ABB REF541 Feeder Terminal RelayDescription The ABB REF541 is a multifunctional feeder protection relay designed for medium voltage distribution systems. It integrates protection, control, measurement, and automation capabilities into a single compact unit. Specifications Product Type: Feeder Protection Relay Model: REF541 Application Scope: Medium voltage networks, switchgear, capacitor banks, and motors Protection Functions: Overcurrent, earth fault, phase unbalance, motor
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