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Waveform Capture Length: 3 buffers containing 16 cycles of all current and voltage channels Product Description
24 VDC Power Supply: Operates efficiently with a 24 VDC power source
Storage Temp: –40°C to +85°C
Baud Rate: 9600
Fast Scan (Priority I/O Module Scan)
ABB REF543 Feeder Protection Relay MEMORY MODULE Waveform Capture Length: 3 buffersDescription 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
