DATASHEETIEC Inlet FiltersFN 370
Versatile Filtered Power Entry Module
Rated currents up to 6 ASingle or dual-fuse holderFuses Ø6.3 x 32 mm or Ø5 x 20 mmVoltage selector 100/120/230/240 VGeneral purpose applicationOptional medical versions (B type)Performance indicatorsTechnical specificationsMaximum continuous operating voltage250 V, 50/60 HzOperating frequencyDC to 400 HzRated currents2 to 6 A @ 40°C max.High potential test voltageP –> PE 2000 VAC for 2 sec (standard types)P –> N 760 VAC for 2 secP –> PE 2500 VAC for 2 sec (B types)Protection categoryIP 40 according to IEC 60529Temperature range (operation and storage)-25°C to +85°C (25/85/21)Design corresponding toUL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939Flammability corresponding toUL 94 V-2 or betterMTBF @ 40°C/230 V (Mil-HB-217F)550,000 hoursVoltage selector descriptionVOL-SE 4SP-4FunctionSeries/parallelVoltage marking1st1002nd1203rd2304th240Closed internal contact corresponding to1sta, c, e3sta, d4stb, d2stb, c, e
* Other selected voltage marking on request.
Approvals
The FN 370 power entry module combines an IECinlet, a mains filter with a single or dual- fuse holderand a voltage selector. Choosing FN 370 product linebrings you the rapid availability of a standard filterassociated with the necessary safety acceptances.Standard IEC connector filters are a practical solutionhelping you to pass EMI system approval in a shorttime. A wide selection on amperage ratings, fuseoptions, mounting possibilities and filters for medicalapplications are designed to offer you the desiredsolution.
Features and benefits
Good conducted attenuation performance, basedon chokes with high saturation resistance andexcellent thermal behaviorRear/front or snap-in mountingSingle or dual-fuse holderUSA Ø6.3 x 32 mm or EU Ø5 x 20 mm fusesTwo attenuation performance rangesVoltage selector 100/120/230/240 VCustom-specific versions are available on request
Typical applications
Portable electrical and electronic equipmentConsumer goodsEDP and office equipmentSingle-phase power supplies, switch-mode powersuppliesTest and measurement equipmentMedical equipment
Typical electrical schematic
2EMC/EMI ProductsSchaffner GroupDatasheets2017Filter selection table
Filter*Rated currentLeakage current**InductanceCapacitanceResistanceOutputFuses***Weight@ 40°C (25°C)@ 230 VAC/50 HzLCxCyRconnections[A][μA][mH][nF][nF][kΩ][Qty][g]FN 370-2-2.12 (2.4)3730.70472.213155FN 370-4-2.14 (4.8)3730.30472.213155FN 370-6-2.16 (7.2)3730.18472.213155FN 372-2-2.22 (2.4)3730.70472.213255FN 372-4-2.24 (4.8)3730.30472.213255FN 372-6-2.26 (7.2)3730.18472.213255FN 378-2-2.22 (2.4)3730.70472.213260FN 378-4-2.24 (4.8)3730.30472.213260FN 378-6-2.26 (7.2)3730.18472.213260FN 379-2-2.22 (2.4)3732.00472.213270FN 379-4-2.24 (4.8)3730.80472.213270FN 379-6-2.26 (7.2)3730.50472.213270FN 379 B-2-2.22 (2.4)22.0047100013270FN 379 B-4-2.24 (4.8)20.8047100013270FN 379 B-6-2.26 (7.2)20.5047100013270*Select the requested fuse holder for fuse EUR-1 or USA-1.**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
3EMC/EMI ProductsSchaffner GroupDatasheets2017Typical 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 dataFN 370/FN 372FN 378/FN 379Connection designationPanel cut out
4EMC/EMI ProductsSchaffner GroupDatasheets2017Dimensions
FN 370FN 372FN 378FN 379TolerancesA32325050±0.3B58585858±0.3C4040±0.1D54545464.5F5.55.55.55.5HØ3.3Ø3.3J12.512.512.512.5MR ≤2R ≤2R ≤2R ≤2±0.1N55.9*/56.2**55.9*/56.2**55.9*/56.2**55.9*/56.2**+0.2/-0P28.528.528.528.5+0.2/-0RM3M3S90°90°U9999*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 mmTolerances according: ISO 2768-m/EN 22768-mPlease visit www.schaffner.com to find more details on filter connectors.
5EMC/EMI ProductsSchaffner GroupDatasheets2017
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