IULNK1-1-51-25.0-K is a single-pole hydraulic magnetic circuit protector from the IUL series, designed for low-cost power switching, reliable circuit protection, and accurate circuit control. This UL 1077 recognized device features a DC short delay (51) characteristic with a 25.0A current rating and stud terminal (K) connections. The unit incorporates a panel seal design (N) with one handle per unit configuration. At 25.0A rating, the device provides no trip at 100% rated current and trips within 0.5 to 6.5 seconds at 125% overload. Ideal for equipment in the international marketplace requiring compliant circuit protection with precise trip characteristics.