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| Specification Details Product Name REF542plus Part Number 1VCF752000 Manufacturer ABB Category Protection Relay / Feeder Terminal (IED) Application Medium-voltage feeder protection | |
|---|---|
| control | |
| monitoring | |
| automation Supply Voltage 24–230 V AC/DC (wide-range auxiliary power input) Rated Frequency 50/60 Hz Rated Current (via CTs) Typically 1 A or 5 A (programmable | |
| via external CTs) Inputs/Outputs - Multiple digital inputs/outputs - Analog inputs (via transducers) Protection Functions Overcurrent | |
| Earth Fault | |
| Short Circuit | |
| Breaker Failure | |
| Auto-Reclose | |
| etc. Control Functions Local/remote breaker operation | |
| switchgear interlocking | |
| automation logic Measurement Capabilities Voltage | |
| Current | |
| Active/Reactive Power | |
| Energy | |
| Frequency | |
| Power Factor Disturbance Recorder Yes – captures waveform and logs events Communication Protocols IEC 61850 | |
| Modbus RTU/TCP | |
| PROFIBUS | |
| IEC 60870-5-103 | |
| DNP3 | |
| Ethernet Display / Interface LED indicators | |
| programmable buttons | |
| optional LCD Mounting Type Panel mounting Enclosure Protection IP54 (front) | |
| IP20 (rear) Operating Temperature –25?°C to +70?°C Storage Temperature –40?°C to +85?°C Weight Approx. 6.6 kg Dimensions (W x H x D) Approx. 245 mm × 280 mm × 185 mm Standards Compliance IEC 60255 | |
| IEC 61850 | |
| CE marked Certifications RoHS | |
| REACH | |
| ISO 9001 Lifecycle Status Obsolete (replaced by newer IEDs like REF615 | |
| REF620 in many systems) |
The ABB REF542plus (Part Number: 1VCF752000) is a compact, multifunctional feeder terminal designed for the protection, control, measurement, and monitoring of medium-voltage power distribution systems. It serves as a digital bay controller (also known as an Intelligent Electronic Device – IED) for use in air-insulated and gas-insulated switchgear.
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