The ABB REF545 is a versatile and advanced relay protection and control device designed for the protection and management of electrical equipment, particularly in medium-voltage applications.
Product Name:
ABB REF545
Product Description:
The REF545 is an item in ABB’s Relion® family, which provides comprehensive protection, control, measurement, and communication for electrical networks like substations. The device is designed for various applications including transformer protection, busbar protection, and the protection of generators and motors. It features a user-friendly interface and flexible configuration options to cater to the specific needs of different installations.
Product Parameters and Specifications:
- Protection Functions:
- Overcurrent protection
- Earth fault protection
- Distance protection
- Differential protection
- Backup protection functions
- Control Functions:
- Control of circuit breakers and switches
- Automatic reclose functionality
- Measurements and monitoring of the electrical parameters
- Communication Protocols:
- Supports multiple communication protocols such as IEC 61850, DNP3, Modbus, etc.
- High-speed communication for integration into substation automation systems
- User Interface:
- LCD display with a user-friendly menu structure
- Local and remote operation options available
- Power Supply:
- Wide range of operating voltage: typically 24 – 250 V DC
- AC power supply options available
- Environmental Specifications:
- Operating temperature range: -20°C to +55°C
- Sealing class and environmental protection ratings
- Dimensions and Mounting:
- Compact design suitable for panel or rack mounting
- Modular construction for easy installation
Product Use:
The ABB REF545 relay is used primarily in:
- Substation automation for medium-voltage applications
- Protection of electrical installations in industrial and commercial facilities
- Automation of switching operations in electrical grids
- Enhancing reliability and safety in power distribution systems
ABB REF545
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