Power plant cranes operate in demanding environments where reliability, safety, and continuous performance are critical. Conventional contact-type sensors often suffer from wear, mechanical fatigue, and contamination, increasing maintenance costs and downtime. A non-contact linear displacement sensor designed as an import substitute offers a practical solution for hoist positioning, trolley travel, and boom control. By using advanced magnetic or inductive sensing, it measures position without physical contact, reducing friction and extending service life. The sensor provides stable output under vibration, dust, moisture, and temperature variation, making it suitable for boiler rooms, turbine halls, and fuel handling areas. It also supports precise feedback for automated crane control, load positioning, and anti-sway systems. For plant operators, local replacement reduces lead time and procurement risk while maintaining compatibility with existing PLC and control networks. Robust EMC protection, high linearity, and wide measuring ranges ensure accurate operation in harsh power generation sites. With easy installation and low maintenance, this import substitute improves crane safety, reduces spare-part dependence, and supports long-term spare inventory optimization. Its cost-effective performance helps power plants upgrade legacy equipment without complex redesign. Choosing a qualified non-contact linear displacement sensor creates a dependable upgrade path for modern crane automation and contributes to stable power plant logistics.