Description
The ABB REF542plus 2RCA029395 is a modular digital feeder terminal designed for medium-voltage switchgear. It integrates protection, control, measurement, and communication into a single compact unit. This model is part of ABB’s ProtectIT family and is ideal for feeder, transformer, and motor protection in both new installations and retrofit projects. Its flexible configuration and robust design make it suitable for a wide range of substation automation applications.
Specifications
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Model: REF542plus 2RCA029395
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Rated Voltage: 100–240 VAC
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Frequency: 50/60 Hz
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Current Inputs: 1 A or 5 A
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Operating Temperature: -25°C to +70°C
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Protection Class: IP54 (front), IP20 (rear)
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Communication Protocols: IEC 60870-5-103, Modbus RTU, DNP3.0
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Mounting: Panel-mounted with front HMI and plug-in connectors
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Certifications: CE, IEC-compliant
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Country of Origin: Switzerland
Features
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Multifunction Protection: Includes overcurrent, earth fault, and sensitive earth fault protection
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Integrated Control & Monitoring: Combines switchgear control, measurement, and event/fault recording
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Flexible I/O Configuration: Adaptable to various substation layouts
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High-Speed Communication: Supports real-time data exchange and fast tripping
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Self-Diagnostics: Monitors internal health and system status
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User-Friendly Interface: LCD display with LED indicators and push-button controls
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Modular Design: Simplifies maintenance and future upgrades
Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...
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