Overview

The ABB RET650 is part of the Relion® 650 series, designed for transformer and reactor protection in industrial environments. It provides reliable protection and control features for efficient operation.

Technical Specifications

◦  Model: RET650  

◦  Type: Transformer Protection IED  

◦  Voltage Rating: Supports a wide range of voltage levels for transformer applications.  

Protection Functions

◦  Transformer Differential Protection: Protects against internal transformer faults.  

◦  Restricted Earth Fault Protection: Detects earth faults within transformer windings.  

◦  Overcurrent and Thermal Overload Protection: Safeguards transformers from excessive currents and overheating.  

◦  Voltage and Frequency Protection: Ensures proper voltage and frequency levels for transformers.  

Communication Protocols

The ABB RET650 supports the following protocols:

◦  IEC 61850  

◦  Modbus  

◦  DNP3  

◦  And more for seamless integration with various systems.  

HMI Features

◦  Dynamic Three-Color Indication LEDs: Provides clear operational status.  

◦  Configurable Push-Button Shortcuts: Allows for user-friendly interface customization.  

Temperature Range

◦  Operating Temperature: -25°C to +55°C for reliable performance.  

◦  Storage Temperature: -40°C to +85°C ensures safe storage in various conditions.