ABB REF541 Protection Relay

  Product Introduction The ABB REF541 is an advanced multifunctional protection relay designed specifically for medium-voltage (MV) networks. It provides robust, reliable protection, control, and monitoring for feeders, transformers, busbars, and other critical electrical assets. Engineered with ABB’s proven technology, the REF541 integrates intelligent protection algorithms with modern communication interfaces, offering utilities, industrial operators, and…