DATASHEET 3-Phase Filters FN 351 General Purpose EMC Filter EMC solution for industrial inverters and motor Approvals drives Rated currents from 8 to 280 A Selectable voltage level of 440 V and 520 V High differential and common-mode attenuation Compliant with IEC 60950 FN 351 up to 110 A FN 351H up to 110 A Features and benefits Broad range of power ratings for fast and convenient filter selection Available as 440 VAC (FN 351) and 520 VAC (FN 351H) versions for network-specific applications FN 351 filters provide a broadband common and differential-mode attenuation performance, which remains available also when high interference levels are present Solid, touch-safe filter terminals contribute to overall equipment safety and make the filters compliant with IEC 60950 Introduced as one of the very first motor drive EMC filters in the market, FN 351 has been widely imitated and has success- fully proven its function Technical specifications over more than 10 years Design corresponding to UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939 Flammability corresponding to UL 94 V-2 or better Typical applications High potential test voltage P > E 2600 VDC for 2 sec (FN 351) Three-phase motor drives P > P 2250 VDC for 2 sec (FN 351H) P > E 2750 VDC for 2 sec (FN 351H) Inverters and converters P > P 1900 VDC for 2 sec (FN 351) Industrial automation equipment Maximum continuous operating voltage 3x 440/250 VAC (FN 351) UPS 3x 520/300 VAC (FN 351H) SMPS MTBF 40C/400V (Mil-HB-217F) 135,000 hours General purpose three-phase filtering Operating frequency dc to 60 Hz Overload capability 4x rated current at switch on, Typical electrical schematic 1.5x rated current for 1 minute, once per hour Protection category IP20 Rated currents 8 to 280 A 40 C Temperature range (operation and storage) -25 C to +85 C (25/085/21) (FN 351) -25 C to +100 C (25/100/21) (FN 351H) EMC/EMI Products Schaffner Group Datasheets 2016 Filter selection table Filter* Rated current Typical drive Leakage current*** Power loss Weight Input/Output 40 C (25 C) power rating** 400 VAC/50 Hz 25 C/50 Hz connections A kW mA W kg FN 351-8-29 8 (9.2) 3 1.9 7 -29 0.8 FN 351-16-29 16 (18.5) 5.5 1.9 8 -29 1.3 FN 351-25-33 25 (28.9) 11 28.0 8 -33 1.4 FN 351-36-33 36 (41.6) 15 28.0 9 -33 1.5 FN 351-50-.. 50 (57.7) 22 29.5 11 -33 -47 1.6 FN 351-64-.. 64 (73.9) 30 29.5 15 -33 -34 1.7 FN 351-80-34 80 (92.3) 37 31.8 23 -34 5.6 FN 351-110-35 110 (127) 55 31.8 25 -35 5.8 FN 351-180-36 180 (208) 90 29.6 49 -36 13.0 FN 351-280-37 280 (323) 132 35.7 70 -37 28.0 FN 351H-8-29 8 (9.2) 4 2.3 7 -29 1.1 FN 351H-16-29 16 (18.5) 7.5 2.3 8 -29 1.3 FN 351H-25-33 25 (28.9) 15 32.7 8 -33 1.4 FN 351H-36-33 36 (41.6) 18.5 32.7 9 -33 1.5 FN 351H-50-.. 50 (57.7) 30 32.7 11 -33 1.6 FN 351H-64-33 64 (73.9) 37 32.7 15 -33 1.7 FN 351H-80-34 80 (92.3) 45 38.0 23 -34 5.6 FN 351H-110-35 110 (127) 75 38.0 25 -35 5.8 FN 351H-180-36 180 (208) 110 35.6 49 -36 13.0 FN 351H-280-37 280 (323) 160 42.9 70 -37 28.0 * To compile a complete part number, please replace the -.. with the required I/O connection style. ** Calculated at rated current, 400 VAC (FN 351)/480VAC (FN 351H) and cos phi = 0.8. The exact value depends upon the efficiency of the drive, the motor and the entire application. *** Maximum leakage under normal operating conditions (FN 351 at 400 V, FN 351H at 480 V). Note: if two phases are interrupted, worst case leakage could reach 6 times higher levels. Typical filter attenuation Per CISPR 17 A = 50 /50 sym B = 50/50 asym C = 0.1 /100 sym D = 100 /0.1 sym 8 A types 16 A types 25 A types 36 and 50 A types 64 A types 80 and 110 A types 180 A types 280 A types