The Omron C200H-IA121 is an 8-point AC digital input module for the SYSMAC C200H series PLC. It is designed to interface AC-powered sensors, switches, and contactors into the PLC control system. Each input is optically isolated and equipped with an LED status indicator for direct monitoring.

The ABB OVR T2-T3 3N 20-275 P QS is a Type 2 Surge Protective Device (SPD), also known as a secondary surge arrester or distribution-level SPD. It is designed for installation in low-voltage three-phase electrical distribution boards with a neutral conductor (3N). Its primary function is to protect sensitive electrical and electronic equipment connected to the system from the damaging effects of indirect lightning strikes and switching overvoltages that propagate through the power network. This SPD provides a high level of protection (Up / residual voltage) by safely diverting surge currents to ground.

The Yokogawa PW402 Power Supply Unit is designed to provide efficient power supply solutions for industrial control systems, ensuring reliability and longevity in demanding environments.