Catalog > Passive Components > Fuses - Circuit Protection Catalog > Passive Components > Fuses - Circuit Protection > Fuse Holders Siemens LV HRC Fuse Element LV HRC Fuse Element 3NA3144 Siemens LV HRC fuse element, NH1, In: 250 A, gG, Un AC: 500 V, Un DC: 440 V, Front indicator, live grip lugs. NH1GG50V250 (E219815C) Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications General Technical Data Size of Fuse System / acc. to DIN EN 60269-1 : NH1 Operating Class of the Fuse Link : gG Type of Voltage : AC/DC Operational Current / at AC / Rated Value : 250 A Supply Voltage : At AC / Rated Value : 500 V At DC : 440 V Protection Class Protection Class IP : IP20, with connected conductors Switching Capacity Switching Capacity Current at DC / acc. to IEC 60947-2 / rated value : 25 kA acc. to IEC 60947-2 / rated value : 120 kA Dissipation Power Loss [W] : 18.2 W Power Loss [W] / for rated value of the current / at AC / in hot operating state / per pole : 18.2 W Mechanical Design Width / of the enclosure : 47.2 mm Mounting Position : Any, preferably vertical Net Weight : 434 g Environmental Conditions Ambient Temperature / During Operation Minimum : -5 °C Maximum : 40 °C Ambient Temperature / During Storage : Air humidity 90% at 20 °C Environmental Category : -20 to +50 at 95% relative humidity Downloads Datasheet - 3NA3144 PDF File 348.80 KB