Three-Phase + Neutral Line Filters FN 356 General Purpose Three-phase and Neutral Line Filter Three-phase and neutral line filter Approvals for general four-wire filtering tasks Choice of connection style Low operating leakage current (Up to 100A) Compliant with IEC 60950 Suitable to meet EN 55011/14/22 Technical specifications Typical electrical schematic Maximum continuous operating voltage: 3x 440/250VAC Operating frequency: dc to 60Hz Rated currents: 16 to 150 A 40C High potential test voltage: P > E 2000VAC for 2 sec P > P 1900VDC for 2 sec Protection category: IP20 (filters with connectors -29, -33, -34) IP00 (filters with connectors -06, -24, -28) Overload capability: 4x rated current at switch on, 1.5x rated current for 1 minute, once per hour Temperature range (operation and -25C to +100C (25/100/21) storage): Flammability corresponding to: UL 94V-2 or better Design corresponding to: UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939 MTBF 40C/400V (Mil-HB-217F): 220,000 hours Features and benefits Typical applications FN 356 represents the industry Used as a mains input filter, FN 356 General purpose four-wire filtering standard filter solutions for EMC filters increase the conducted immunity Mainframe computer systems compliance on three-phases and the and thus contribute to system High power office equipment neutral conductor, providing high reliability. UPS attenuation of both sym- metrical and Design compliance with IEC 60950 asymmetrical interference. Installations comprising automation provides additional application equipment Choice of connection style is offered for flexibility. an application-specific filter selection. Solid touch-safe terminal blocks (-29, - 33, -34 versions) offer a generous contacting cross section and contribute to overall safety (IP20).Three-Phase + Neutral Line Filters > FN 356 Filter selection table Filter* Rated current Leakage current** Power loss Input/Output Weight 40C (25C) 400VAC/50Hz 25C/50Hz connections A mA W kg FN 356-16-.. 16 (18.4) 0.43 7.0 -06 -29 1.2 FN 356-25-.. 25 (28.8) 0.43 10.1 -24 -33 1.5 FN 356-36-.. 36 (41.5) 0.43 10.9 -24 -33 1.6 FN 356-50-.. 50 (57.7) 0.43 15.8 -24 -33 2.3 FN 356-100-.. 100 (115.0) 1.33 24.0 -28 -34 5.9 FN 356-150-28 150 (172.5) 8.00 45.9 -28 8.1 * 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. Typical filter attenuation Per CISPR 17 A = 50/50 sym B = 50/50 asym C = 0.1/100 sym D = 100/0.1 sym 16A types 25 to 50A types 100A types 150A types