Basic Information

• Product Model: ABB REX610
• Product Category: Industrial Relay Protection & Control Device (Feeder Protection Relay)
• Manufacturer: ABB Power Grids
• Application Scope: Medium-voltage power distribution networks (6–36 kV), used for protection, control, measurement, and monitoring of feeders, transformers, and motors

Technical Specifications

1. Operating Voltage: AC/DC 110–240 V (power supply), 100 V AC (voltage input), 1 A/5 A AC (current input)
2. Protection Functions: Overcurrent, earth fault, overvoltage, undervoltage, thermal overload, etc.
3. Communication Protocol: IEC 61850, Modbus TCP, DNP3.0, IEC 60870-5-104 (multi-protocol support)
4. Operating Conditions: Temperature range -40°C to +70°C; Humidity 5%–95% (non-condensing)
5. Mechanical Specifications: Panel-mounted; Dimensions 144mm × 144mm × 200mm; Weight approx. 1.8 kg
6. Certifications: IEC 60255, CE, UL, CSA (meets global power industry standards)

Core Functions & Features

• Comprehensive protection logic with adjustable settings, adapting to diverse power equipment requirements
• Built-in high-precision measurement (voltage, current, power, energy) and event recording functions
• Support for remote configuration, monitoring, and fault diagnosis via communication networks
• Redundant design options for critical applications, ensuring high reliability and availability
• User-friendly HMI with LCD display and key operation, simplifying on-site setup and maintenance
• Seamless integration with power management systems (PMS), facilitating smart grid operation