FN256-80-34 Schaffner

3-phase + neutral line filters FN 256 Compact general purpose three-phase and neutral line EMC filter n Three-phase and neutral line filter for Approvals general purpose four-wire filtering n Compact space-saving design n Choice of connection style n Low operating leakage current Technical specifications Typical electrical schematic L Maximum continuous operating voltage: 3x 480/277VAC L1 L1 Operating frequency: dc to 60Hz Rated currents: 8 to 160A 50C L2 L2 High potential test voltage: P > E 2650VDC for 2 sec P > P 2100VDC for 2 sec L3 L3 Protection category: IP20 Cx R IP00 (filters with connectors -28) N N Overload capability: 4x rated current at switch on, Cy R1 1.5x rated current for 1 minute, once per hour E E Temperature range (operation and storage): -25C to +100C (25/100/21) Flammability corresponding to: UL 94V-2 or better Line Load Design corresponding to: UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939 MTBF 50C/400V (Mil-HB-217F): 600,000 hours Features and benefits Typical applications n FN 256 filters are designed specifically for n Used as a mains input filter, FN 256 filters n General purpose four-wire filtering applications involving asymmetric loads, also increase conducted immunity and n High-power office equipment ranging from industrial controls to medical thus contribute to overall system reliability. n Power supplies electronics systems. These typically involve n Choice of connection style as well as filter n UPS insufficiently filtered converters and ratings in line with common fuse values n Medical applications switch-mode power supplies on different support a fast and easy application-specific n Electrical cabinets phases, causing current imbalance and filter selection and deployment. n Control panels significant interference problems. n A light weight aluminium housing with a n Employing single-stage filter circuits for small footprint ensures that the filters can each phase and the neutral line, FN 256 fil- be easily accommodated on control panels ters provide high attenuation of both sym- and in tight power cabinets. metrical and asymmetrical interference.> Components > FN 256 Filter selection table Filter* Rated current Leakage current** Power loss Input/Output Weight 50C (40C) 400VAC/50Hz 25C/50Hz connections A mA W kg FN 256-8-46 8 (8.8) 3.4 2.7 -46 0.8 FN 256-16-46 16 (17.5) 3.4 6.0 -46 1.1 FN 256-25-47 25 (27) 3.4 11.6 -47 1.4 FN 256-36-47 36 (39) 3.4 14.8 -47 1.5 FN 256-64-52 64 (70) 3.4 18.4 -52 2.2 FN 256-80-.. 80 (88) 3.4 18.8 -28*** -34 4.5 FN 256-120-.. 120 (131) 5.0 25.1 -28*** -35 6.1 FN 256-160-.. 160 (175) 6.8 30.7 -28*** -40 8.0 * To compile a complete part number, please replace the -.. with the required I/O connection style. ** Maximum leakage under normal operating conditions, based on the assumption that all three phases and the neutral conductor are connected to the supply and the consumer. In this case, the current will mainly return through the neutral line, not as earth leakage. *** Filters with -28 connections are rated for 40C environmental temperature only. Typical filter attenuation Per CISPR 17 A = 50/50 sym B = 50/50 asym C = 0.1/100 sym D = 100/0.1 sym 8A types 16A types 25A types 36A types 64A types 80A types 120A types 160A types