The ABB RED615 belongs to the Relion® 615 series, offering advanced line differential protection and control. Engineers deploy this relay in radial, looped, and meshed distribution networks. Unlike conventional relays, the RED615 ensures interoperability by supporting IEC 61850 standards, making it a reliable solution for both utility and industrial power systems.
Hardware Design and Dimensions
The ABB RED615 combines compact design with modular flexibility. Its withdrawable-unit structure simplifies installation and maintenance, while robust construction ensures long-term reliability.
| Parameter | Frame | Case | Depth |
|---|---|---|---|
| Width | 177 mm | 164 mm | – |
| Height | 177 mm (4U) | 160 mm | – |
| Depth | – | – | 201 mm (153+48 mm) |
| Weight | 4.1 kg (complete), 2.1 kg (plug-in unit only) |
Auxiliary Voltage and Power Supply
The RED615 supports multiple auxiliary voltage options, ensuring compatibility with diverse grid conditions. Furthermore, engineers benefit from fast response and stable performance.
- Nominal Voltage: 100, 110, 120, 220, 240 V AC
- DC Options: 24, 30, 48, 60 V DC
- Interruption Time: ≤50 ms at DC voltage
- Ripple in DC Supply: Max 15% at 100 Hz
- Fuse Type: T4A / 250 V
Environmental Conditions
The ABB RED615 withstands demanding operating environments, making it suitable for both indoor and outdoor substations.
- Operating Temperature: -25…+55°C (continuous)
- Short-Term Temperature: -40…+70°C (<16h)
- Storage Temperature: -40…+85°C
- Humidity: <93%, non-condensing
- Altitude: ≤2000 m
- Atmospheric Pressure: 86…106 kPa
Key Features
The ABB RED615 offers comprehensive functionality to support critical grid operations.
- Communication Protocols: IEC 61850 Edition 2, Modbus®, DNP3, IEC 61850-9-2 LE
- Flexible Configuration: Multi-layer logic functions with PCM600 software
- Wide Application Range: Protection for overhead lines and cable feeders in isolated, resistance-grounded, compensated, or solidly grounded networks
- Backup Protection: Current-based backup for downstream relays and voltage-based local backup functions
Applications and Compatibility
The ABB RED615 provides differential protection for lines, including those with transformers inside the zone. In addition, it suits networks with or without distributed generation, offering precise fault detection and dependable system control. Engineers integrate the RED615 seamlessly into IEC 61850-compliant automation systems, ensuring high compatibility and interoperability.
Details
| Weight | 4.1 kg |
|---|---|
| Dimensions | 177 × 177 × 201 mm |
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