The Ferraz Shawmut NRS 70 fuse is a 70 ampere, 600 volt, dual-element time-delay fuse. It is designed for use in motor circuits to help prevent overloads and can be used in a variety of applications. The fuse is UL listed and CSA certified for use in the United States and Canada. It has a wide range of interrupting ratings, from 10,000 to 200,000 amps. The NRS 70 is designed to be used in a variety of circuits, including lighting, heating, and other motor circuits. The fuse is also designed with a thermal cut-off feature to help prevent overheating.