IAG66-1-69-.500-Q-01 is a single-pole hydraulic magnetic circuit protector from the Airpax IAG series, designed for low-cost power switching, reliable circuit protection, and accurate circuit control. This unit features a rated current of 0.500A with delay curve 69, providing instantaneous trip characteristics with maximum trip times of 0.120 seconds at 125% rated current and 0.100 seconds at 150% rated current. The circuit protector is available with a black toggle handle marked ON-OFF I-O and offers various voltage ratings including up to 80V DC and up to 277V AC at 50/60Hz depending on configuration. It is UL Recognized as a supplementary protector per UL STD. 1077 and CSA Certified. Common applications include equipment requiring IEC compliance and international marketplace power distribution systems where precise overcurrent protection is essential.