



The ABB REF615C_D is a dedicated configuration variant of the ABB Relion® 615 series feeder protection relay, engineered to provide fast, selective, and reliable protection for medium-voltage distribution networks.
Built on ABB’s proven protection and control platform, the REF615C_D delivers high-speed fault detection, stable coordination, and flexible communication capabilities, making it a strong fit for modern utility substations and industrial power systems. It is designed to support both traditional protection architectures and IEC 61850-based digital substations.
With its modular engineering approach and robust hardware design, REF615C_D enhances system reliability while optimizing operational efficiency and reducing outage risks in critical power distribution environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Model | REF615C_D |
| Series | Relion® 615 Series |
| Device Type | Feeder Protection & Control Relay |
| Core Functions | Protection, control, measurement, supervision |
| Auxiliary Supply | 24–250 V DC / 100–240 V AC |
| Communication Protocols | IEC 61850, Modbus RTU, Modbus TCP, DNP3 |
| Engineering Tool | ABB PCM600 |
| Display Interface | Optional graphical HMI (variant dependent) |
| Mounting Type | Panel flush mounting |
| Operating Temperature | -25°C to +70°C |
| Application Scope | Medium-voltage distribution systems |
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | 177 × 177 × 201 mm |
| Weight | Approx. 2.5 – 3.2 kg |
| Housing Type | Industrial-grade rugged enclosure |
| Installation Method | Flush-mounted panel device |
Recommended Related Models
- ABB REF615 – Standard feeder protection relay
- ABB REF615C_C – Alternative configuration variant in the same platform
- ABB REF620 – Advanced feeder protection with expanded functionality
- ABB REM615 – Motor protection and control relay
- ABB RET615 – Transformer protection relay
Popular ABB Models
- ABB REF615C_D – Configuration-specific feeder protection relay
- ABB REF615 – Widely used standard feeder protection unit
- ABB REF542plus – Substation automation and protection terminal
- ABB REL670 – High-performance transmission line protection relay
- ABB REG670 – Generator protection and control system