ABB 1KHL160003R0001B Numerical Feeder Protection Relay

The ABB REF630 1KHL160003R0001 is an advanced numerical feeder protection relay engineered for medium-voltage distribution systems in both utility and industrial environments.
It provides integrated protection, control, measurement, and monitoring functions to ensure the reliability and safety of power distribution networks.
With its modular architecture, configurable logic, and multiple communication interfaces, the REF630 offers flexibility for various feeder configurations and system topologies.

Key Features

• Comprehensive feeder protection for radial and ring networks

• Configurable control and automation functions

• Multiple communication protocols for system integration

• User-friendly LCD interface with intuitive menu navigation

• Event and fault recording for accurate diagnostics

• Compact, durable design suitable for harsh operating environments

Technical Specifications

Rated Voltage: 100–240 V AC / 48–250 V DC
Rated Frequency: 50 / 60 Hz
Analog Inputs: 4 current inputs (1 A or 5 A), 1 voltage input
Digital Inputs: 8 configurable inputs
Digital Outputs: 6 outputs, including trip and alarm contacts
Communication Interfaces: IEC 61850, Modbus RTU/TCP, DNP3
Protection Functions: Overcurrent, earth-fault, directional protection, auto-reclosing
Measurement Accuracy: ±2% for current, ±0.5% for voltage
Operating Temperature: –25°C to +55°C
Storage Temperature: –40°C to +85°C
Protection Rating: IP54 (front panel), IP20 (rear side)
Dimensions: 177 mm (H) × 177 mm (W) × 164 mm (D)
Weight: Approximately 3.5 kg

Applications

The ABB REF630 is designed for:

• Feeder protection and control in medium-voltage switchgear

• Industrial power distribution systems

• Utility substations and smart grid networks

• Integration with SCADA and IEC 61850-based automation systems