The ABB REF615 is a high-performance feeder protection and control relay from the renowned ABB Relion® 615 series, designed to deliver reliable, fast, and selective protection for utility distribution networks and industrial power systems.
Engineered with ABB’s proven protection technology, REF615 combines advanced fault detection, real-time monitoring, and flexible communication capabilities in a compact and intelligent design. It is widely deployed in modern substations and industrial power distribution environments where system stability, operational safety, and fast fault isolation are critical.
With full support for digital substation standards, REF615 is a future-ready solution that bridges traditional protection systems with smart grid infrastructure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Series | Relion® 615 Series |
| Product Type | Feeder Protection and Control Relay |
| Main Function | Protection, control, measurement, supervision |
| Rated Auxiliary Voltage | 24–250 V DC / 100–240 V AC |
| Communication Protocols | IEC 61850, Modbus RTU, Modbus TCP, DNP3 |
| HMI Display | Optional graphical interface (variant dependent) |
| Mounting Type | Panel flush mounting |
| Operating Temperature Range | -25°C to +70°C |
| Configuration Tool | ABB PCM600 |
| 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 |
| Enclosure Protection | Industrial-grade rugged housing |
| Installation Type | Panel-mounted relay unit |
Recommended Related Models
- ABB REF610 – Basic feeder protection relay for standard applications
- ABB REF620 – Enhanced feeder protection with extended functionality
- ABB REM615 – Dedicated motor protection and control relay
- ABB RET615 – Transformer protection relay for power systems
- ABB REX640 – Advanced protection platform for complex power grids
Popular ABB Models
- ABB REF615 – Widely used feeder protection relay platform
- ABB REF542plus – Substation automation and protection terminal
- ABB REL670 – High-performance transmission line protection relay
- ABB REG670 – Generator protection and control system
- ABB RET670 – Transformer protection and monitoring relay
