 DO:4 AIO 1 | Standard Ground Current | Housing suitable for door mounting | Without protocol | Standard |
| MRM4-2B0AEA | NO | DI:4 DO:4 AIO 1 | Standard Ground Current | Housing suitable for door mounting | Profibus-DP | RS485/D-SUB | Standard |
| MRM4-2B0AHA | NO | DI:4 DO:4 AIO 1 | Standard Ground Current | Housing suitable for door mounting | IEC 61850, Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100MB/RJ45 | Standard |
| MRM4-2B0AIA | NO | DI:4 DO:4 AIO 1 | Standard Ground Current | Housing suitable for door mounting | IEC 60870-5-103, Modbus RTU, DNP 3.0 RTU | RS485/terminals, Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100 MB/RJ45 | Standard |
Downloads
Technical documentation
Product specifications
- DOK-FLY-MRM4-2D.pdfDownload PDF↓
- DOK-FLY-MRM4-2E.pdfDownload PDF↓
Technical manuals
- MRM4-3.7-DE-MAN_C.pdfDownload PDF↓
- MRM4-3.7-EN-MAN_C.pdfDownload PDF↓




