MRU4-2 highPROTEC Series
Voltage and frequency protection for electrical equipment and medium-voltage systems.
Category: Safety System
Descrizione
Product overview
Built for dependable control and clear integration.
MRU4 protects assets against unsafe under-voltage, over-voltage and frequency conditions caused by network faults, load rejection or regulator problems. Its compact format and configurable functions suit grid, generator and switchgear applications.
Configuration reference
Variant overview
| Variant | At Stock | Housing type | Communication Ports | Environment |
|---|---|---|---|---|
| MRU4-2A0AAA | NO | Housing suitable for door mounting | Without protocol | Standard |
| MRU4-2A0ABA | NO | Housing suitable for door mounting | Modbus RTU, IEC 60870-5-103, DNP 3.0 RTU | RS485/terminals | Standard |
| MRU4-2A0ABB | NO | Housing suitable for door mounting | Modbus RTU, IEC 60870-5-103, DNP 3.0 RTU | RS485/terminals | Conformal Coating |
| MRU4-2A0ACA | NO | Housing suitable for door mounting | Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100 MB/RJ45 | Standard |
| MRU4-2A0ADA | NO | Housing suitable for door mounting | Profibus-DP | optic fiber/ST-connector | Standard |
| MRU4-2A0AEA | NO | Housing suitable for door mounting | Profibus-DP | RS485/D-SUB | Standard |
| MRU4-2A0AFA | NO | Housing suitable for door mounting | Modbus RTU, IEC 60870-5-103, DNP 3.0 RTU | optic fiber/ST-connector | Standard |
| MRU4-2A0AGA | NO | Housing suitable for door mounting | Modbus RTU, IEC 60870-5-103, DNP 3.0 RTU | RS485/D-SUB | Standard |
| MRU4-2A0AHA | NO | Housing suitable for door mounting | IEC 61850, Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100MB/RJ45 | Standard |
| MRU4-2A0AHB | NO | Housing suitable for door mounting | IEC 61850, Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100MB/RJ45 | Conformal Coating |
| MRU4-2A0AIA | NO | 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 |
| MRU4-2A0AKA | NO | Housing suitable for door mounting | IEC 61850, Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Optical Ethernet 100MB/LC duplex connector | Standard |
| MRU4-2A0AKB | NO | Housing suitable for door mounting | IEC 61850, Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Optical Ethernet 100MB/LC duplex connector | Conformal Coating |
| MRU4-2A0ALA | NO | Housing suitable for door mounting | Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Optical Ethernet 100MB/LC duplex connector | Standard |
| MRU4-2A0ATA | NO | Housing suitable for door mounting | IEC 60870-5-103, Modbus RTU, DNP 3.0 RTU | RS485/terminals IEC 61850, Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100 MB/RJ45 | Standard |
| MRU4-2A0ATB | NO | Housing suitable for door mounting | IEC 60870-5-103, Modbus RTU, DNP 3.0 RTU | RS485/terminals IEC 61850, Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100 MB/RJ45 | Conformal Coating |
| MRU4-2A0BAA | NO | Housing suitable for 19'' rack mounting | Without protocol | Standard |
| MRU4-2A0BBA | NO | Housing suitable for 19'' rack mounting | Modbus RTU, IEC 60870-5-103, DNP 3.0 RTU | RS485/terminals | Standard |
| MRU4-2A0BCA | NO | Housing suitable for 19'' rack mounting | Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100 MB/RJ45 | Standard |
| MRU4-2A0BHA | NO | Housing suitable for 19'' rack mounting | IEC 61850, Modbus TCP, DNP 3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100MB/RJ45 | Standard |
Downloads
Technical documentation
Product specifications
- DOK-FLY-MRU4-2D.pdfDownload PDF↓
- DOK-FLY-MRU4-2E.pdfDownload PDF↓
Technical manuals
- MRU4-3.7-DE-MAN_C.pdfDownload PDF↓
- MRU4-3.7-EN-MAN_C.pdfDownload PDF↓





