Available. The WAGO 750-421 is a 2-channel digital input module designed for industrial automation applications. Operating at 24 VDC, it offers a rapid response time of 3 milliseconds, ensuring swift detection of input signals. The module is equipped with diagnostic capabilities, allowing for real-time monitoring of input statuses and facilitating proactive maintenance. Its fixed pluggable connector ensures secure and reliable connections within the WAGO I/O System 750/753. This module is ideal for applications requiring precise and timely digital input processing, such as monitoring sensors or switches in automated systems.