Three-Phase Filters FN 351 General Purpose EMC Filter for Three-phase Applications EMC solution for industrial inverters and motor drives Approvals Rated currents from 8 to 280A Selectable voltage level of 440V and 520V High differential and commonmode attenuation Compliant with IEC 60950 (FN 351 up to 110A: UR, CSA, ENEC / FN 351H up to 110A: c-CSA-us, ENEC) Technical specifications Typical electrical schematic Features and benefits Typical applications Maximum continuous operating voltage: 3x 440/250VAC (FN 351) 3x 520/300VAC (FN 351H) Operating frequency: dc to 60Hz Rated currents: 8 to 280 A @ 40C High potential test voltage: P -> E 2600VDC for 2 sec (FN 351) P -> P 1900VDC for 2 sec (FN 351) P -> E 2750VDC for 2 sec (FN 351H) P -> P 2250VDC for 2 sec (FN 351H) Protection category: IP20 Overload capability: 4x rated current at switch on, 1.5x rated current for 1 minute, once per hour -25C to +85C (25/085/21) (FN 351) Temperature range (operation and storage): -25C to +100C (25/100/21) (FN 351H) 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): 135,000 hours Broad range of power ratings for fast Solid, touch-safe filter terminals Available as 440VAC (FN 351) and 520VAC (FN 351H) versions for networkspecific applications. and make the filters compliant with IEC and convenient filter selection. FN 351 filters provide a broadband common and differential-mode attenuation performance, which remains available also when high interference levels are present. contribute to overall equipment safety 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 over more than 10 years. Three-phase motor drives Inverters and converters Industrial automation equipment UPS SMPS General purpose three-phase filtering Three-Phase Filters > FN 351 Filter selection table Filter* Rated current @ 40C (25C) Typical drive power rating** Leakage current*** @ 400VAC/50Hz Power loss @ 25C/50Hz Input/Output connections FN FN FN FN FN FN FN FN FN FN 351-8-29 351-16-29 351-25-33 351-36-33 351-50-.. 351-64-.. 351-80-34 351-110-35 351-180-36 351-280-37 [A] 8 (9.2) 16 (18.5) 25 (28.9) 36 (41.6) 50 (57.7) 64 (73.9) 80 (92.3) 110 (127) 180 (208) 280 (323) [kW] 3 5.5 11 15 22 30 37 55 90 132 [mA] 1.9 1.9 28.0 28.0 29.5 29.5 31.8 31.8 29.6 35.7 [W] 7 8 8 9 11 15 23 25 49 70 -29 -29 -33 -33 -33 -33 -34 -35 -36 -37 FN FN FN FN FN FN FN FN FN FN 351H-8-29 351H-16-29 351H-25-33 351H-36-33 351H-50-.. 351H-64-33 351H-80-34 351H-110-35 351H-180-36 351H-280-37 8 (9.2) 16 (18.5) 25 (28.9) 36 (41.6) 50 (57.7) 64 (73.9) 80 (92.3) 110 (127) 180 (208) 280 (323) 4 7.5 15 18.5 30 37 45 75 110 160 2.3 2.3 32.7 32.7 32.7 32.7 38.0 38.0 35.6 42.9 7 8 8 9 11 15 23 25 49 70 -29 -29 -33 -33 -33 -33 -34 -35 -36 -37 -34 -34 -34 Weight [kg] 0.8 1.3 1.4 1.5 1.6 1.7 5.6 5.8 13.0 28.0 1.1 1.3 1.4 1.5 1.6 1.7 5.6 5.8 13.0 28.0 * To c ompile a c omplete part number, please replac e the -.. with the required I/O c onnec tion style. ** Calc ulated at rated c urrent, 400VAC (FN 351)/480VAC (FN 351H) and c os phi = 0.8. The exac t value depends upon the effic ienc y of the drive, the motor and the entire applic ation. *** Maximum leakage under normal operating c onditions (FN 351 at 400V, FN 351H at 480V). Note: if two phases are interrupted, worst c ase leakage c ould reac h 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 8A types 16A types 25A types 36 and 50A types 64A types 80 and 110A types 180A types 280A types Three-Phase Filters > FN 351 Mechanical data 8 and 16A types 25 to 64A types 80 and 110A types 180 and 280A types Dimensions 8A A B C D E F G H I J K L 180 115 60 85 115 100 6.5 1 17 M6 13 17 8A (-H) 200 150 65 120 115 136 6.5 1 17 M6 19.25 17 16A 25A 36A 200 150 65 120 115 136 6.5 1 17 M6 19.25 17 200 150 65 120 115 136 6.5 1 25 M6 19.25 18.4 200 150 65 120 115 136 6.5 1 25 M6 19.25 18.4 50A (-33) 200 150 65 120 115 136 6.5 1 25 M6 19.25 18.4 50A (-34) 200 150 65 120 115 136 6.5 1 39 M6 18.75 17 64A (-33) 200 150 65 120 115 136 6.5 1 25 M6 19.25 18.4 64A (-34) 200 150 80 120 115 136 6.5 1 39 M6 18.75 17 80A 110A 180A 280A 400 170 90 350 373 130 15 x 6.5 1 39 M10 40 70 400 170 90 350 373 130 15 x 6.5 1 45 M10 40 70 510 180 130 360 470 156 16 x 9 4 85 M10 25 85 700 260 155 530 660 220 16 x 9 4 110 M10 30 100 All dimensions in mm; 1 inc h = 25.4mm Toleranc es ac c ording: IS O 2768-m / EN 22768-m Filter input/output connector cross sections -29 -33 -34 -35 -36 -37 Solid wire 6mm2 16mm2 35mm2 50mm2 95mm2 150mm2 AWG type wire Recommended torque AWG 10 0.6 - 0.8Nm AWG 6 1.5 - 1.8Nm AWG 2 4.0 - 4.5Nm AWG 1/0 7 - 8Nm AWG 4/0 17 - 20Nm Flex wire 4mm2 10mm2 25mm2 50mm2 95mm2 Please visit www.sc haffner.c om to find more details on filter c onnec tors. 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