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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Storage Temp: –40°C to +85°C
ensuring fast and precise execution of control tasks
Hot-Swappable: Replaceable without disconnecting field wiring
24 VDC Power Supply: Operates efficiently with a 24 VDC power source
Compact design for easy integration into industrial systems
ABB REF543 Feeder Protection Relay MEMORY MODULE Storage Temp: –40°C to +85°CDescription The ABB REF543 is a multifunctional feeder terminal designed for protection, control, measurement, and supervision of medium voltage power distribution systems. It is part of ABBs REF 54x series and supports flexible configuration for various feeder applications. Specifications Model Number: REF543 Product Type: Feeder protection relay Voltage Range: Medium voltage distribution networks Protection Functions: Overcurrent, earth fault, phase
