Siemens 3NA3 144 NH fuse link is a high-rupturing-capacity (HRC) fuse element in the 3NA3 family, rated for 250 A and 500 V, and classified as a gG-type fuse link for general-purpose overcurrent protection in low-voltage power-distribution circuits. This 3NA3 144 variant identifies the 250 A option within the 3NA3 line, designed to be used with compatible Siemens LV fuse holders and accessories in industrial installations to protect feeders and equipment from overloads and short circuits.
