ABB REF542 1VCR007346 G0008 Feeder Protection and Control Relay



  • Product Code: REF542 1VCR007346 G0008
  • Availability: In Stock


ABB REF542 1VCR007346 G0008

Feeder Protection and Control Relay

Product Overview

The ABB REF542 1VCR007346 G0008 is an advanced numerical feeder protection and control relay designed for medium-voltage power distribution networks. This multifunctional device combines comprehensive protection features with sophisticated control capabilities, making it ideal for safeguarding overhead lines, cables, transformers, and other distribution network components. Its modular design and flexible communication options enable seamless integration into modern power management systems, providing reliable operation and enhanced network visibility.

Key Features

  • Comprehensive protection functions including overcurrent, earth fault, and thermal overload
  • Advanced communication capabilities: IEC 61850, Modbus, DNP3, and Profibus
  • Built-in fault recorder and event log for network analysis and troubleshooting
  • User-friendly HMI with LCD display for local configuration and monitoring
  • IEC 61508 SIL 2 certification for safety-critical applications
  • Redundant power supply option for enhanced reliability

Technical Specifications

Parameter Details
Operating Voltage Control voltage: 110/220V AC/DC; Auxiliary voltage: 24V DC
Current Inputs 4 x 1A or 5A (configurable); Accuracy class: 0.2
Voltage Inputs 3-phase + neutral; 100V or 220V (phase-phase)
Digital I/O 16 digital inputs; 8 digital outputs (relay contacts)
Operating Temperature -25°C to +70°C (-13°F to +158°F)
Dimensions 145mm x 210mm x 260mm (W x H x D); Panel mounting

Typical Applications

  • Medium-voltage distribution networks (10kV-35kV)
  • Industrial power systems and manufacturing facilities
  • Renewable energy plants (solar, wind) interconnection points
  • Commercial building electrical distribution
  • Utility substations and distribution feeders
  • Railway traction power systems

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