The ABB REF610 is a compact and reliable feeder protection relay designed for medium-voltage distribution networks . As part of ABB’s Relion® 610 series, it integrates protection, measurement, and supervision functions into a single intelligent electronic device (IED).
Although considered a legacy model, it remains widely used in industrial plants, substations, and retrofit projects due to its robust design, ease of maintenance, and long-term operational stability.
Technical Specifications (Core Protection & Monitoring Capabilities) Parameter Details Model REF610 Brand ABB Product Type Feeder Protection Relay Application Medium-voltage distribution systems Protection Functions Overcurrent, earth fault, thermal overload Auto-Reclosing Multi-shot auto-reclose supported Measurement Current, load, fault recording Communication Modbus, Profibus, DNP3 (variant dependent) Auxiliary Voltage 24–250 V DC / AC (model dependent) Operating Temperature -25°C to +60°C Mounting Panel / switchgear installation
Physical Dimensions & Weight Item Specification Dimensions (W × H × D) ~210 × 160 × 150 mm Weight ~1.5 – 3.5 kg
Recommended Related Models
ABB REF615 – Next-generation feeder protection relay
ABB REM610 – Motor protection relay
ABB RET610 – Transformer protection relay
ABB REF620 – Advanced feeder protection relay
ABB COM600 – Substation automation gateway
Popular ABB Models
ABB Relion® 615 Series
ABB Relion® 620 Series
ABB Relion® 670 Series
ABB MicroSCADA Systems
ABB Ability™ Digital Substation Solutions
Applications (Reliable Protection for Distribution Networks) The REF610 is widely used in:
Medium-voltage distribution substations
Industrial power systems
Oil & gas and petrochemical plants
Power generation facilities
Marine and offshore installations
It is especially suitable for feeder protection and backup protection scenarios in legacy or retrofit systems.
Advantages (Proven Reliability & Simple Integration)
Integrated protection, monitoring, and control in one unit
Compact design suitable for retrofit projects
Plug-in module design simplifies maintenance
Supports multiple industrial communication protocols
High reliability with built-in self-monitoring
Suitable for harsh environments (industrial & offshore)
Cost-effective solution for legacy system upgrades
Technical FAQs 1. What is the REF610 used for?
2. Is REF610 still in production?
3. What protection functions does it provide?
4. Can it be used for motor or transformer protection?
5. What communication protocols are supported?
6. What is its main advantage?
7. Is it suitable for offshore applications?
8. What replaced REF610?
9. What is the operating temperature range?
10. Why is it still widely used?
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