The IUG6-1-51-5.00-01 is a single-pole hydraulic magnetic circuit protector from the Airpax IAG/IUG/IEG/CEG/LEG series, designed to provide low-cost power switching and accurate circuit control for international equipment applications. This protector features a rated current of 5.00 A with delay characteristics designated as Type 51, offering trip time ranges from 0.500 to 6.5 seconds at 125% rated current down to 0.004 to 0.08 seconds at 1000% rated current. The unit is mounted on a panel with mounting holes positioned at 0.750 inches (19.05 mm) spacing and includes a rocker-style ON/OFF handle mechanism with 32° throw angle. The protector is UL Recognized as a supplementary protector per UL STD. 1077 and CSA Certified, making it suitable for equipment requiring IEC compliance. Common applications include industrial control systems, power distribution equipment, and international appliances where reliable overload and short-circuit protection is essential.