FN256-8-46

3-phase + neutral line filters FN 256 Compact general purpose three-phase and neutral line EMC filter n Three-phase and neutral line filter for general purpose four-wire filtering n Compact space-saving design n Choice of connection style n Low operating leakage current Technical specifications Maximum continuous operating voltage: Operating frequency: Rated currents: High potential test voltage: Protection category: Overload capability: Temperature range (operation and storage): Flammability corresponding to: Design corresponding to: MTBF @ 50°C/400V (Mil-HB-217F): Typical electrical schematic 3x 480/277VAC dc to 60Hz 8 to 160A @ 50°C P –> E 2650VDC for 2 sec P –> P 2100VDC for 2 sec IP20 IP00 (filters with connectors -28) 4x rated current at switch on, 1.5x rated current for 1 minute, once per hour -25°C to +100°C (25/100/21) UL 94V-2 or better UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939 600,000 hours Features and benefits n FN 256 filters are designed specifically for Approvals L L1 L1‘ L2 L2‘ L3 L3‘ Cx R N N‘ Cy R1 E E Line Typical applications n General purpose four-wire filtering also increase conducted immunity and n High-power office equipment ranging from industrial controls to medical thus contribute to overall system reliability. n Power supplies electronics systems. These typically involve n n UPS insufficiently filtered converters and ratings in line with common fuse values n Medical applications switch-mode power supplies on different support a fast and easy application-specific n Electrical cabinets phases, causing current imbalance and filter selection and deployment. n Control panels significant interference problems. n n applications involving asymmetric loads, n Used as a mains input filter, FN 256 filters Choice of connection style as well as filter A light weight aluminium housing with a Employing single-stage filter circuits for small footprint ensures that the filters can each phase and the neutral line, FN 256 fil- be easily accommodated on control panels ters provide high attenuation of both sym- and in tight power cabinets. metrical and asymmetrical interference. Load > Components > FN 256 Filter selection table Filter* FN 256-8-46 FN 256-16-46 FN 256-25-47 FN 256-36-47 FN 256-64-52 FN 256-80-.. FN 256-120-.. FN 256-160-.. Rated current @ 50°C (40°C) Leakage current** @ 400VAC/50Hz Power loss @ 25°C/50Hz [A] [mA] 8 (8.8) 3.4 16 (17.5) 3.4 25 (27) 3.4 36 (39) 3.4 64 (70) 3.4 80 (88) 3.4 120 (131) 5.0 160 (175) 6.8 Input/Output connections Weight [W] 2.7 -46 6.0 -46 11.6 -47 14.8 -47 18.4 -52 18.8 -28*** -34 25.1 -28*** -35 30.7 -28*** -40 [kg] 0.8 1.1 1.4 1.5 2.2 4.5 6.1 8.0 * 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. *** Filters with -28 connections are rated for 40°C environmental temperature only. Typical filter attenuation Per CISPR 17; A = 50Ω/50Ω sym; B = 50Ω/50Ω asym; C = 0.1Ω/100Ω sym; D = 100Ω/0.1Ω sym 8A types 16A types 25A types 36A types 64A types 80A types 120A types 160A types > Components > FN 256 Mechanical data 8 to 64A types 80 to 160A types (-28) 80 to 160A types (-34, -35, -40) Dimensions 8A 16A 25A 36A 64A 80A (-28) 80A (-34) 120A (-28) 120A (-35) 160A (-28) 160A (-40) A B C D E F G H I J K L 120 120 130 130 140 160 160 180 180 200 200 143 143 153 153 153 170 170 170 170 170 170 80 80 115 115 125 110 110 130 140 130 160 115 115 125 125 125 140 140 140 140 140 140 80 80 90 90 100 110 110 130 130 150 150 127.5 127.5 137.5 137.5 137.5 153.5 153.5 153.5 153.5 153.5 153.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 1 1 1 1 1.5 1.5 1.5 1.5 1.5 1.5 1.5 18 18 18 18 18 33.5 39 33.5 45 33.5 49.5 M6 M6 M6 M6 M6 M10 M10 M10 M10 M10 M10 12 12 13 13 13 17.5 17.5 17.5 17.5 17.5 17.5 33 33 50 50 50 30 30 30 30 30 30 All dimensions in mm; 1 inch = 25.4mm Tolerances according: ISO 2768-m / EN 22768-m Filter input/output connector cross sections -28 (M10) -34 -35 -40 -46 -47 -52 Solid wire n/a Flex wire n/a AWG type wire n/a Recommended torque 15 - 17Nm 35mm2 50mm2 95mm2 10mm2 16mm2 25mm2 25mm2 50mm2 95mm2 6mm2 10mm2 16mm2 AWG 2 AWG 1/0 AWG 4/0 AWG 10 AWG 8 AWG 4 4.0 - 4.5Nm 7 - 8Nm 17 - 20Nm 0.7 - 0.8Nm 1.9 - 2.2Nm 1.9 - 2.2Nm Please visit www.schaffner.com to find more details on filter connectors. 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