ABB REF543 Feeder Protection Terminal Expansion Processor Module Communication Protocols: Compatible with Modbus

Communication Protocols: Compatible with Modbus and other industrial standards

Dimensions: 2x20

and other factors

Ease of Integration: Compatible with Foxboro control systems and third-party devices

ABB REF543 Feeder Protection Terminal Expansion Processor Module Communication Protocols: Compatible with ModbusDescription The ABB REF543 is a multifunctional feeder protection and control terminal designed for medium voltage networks. It provides comprehensive protection, measurement, control, and monitoring functions for various switchgear configurations including single and double busbar systems. Specifications Model Number: REF543 Application: Feeder protection in medium voltage substations Supported Protocols: DNP3. 0, Modbus, IEC 61850, Profibus DPV1,