The ABB REF615 (specifically the DSF615BJ1E configuration) is a dedicated feeder protection relay designed for the protection, control, measurement, and supervision of utility substations and industrial power systems. As part of the Relion 615 series, it offers optimized standard configurations for overcurrent and earth-fault protection, supporting both Ethernet-based and serial communication protocols including IEC 61850.
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Product Specifications
| Feature | Details |
| Model Name | REF615 (DSF615BJ1E) |
| Product ID | 1VH991012322 |
| Country of Origin | Finland |
| Main Application | Feeder Protection (Overcurrent/Earth-Fault) |
| Nominal Frequency | 50/60 Hz |
| Auxiliary Voltage | 48-250V DC / 100-240V AC |
| Dimensions (WxHxD) | 177 x 177 x 201 mm |
| Net Weight | 3.5 kg |
| Communication | IEC 61850, Modbus, DNP3, IEC 60870-5-103 |
Operational & Testing Precautions
- Secondary CT Injection: During testing, ensure the relay is isolated from the primary circuit. Use a dedicated test switch (such as the ABB RTXP) to safely inject secondary current without risk to the transformer.
- Binary I/O Verification: Confirm the mapping of binary inputs and outputs in the PCM600 software before testing trip logic to avoid accidental operation of upstream breakers.
- HMI Protection: The integrated LCD screen and navigation keys are sensitive; avoid using tools to press buttons. Use only fingers or approved styluses.
- Firmware Sync: Before uploading a new configuration during testing, verify that the version of the Connectivity Package in your PC matches the relay’s internal firmware.
FAQ (Questions & Answers)
Q: What does the “DSF” prefix in the configuration code signify? A: This defines the specific standard configuration, typically indicating a feeder protection setup with specific hardware for current and voltage measurement.
Q: Does this relay support Arc Flash protection? A: Yes, many REF615 variants, including the 615 series platform, can be equipped with optional light-sensing channels for ultra-fast arc fault detection.
Q: Can I use the REF615 for motor protection? A: While the REF is optimized for feeders, the REM615 is the dedicated model for motor protection. However, some basic motor functions can be configured in the REF series depending on the hardware build.
Similar Relion 615 Series Models
- REM615 (1VH991012323): Specialized Motor Protection and Control IED.
- RET615 (1VH991012324): Dedicated Transformer Protection and Control IED.
- RED615 (1VH991012325): Line Differential Protection and Control IED.
- REU615 (1VH991012326): Voltage and Frequency Protection IED.
- REV615 (1VH991012327): Capacitor Bank Protection and Control IED.
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