Description

1. Product Title

ABB REM545BG229AABA‑ Motor Protection Relay

2. Product Overview

REM545BG229AABA belongs to ABB REM545 series multifunctional motor protection and control relay for medium‑voltage motor bays. It provides comprehensive motor protection functions including overload, locked‑rotor, earth‑fault, phase unbalance and under‑voltage protection. Integrated measurement, fault recording and bay control logic. Local front‑panel HMI displays operating data and fault event logs. Supports IEC61850, SPA‑Bus and Modbus communication to connect with substation SCADA system. REM545BG229AABA serves as drop‑in spare for industrial and power‑plant medium‑voltage motor control cabinets.

3. Technical Specifications

• Brand: ABB
• Model: REM545BG229AABA
• Warranty: One Year
• Condition: 100% New & Original
• Application: MV motor protection & bay control
• Protection Functions: Overload, locked‑rotor, earth‑fault, phase unbalance
• Communication: IEC61850, SPA‑Bus, Modbus
• Power Supply: 24‑250 V AC/DC
• Operating Temp: ‑25°C ~ +55°C
• Mounting: Switchgear panel mounting
• Front‑panel Protection: IP54
• 

4. Application Scenarios

• Power‑plant Medium‑voltage Motor Cabinet: Protection spare for large auxiliary drive motors.
• Petrochemical MV Switchgear Bay: Motor protection relay replacement for pump and compressor drives.
• Industrial Substation Retrofit Project: Spare unit for existing REM545 series protection installations.