The ABB REF542PLUS (Order Code: 1VCF752000) is a multifunctional feeder terminal unit of the Relion® 650 series, designed for medium-voltage power distribution systems to provide comprehensive protection, precise measurement, and flexible control for feeders, transformers, and motors.

The ABB 07KT98C (Part No.: GJR5253100R028) is a compact Advant Controller module of the AC 31 series, integrating a 64-bit RISC processor, multi-protocol communication, and flexible I/O for real-time industrial process control and data exchange in harsh environments.

The ABB GFD563A101 3BHE046836R0101 is a multi-functional industrial control module, primarily serving as an excitation regulator and signal processing unit for ABB automation systems, with signal isolation, protocol compatibility, and robust performance in harsh environments.