IAG666-1-41-30.0-01 is a hydraulic magnetic circuit protector from the Airpax IAG series, designed for low-cost power switching, reliable circuit protection, and accurate circuit control. This single-pole device features a 30.0 amp current rating with delay curve 41 (AC 400Hz operation), providing trip times ranging from 0.500 to 8.0 seconds at 150% rated current. The unit includes a black toggle handle marked with ON-OFF I-O indicators and offers typical impedance of 0.006 ohms at AC 400Hz for the 30.0 amp rating. Available in series, shunt, or relay configurations, this circuit protector is ideal for equipment in the international marketplace requiring dependable overcurrent protection.