The ABB RET543AM243AAAB is a digital transformer terminal of the Relion® series, specialized in protecting, controlling, measuring, and supervising two-winding power transformers and generator-transformer blocks in distribution networks with high precision and reliability .

The ABB HAI805 is a high-precision 8-channel analog input module of the Symphony Plus S+I/O series, designed for industrial automation systems to accurately acquire and convert 4-20mA/0-10V signals into digital data with anti-interference isolation design.

The ABB LDGRB-01 (Order No.: 3BSE013177R1) is a dedicated gate driver module for power semiconductors (e.g., IGBTs/IGCTs), designed to provide precise gate control signals, overcurrent protection, and thermal monitoring to ensure stable operation of high-power industrial converters and drives.

The ABB 500CPU05 (Part No.: 1MRB150081R0001) is a high-performance central processing unit for the 500-series industrial automation platform, equipped with powerful processing capabilities to execute complex control logic and manage multi-module data exchange for stable industrial control operations.