IULHK111-1-65F-20.0-B-01 is a single-pole hydraulic magnetic circuit protector manufactured by Airpax/Sensata, designed for reliable circuit protection and power switching in international applications. This device features a screw terminal configuration with 6-32 thread mounting and includes a barrier option for enhanced safety. The unit is rated for 20.0 amperes and operates with a 65°F thermal delay characteristic, providing accurate circuit control across various load conditions. The protector is supplied with standard hardware including a 10-32 screw, flatwasher, and external tooth lockwasher, and is suitable for equipment requiring low-cost, dependable circuit protection with manual or electrical operation capabilities.