Product Overview

The ABB REF542PLUS 1VCR007346​is a sophisticated multifunction feeder terminal designed for comprehensive protection,control,measurement,and monitoring of medium-voltage switchgear.This advanced protection relay combines multiple protection functions in a single compact unit,providing reliable operation for industrial and utility applications.The ABB REF542PLUS 1VCR007346​integrates cutting-edge protection algorithms with robust communication capabilities,making it ideal for demanding electrical distribution systems where reliability and precision are critical.As part of ABB’s renowned protection relay family,this device delivers the performance and durability that electrical professionals expect from a world-leading power technology provider.

Engineered for versatility,the ABB REF542PLUS 1VCR007346​offers comprehensive protection features including overcurrent,earth-fault,motor protection,and transformer protection functions.The terminal’s modular design allows for flexible configuration to meet specific application requirements,while its intuitive user interface simplifies operation and maintenance.The ABB REF542PLUS 1VCR007346​demonstrates ABB’s commitment to innovation through its advanced measurement capabilities,extensive communication options,and user-friendly configuration tools,ensuring optimal performance in various electrical distribution scenarios.

Technical Specifications

Parameter Name

Parameter Value

Product Model

ABB REF542PLUS 1VCR007346

Manufacturer

ABB Group

Product Type

Multifunction Feeder Terminal

Rated Voltage

Up to 7.2 kV

Rated Frequency

50/60 Hz

Protection Functions

Overcurrent,Earth-fault,Motor Protection

Communication

IEC 61850,Modbus,PROFIBUS DP

Measurement Accuracy

Class 0.5

Control Supply

24-250V DC/AC

Binary Inputs

8 programmable

Relay Outputs

6 programmable

Operating Temperature

-25°C to+70°C

Communication Ports

2x Ethernet,2x RS485

Protection Rating

IP54(front)

Dimensions

177.5 x 128.5 x 141.5 mm

Weight

Approximately 1.8 kg

Certifications

CE,UL,cULus

Main Features and Advantages

Advanced Protection Capabilities:The ABB REF542PLUS 1VCR007346​provides comprehensive protection including definite time and inverse time overcurrent protection,earth-fault protection,thermal overload protection,and voltage protection.The device’s advanced algorithms ensure precise fault detection and selective tripping,minimizing outage times and equipment damage.The ABB REF542PLUS 1VCR007346​also features motor protection functions including start-up supervision,stall protection,and negative sequence current protection,making it suitable for various motor applications.

Extensive Communication Options:Featuring support for multiple communication protocols including IEC 61850,Modbus,and PROFIBUS DP,the ABB REF542PLUS 1VCR007346​enables seamless integration into modern automation systems.The device’s dual Ethernet ports support high-speed data exchange for SCADA systems and remote control applications.This communication flexibility allows the ABB REF542PLUS 1VCR007346​to function effectively in both utility and industrial automation environments.

User-Friendly Operation:The ABB REF542PLUS 1VCR007346​features a large graphical display and intuitive menu structure that simplifies configuration and operation.The device’s comprehensive event recording and disturbance recording capabilities provide valuable data for fault analysis and system optimization.The ABB REF542PLUS 1VCR007346​also includes advanced measurement functions for monitoring power quality and energy consumption.

Application Field

In industrial power distribution systems,the ABB REF542PLUS 1VCR007346​is widely used for protecting incoming feeders,bus couplers,and transformer circuits in manufacturing facilities.The device’s comprehensive protection functions and communication capabilities make it ideal for integration into plant automation systems.Industries such as automotive manufacturing,chemical processing,and metal production rely on the ABB REF542PLUS 1VCR007346​for ensuring power supply reliability and equipment protection.

Utility distribution networks utilize the ABB REF542PLUS 1VCR007346​for feeder protection in secondary substations and ring main units.The device’s advanced protection characteristics and communication capabilities support automation functions such as fault location,isolation,and supply restoration.Utilities benefit from the ABB REF542PLUS 1VCR007346’s reliability and ease of integration into distribution management systems.

Commercial and infrastructure applications including airports,hospitals,and data centers employ the ABB REF542PLUS 1VCR007346​for critical power system protection.The device’s high accuracy measurements and comprehensive monitoring functions ensure power quality and system reliability for sensitive loads.The ABB REF542PLUS 1VCR007346’s compact design and easy installation make it suitable for space-constrained applications.

Related Products

ABB REF542:Basic version with standard protection features

ABB REF543:Enhanced version with additional functions

ABB REF545:Transformer protection terminal

ABB RET541:Motor protection relay

ABB REC543:Feeder protection controller

ABB REG543:Generator protection unit

ABB RES521:Busbar protection system

Installation and Maintenance

Installation preparation:The ABB REF542PLUS 1VCR007346​requires proper panel mounting with adequate clearance for wiring and ventilation.Ensure the installation environment meets specified temperature and humidity requirements.Follow ABB’s installation guidelines for proper CT and VT connections,and use appropriate wire gauges for control circuits.

Maintenance recommendations:Regular testing of the ABB REF542PLUS 1VCR007346​should include functional verification of protection functions and calibration checks.The device’s self-monitoring functions provide early warning of potential issues.Keep firmware updated to ensure optimal performance and maintain configuration backups for quick restoration after maintenance.

Product Guarantee

We guarantee that all ABB REF542PLUS 1VCR007346​ protection terminals are genuine ABB products with full manufacturer warranty.Our technical support team provides comprehensive assistance with configuration,installation,and commissioning.Choose us for reliable protection solutions and expert support for your electrical distribution systems.

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