DATASHEET 3-Phase + Neutral Line Filters FN 356 General Purpose EMC/EMI Line Filter Three-phase and neutral line filter for general Approvals four-wire filtering tasks Choice of connection style Low operating leakage current Compliant with IEC 60950 (FN 356 up to 100 A) Suitable to meet EN 55011/14/22 Features and benefits FN 356 represents the industry standard filter solutions for EMC compliance on three-phases and the neutral conductor, providing high attenuation of both symmetrical and asymmetrical interference Choice of connection style is offered for 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) Used as a mains input filter, FN 356 filters increase the conducted immunity and thus contribute to system reliability Design compliance with IEC 60950 provides additional application flexibility Typical applications General purpose four-wire filtering Technical specifications Mainframe computer systems High power office equipment Maximum continuous operating voltage 3x 440/250 VAC UPS Operating frequency dc to 60 Hz Rated currents 16 to 150 A 40 C Installations comprising automation equipment High potential test voltage P > E 2000 VAC for 2 sec P > P 1900 VDC for 2 sec Typical electrical schematic 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 storage) -25 C to +100 C (25/100/21) Flammability corresponding to UL 94 V-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 hours2 EMC/EMI Products Schaffner Group Datasheets 2014 Filter selection table Filter* Rated current Leakage current** Power loss Input/Output Weight 40 C (25 C) 400 VAC/50 Hz 25 C/ 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 16 A types 25 to 50 A types 100 A types 150 A types Mechanical data 16 to 50 A types (-06, -24) 16 to 50 A types (-29, -33)