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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
and other factors
37 pounds (168 grams)
Wiring: Connected to the terminal of the I/O Module Nest with M4 screws
4–20 mA (analog)
ABB REF543 Feeder Protection Terminal Expansion Processor Module and other factorsDescription 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,
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