IUGN6-1-63F-20.0 is a hydraulic magnetic circuit protector from the Airpax IAG/IUG series designed for reliable circuit protection and power switching in international equipment. This six-pole unit features a 63F delay characteristic (long delay with inertial feature providing approximately 12 times rated current inrush pulse tolerance) and is rated for 20.0 amperes at AC 50/60 Hz operation. The device incorporates screw or push-on terminal configurations with standard dimensions of 1.530 inches (38.86 mm) length and 2.52 inches (64.00 mm) maximum overall height, and operates with DC resistance of 0.006 ohms and AC impedance of 0.006 ohms at rated current. It is UL Recognized as a supplementary protector per UL STD. 1077 and CSA Certified, making it suitable for sensitive circuitry and automation systems requiring accurate circuit control with compact packaging.