Reliable operation: The current sensing switch provides stable performance and helps improve overall system efficiency compared with traditional transformers and thermal protectors. It supports dependable protection and control in daily use. Selfsufficient power supply: No external power source is required. The switch operates reliably even in environments with strong magnetic interference, simplifying installation and reducing wiring. Easy monitoring with LED indicator: An integrated LED shows the operational status and the input current range from 2 to 30 A AC, allowing quick, ataglance checks. Durable design: Built from selfextinguishing ABS material with advanced tube technology for resistance to harsh conditions and longlasting safety in demanding settings. Key benefits and use scenarios: Why you need it: Provides reliable current sensing, helping protect circuits and improve efficiency without extra power supplies or complex wiring. How it solves problems: Eliminates dependency on external power, resists magnetic interference, and offers clear status indication for easier maintenance. What makes it better: Compact, robust ABS construction, wide 2–30 A AC sensing range, and straightforward monitoring. Use scenarios: Control panels for small motors or pumps where compact, reliable current sensing and protection are required. Automation cabinets located near heavy machinery or VFDs, where magnetic interference could affect sensors and external power is impractical. Standalone power strips or equipment enclosures in workshops needing clear status indication and current monitoring up to 30 A.