IULK2-28158-30 is a single-pole hydraulic magnetic circuit protector designed for reliable circuit protection and accurate circuit control in international applications. This UL-recognized device operates at 125 volts, 60Hz with a rated current of 0.1 amperes (REG type), meeting UL 1077 requirements for supplementary protection. The unit features a compact single-pole design with screw terminal configuration, weighing approximately 90 grams (3.1 ounces), and incorporates a 32° ON/OFF toggle mechanism. It demonstrates robust performance under harsh environmental conditions, meeting MIL-PRF-55629 requirements for salt spray corrosion resistance and moisture resistance per MIL-STD-202 methods, while maintaining trip-free operation under shock and vibration per MIL-STD-202 specifications. This circuit protector is ideal for equipment requiring low-cost, reliable switching and protection in marine, industrial, and commercial applications where compliance with UL standards is essential.