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Technical Specifications
| Parameter Name | Value |
|---|---|
| Product Model | 1MRK002246-BE |
| Manufacturer | ABB |
| Product Type | Relay Board / Control Board |
| Typical Host System | ABB Relion® Series (RED670, REX670, REF54x) |
| Core Function | Fault Detection, Signal Processing, Phase Selection |
| Operating Temperature | -10 °C to +55 °C |
| Storage Temperature | -40 °C to +70 °C |
| Dimensions | Approx. 20 mm × 198 mm × 262 mm |
| Weight | Approx. 0.4 kg |
| Protection Class | IP20 (cabinet installation) |
| Supported Protocols | IEC 61850, Modbus, DNP3 (via host relay) |
| Mounting | Plug-in module within relay chassis |
Main Features and Advantages
Modular Architecture and Serviceability
The ABB 1MRK002246-BE is a key enabler of ABB’s modular relay design philosophy. Its plug-in form factor allows for rapid replacement in the field without requiring complex rewiring or recalibration of the entire protection system. When a failure occurs, a replacement ABB 1MRK002246-BE can restore full functionality in minutes, significantly reducing mean time to repair (MTTR). This modular approach also simplifies inventory management, as a single spare ABB 1MRK002246-BE can serve multiple compatible relay models within the Relion family.
Precision Signal Processing for Protection Logic
Engineered for high-speed fault detection, the ABB 1MRK002246-BE processes analog measurements and executes phase selection logic essential for differential and distance protection schemes. The board’s robust hardware design ensures that fault detection occurs within sub-cycle timeframes, critical for preventing equipment damage and maintaining power system stability. For transmission line applications, the ABB 1MRK002246-BE ensures reliable operation even under challenging fault conditions, such as high resistance faults or evolving faults.
Seamless Integration with Digital Substation Standards
When installed within a Relion relay, the ABB 1MRK002246-BE benefits from the host system’s communication capabilities, including support for IEC 61850, Modbus, and DNP3 protocols. This enables the protection system to interface seamlessly with modern SCADA and substation automation platforms, providing comprehensive monitoring, event recording, and remote configuration capabilities. The ABB 1MRK002246-BE thus contributes to the realization of digital substations and smart grid initiatives.
