DATASHEET 3-Phase Filters FN 3258 Ultra-compact EMC/RFI Filter for Motor Drives Applications New: solid safety connector blocks available for Approvals & Compliances the whole range Exceptional attenuation performance from 150 kHz to 30 MHz Excellent saturation resistance up to 50 m cable length Most compact and slim filter design in its class Features and benefits The extremely compact and slim filter design allows a trouble-free installation even where the available Performance indicators mounting space is minimal With new additional filter types providing safety terminal blocks, the most preferred connection style can be chosen fast and easy. This helps to stay in line with the electrical connection concept of a given application FN 3258 filters ensure compliance with Class A limits according to EN 55011 up to 50 m cable length and beyond. Further they can contribute significantly to meet conducted emission limits according to Class B Filter operation on the mains input side of consumers increases their reliability and conducted Technical specifications immunity significant Chokes with exceptional saturation resistance and Maximum continuous operating voltage 3x 480/277 VAC (FN 3258) excellent thermal behavior are a vital part of FN 3x 520/300 VAC (FN 3258 H) 3258 design. Thus, all filters retain the expected filter Operating frequency DC to 60 Hz performance even in very noisy applications and 7 to 180 A 50C Rated currents under full load conditions High potential test voltage P > E 2650 / 2750 VDC for 2 sec (FN 3258 / FN 3258H) P > P 2100 / 2250 VDC for 2 sec (FN 3258 / FN 3258H) Typical applications IP 20 Protection category Overload capability 1.5x rated current for 1 minute, once per hour Three-phase variable speed motor drives, servo 4x rated current at switch on, drives, inverters and converters -25C to +100C (25/100/21) Temperature range (operation and storage) Applications comprising energy conversion devices Flammability corresponding to UL 94 V-2 or better like machines or process automation equipment Design corresponding to UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939 HVAC equipment, elevators, power supplies, UPS MTBF 50C/400 V (Mil-HB-217F) 300,000 hours and further three-phase applications Typical electrical schematic2 EMC/EMI Products Schaffner Group Datasheets 09 Dec 2021 Filter selection table Filter Buy Rated current Typical drive Leakage current** Power loss Input/Output Weight 50C (40C) 25C/50 Hz Connections Power Rating* 480/520 VAC/50 Hz A kW mA W kg FN3258-7-44 7 (7.7) 4 4.3 3.8 -44 0.5 FN3258-16-44 16 (17.5) 7.5 4.3 6.1 -44 0.8 FN3258-30-33 30 (32.9) 15 4.3 11.8 -33 1.2 FN3258-42-33 42 (46.0) 22 4.3 15.7 -33 1.4 FN3258-55-34 55 (60.2) 30 4.3 25.9 -34 2.0 FN3258-75-34 75 (82.2) 37 4.3 32.2 -34 2.7 FN3258-100-35 100 (109.5) 55 4.3 34.5 -35 4.3 FN3258-130-35 130 (142.4) 75 4.3 43.1 -35 4.5 FN3258-180-40 180 (197.1) 90 4.3 58.3 -40 6.0 FN3258H-7-44 7 (7.7) 4 4.7 3.8 -44 0.5 FN3258H-16-44 16 (17.5) 7.5 4.7 6.1 -44 0.8 FN3258H-30-33 30 (32.9) 18.5 4.7 11.8 -33 1.2 FN3258H-42-33 42 (46.0) 22 4.7 15.7 -33 1.4 FN3258H-55-34 55 (60.2) 37 4.7 25.9 -34 2.0 FN3258H-75-34 75 (82.2) 45 4.7 32.2 -34 2.7 FN3258H-100-35 100 (109.5) 55 4.7 34.5 -35 4.3 FN3258H-130-35 130 (142.4) 75 4.7 43.1 -35 4.5 FN3258H-180-40 180 (197.1) 110 4.7 58.3 -40 6.0 * Calculated at rated current, 440 VAC (FN3258)/480 VAC (FN3258H) and cos phi=0.8. The exact value depends upon the efficiency of the drive, the motor and the entire application. ** Standardized calculated leakage current acc. IEC60939 under normal operating conditions (FN3258 at 480 VAC and FN3258H at 520 VAC). Thermal Derating If higher ambient temperatures than the specified apply, the nominal current needs to be reduced according to the graph below.