DATASHEET IEC Inlet Filters FN 370 Versatile Filtered Power Entry Module Rated currents up to 6 A Approvals Single or dual-fuse holder Fuses Ø6.3 x 32 mm or Ø5 x 20 mm Voltage selector 100/120/230/240 V General purpose application Optional medical versions (B type) The FN 370 power entry module combines an IEC inlet, a mains filter with a single or dual- fuse holder and a voltage selector. Choosing FN 370 product line Performance indicators brings you the rapid availability of a standard filter associated with the necessary safety acceptances. Standard IEC connector filters are a practical solution helping you to pass EMI system approval in a short time. A wide selection on amperage ratings, fuse options, mounting possibilities and filters for medical applications are designed to offer you the desired solution. Features and benefits Good conducted attenuation performance, based on chokes with high saturation resistance and Technical specifications excellent thermal behavior Rear/front or snap-in mounting Maximum continuous operating voltage 250 V, 50/60 Hz Single or dual-fuse holder Operating frequency DC to 400 Hz USA Ø6.3 x 32 mm or EU Ø5 x 20 mm fuses Rated currents 2 to 6 A @ 40°C max. Two attenuation performance ranges High potential test voltage P –> PE 2000 VAC for 2 sec (standard types) Voltage selector 100/120/230/240 V P –> N 760 VAC for 2 sec Custom-specific versions are available on request P –> PE 2500 VAC for 2 sec (B types) Protection category IP 40 according to IEC 60529 Temperature range (operation and storage) -25°C to +85°C (25/85/21) Typical applications Design corresponding to UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939 Portable electrical and electronic equipment Flammability corresponding to UL 94 V-2 or better Consumer goods MTBF @ 40°C/230 V (Mil-HB-217F) 550,000 hours EDP and office equipment Voltage selector description VOL-SE 4SP-4 Function Series/parallel Single-phase power supplies, switch-mode power supplies Voltage marking 1st 100 Test and measurement equipment 2nd 120 Medical equipment 3rd 230 4th 240 Typical electrical schematic Closed internal contact corresponding to 1st a, c, e 3st a, d 4st b, d 2st b, c, e * Other selected voltage marking on request.

2 EMC/EMI Products Schaffner Group Datasheets 11 Oct 2018 Filter selection table Filter* Rated current Leakage current** Inductance Capacitance Resistance Output Fuses*** Weight @ 40°C (25°C) @ 230 VAC/50 Hz L Cx Cy R connections [A] [μA] [mH] [nF] [nF] [kΩ] [Qty] [g] FN 370-2-2 z 2 (2.4) 373 0.70 47 2.2 13 1 55 FN 370-4-2 z 4 (4.8) 373 0.30 47 2.2 13 1 55 FN 370-6-2 z 6 (7.2) 373 0.18 47 2.2 13 1 55 FN 372-2-2 z 2 (2.4) 373 0.70 47 2.2 13 2 55 FN 372-4-2 z 4 (4.8) 373 0.30 47 2.2 13 2 55 FN 372-6-2 z 6 (7.2) 373 0.18 47 2.2 13 2 55 FN 378-2-2 z 2 (2.4) 373 0.70 47 2.2 13 2 60 FN 378-4-2 z 4 (4.8) 373 0.30 47 2.2 13 2 60 FN 378-6-2 z 6 (7.2) 373 0.18 47 2.2 13 2 60 FN 379-2-2 z 2 (2.4) 373 2.00 47 2.2 13 2 70 FN 379-4-2 z 4 (4.8) 373 0.80 47 2.2 13 2 70 FN 379-6-2 z 6 (7.2) 373 0.50 47 2.2 13 2 70 FN 379 B-2-2 z 2 (2.4) 2 2.00 47 1000 13 2 70 FN 379 B-4-2 z 4 (4.8) 2 0.80 47 1000 13 2 70 FN 379 B-6-2 z 6 (7.2) 2 0.50 47 1000 13 2 70 * Select the requested fuse holder for fuse EUR-1 or USA-1 (z). ** Maximum leakage under normal operating conditions. Note: if the neutral line is interrupted, worst case leakage could reach twice this level. *** Filters are delivered without fuse. Product selector For example: FN 370-6-21, FN 378-4-22, FN 379 B-2-22

3 EMC/EMI Products Schaffner Group Datasheets 11 Oct 2018 Typical filter attenuation Per CISPR 17; A=50 Ω/50 Ω sym; B=50 Ω/50 Ω asym; C=0.1 Ω/100 Ω sym; D=100 Ω/0.1 Ω sym FN 370/FN 372/FN 378 FN 379 6A Types only Mechanical data FN 370/FN 372 FN 378/FN 379 Connection designation Panel cut out

4 EMC/EMI Products Schaffner Group Datasheets 11 Oct 2018 Dimensions FN 370 FN 372 FN 378 FN 379 Tolerances A 32 32 50 50 ±0.3 B 58 58 58 58 ±0.3 C 40 40 ±0.1 D 54 54 54 64.5 F 5.5 5.5 5.5 5.5 H Ø3.3 Ø3.3 J 12.5 12.5 12.5 12.5 M R ≤2 R ≤2 R ≤2 R ≤2 ±0.1 N 55.9*/56.2** 55.9*/56.2** 55.9*/56.2** 55.9*/56.2** +0.2/-0 P 28.5 28.5 28.5 28.5 +0.2/-0 R M3 M3 S 90° 90° U 9 9 9 9 * For a panel thickness between 0.8 and 3 mm ** For a back panel thickness between 2.1 and 3.2 mm All dimensions in mm; 1 inch = 25.4 mm Tolerances according: ISO 2768-m/EN 22768-m Please visitwww.schaffner.comto find more details on filter connectors.

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