The 400fx category encompasses a wide range of essential products for industrial automation and MRO applications. This classification includes high-performance components such as industrial sensors (proximity, photoelectric, pressure), motion control equipment (servo drives, stepper motors, linear actuators), and automation controllers (PLCs, HMIs, I/O modules). Key features of 400fx products include robust construction for harsh environments, precise measurement and control capabilities, and compatibility with industry-standard communication protocols. Typical products in this category may include variable frequency drives, pneumatic valves, industrial relays, safety switches, and machine vision systems - all designed to optimize manufacturing processes and equipment maintenance.