Current limits: This current limiter has a fixed range from 2 to 40 A to effectively meet various circuit protection needs. Protective automatic disconnection: The device has an automatic disconnection function that stops power when the current exceeds preset limits, protecting your electronic devices. Easy current monitoring with LED indicator: The integrated LED indicator shows realtime current levels, allowing users to quickly verify safe operation. Reliable and durable design: Constructed with a flame retardant PA66 shell, this current limiter can withstand impacts and temperatures for reliable use in challenging environments. Use scenarios On a laboratory bench or development setup to protect power supplies and circuits during testing, with fixed protection suitable for different designs. In a home workshop or electronics project to prevent damage to connected devices during charging or operation of current demand components. In industrial or harsh environments where durability is important, the PA66 shell offers protection against temperature exposure and physical impact.