current limits: adjustable range from 2 to 40 A to meet diverse circuit protection needs. Protective automatic disconnection: automatically cuts power when the current exceeds the preset limit, preventing damage to connected devices. Easy current monitoring with LED indicator: integrated LED shows realtime current levels for quick safety verification. Reliable design and material: flame retardant PA66 shell provides durability against impacts and temperatures for dependable operation in demanding environments. Key attributes at a glance: Function: adjustable current limit, automatic shutoff, and live current indication. Material: flame retardant PA66 housing. Performance: 2 to 40 A protection range with automatic disconnection. Compatibility: suitable for circuits and devices that require overload protection up to 40 A. Safety: designed for reliable use in challenging environments. Use scenarios: Electronics lab or testing bench: limit current to bench power supplies during prototype development to prevent component damage. Workshop or manufacturing: protect motors, drivers, and current tools from overloads and startup surges. Battery charging and DC distribution: prevent overcurrent in charging setups or DC distribution panels, safeguarding equipment and batteries.