3NA3254

Data sheet 3NA3254 LV HRC fuse element, NH2, In: 355 A, gG, Un AC: 500 V, Un DC: 440 V, Front indicator, live grip lugs Model product brand name SENTRON product designation LV HRC fuse link design of the product With blade contacts design of an identification indicator Front indicators design of the switching contact Non-corroding, silver-plated design of the fuse link LV HRC fuse link General technical data size of fuse system according to EN 60269-1 NH2 operating class of the fuse link gG mounting type non-insulated grip lugs type of voltage of the operating voltage AC/DC supply voltage ● at AC 500 V ● at DC 440 V Protection class protection class IP IP20, with connected conductors Breaking Capacity breaking capacity ● at AC according to IEC 60269 rated value 120 kA ● at DC with time constant ≤ 10 ms according to IEC 60269 rated value 25 kA Dissipation power loss [W] 26 W power loss [W] for rated value of the current at AC in hot operating state per pole 26 W Mechanical Design width of the enclosure 57.8 mm mounting position Any, preferably vertical net weight 654 g Environmental conditions ambient temperature during operation ● minimum -5 °C ● maximum 40 °C environmental category -20 to +50 at 95% relative humidity environmental category during storage 90% at 20°C Certificates reference code according to IEC 81346-2 FC Approvals Certificates General Product Approval 3NA3254 Page 1/4 Test Certificates 5/10/2024 Subject to change without notice © Copyright Siemens Confirmation Marine / Shipping other Confirmation Special Test Certificate Environment Miscellaneous Miscellaneous Environmental Confirmations Environmental Confirmations Further information Information on the packaging https://support.industry.siemens.com/cs/ww/en/view/109813875 Information- and Downloadcenter (Catalogs, Brochures,…) http://www.siemens.com/lowvoltage/catalogs Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3NA3254 Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3NA3254 Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...) http://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3NA3254 CAx-Online-Generator http://www.siemens.com/cax Tender specifications http://www.siemens.com/specifications 12,2 57 147,6 72,4 58,3 3NA3254 Page 2/4 5/10/2024 Subject to change without notice © Copyright Siemens -F FU last modified: 3NA3254 Page 3/4 2/25/2023 5/10/2024 Subject to change without notice © Copyright Siemens 3NA3254 Page 4/4 5/10/2024 Subject to change without notice © Copyright Siemens