ABB REF542PLUS 2RCA029395 Feeder Protection Terminal

Description

ABB REF542PLUS 2RCA029395 is a compact feeder protection and control terminal designed for medium-voltage switchgear. It integrates protection, measurement, and automation functions in one unit.

Specifications

• Model Number: REF542PLUS 2RCA029395
• Rated Voltage: 110–230V AC/DC
• Protection Functions: Overcurrent, Earth Fault, Motor Protection
• Communication Protocols: IEC 61850, Modbus TCP, Profibus DP
• Digital Inputs: 16
• Digital Outputs: 8
• Analog Inputs: 4
• Display: Graphical LCD with backlight
• Operating Temperature: –25°C to +70°C
• Ingress Protection: IP54 (front), IP20 (terminals)

Features

• Fast Tripping: Executes protection logic in ≤20 ms
• Integrated Automation: Built-in PLC logic with <10 ms cycle time
• Cybersecurity: Role-based access and secure event logging
• Real-Time Monitoring: Displays metering, events, and diagnostics
• Flexible Protocols: Supports modern and legacy network integration
• Harmonic Restraint: Prevents false trips in noisy environments
• Industrial Reliability: Designed for harsh conditions and continuous operation