Product Core Brief
- Model: REL316
- Brand: ABB
- Series: REL316*4
- Core Function: Distance and differential line protection
- Product Type: Protection Relay
- Key Specs: 5 distance zones | IEC 61850 ready | Rack mount
- Condition: New Original (New Surplus)
Key Technical Specifications
- Protection Functions: Distance protection (5 zones), longitudinal differential, overcurrent backup
- Communication: Modbus RTU, IEC 60870-5-103, fiber optic options
- Mounting: Semi-flush, surface or 19-inch rack
- Power Supply: 24-250 V DC variants
- Analog Inputs: Multiple CT/VT inputs for line currents and voltages
- Standards: IEC 60255 compliant
- Operating Temperature: -25°C to +55°C
- Event Recording: Disturbance recorder and sequence of events
- Self-Supervision: Continuous hardware monitoring
- Firmware: Version-dependent (verify on unit)
Product Introduction
ABB REL316 is a numerical line protection relay designed for high-speed fault discrimination on medium and high voltage overhead lines and cables. It combines distance protection with longitudinal differential functions for reliable operation in transmission and sub-transmission networks.
The relay supports flexible configuration for various line lengths and conditions. It enables cost-effective integration into existing systems through protocol support and maintains compatibility with legacy ABB protection schemes.
