Product Core Brief
- Model: REM545BM223BAAA
- Brand: ABB
- Series: REM54
- Core Function: Protection for generators and motors
- Product Type: Machine Protection Terminal
- Key Specs: Differential protection | Multiple I/O | Graphic HMI
- Condition: New Original (New Surplus)
Key Technical Specifications
- Protection Functions: Generator differential, thermal overload, underexcitation, reverse power, loss of excitation
- Application: Small to medium synchronous generators and motors
- Analog Inputs: Multiple CT (1/5 A) and VT (100 V) channels
- Communication: IEC 60870-5-103, Modbus RTU, SPA bus
- Power Supply: 24-250 V DC typical for this variant
- Mounting: 19-inch rack or flush/surface enclosure
- Standards: IEC 60255 compliant
- Operating Temperature: -25°C to +55°C
- Event Recording: Disturbance recorder and sequence of events
- I/O Configuration: Expandable digital inputs/outputs and RTD inputs
- Display: Graphic HMI option
Product Introduction
ABB REM545BM223BAAA is a machine protection terminal designed for the protection, control, measurement, and supervision of generators and rotating machines in power plants.
This terminal integrates multiple protection functions including differential protection and thermal overload monitoring. It supports cost-effective deployment through flexible I/O configurations and compatibility with existing ABB control systems.
