DATASHEET IEC Inlet Filters FN390

Versatile Filtered Power Entry Module

Rated currents up to 10 A Approvals & Compliances

For one or two fuses
Fuses Ø6.3 x 32 mm or Ø5 x 20 mm
2-pole rocker switch
Voltage selector
Optional earth line choke (E type)

The FN 390 power entry module combines an IEC

inlet, mains filter with single or dual-fuse holder,
voltage selector and 2-pole rocker switch. Choosing
Performance indicators FN 390 product line 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. Multiple options designed to
offer you the desired solution.

Features and benefits

High conducted attenuation performance, based
on chokes with high saturation resistance and
excellent thermal behavior
Rear or front mounting
Technical specifications Single or dual-fuse holder
USA Ø6.3 x 32 mm or EU Ø5 x 20 mm fuses
Maximum continuous operating voltage 250 VAC, 50/60 Hz 2-pole rocker switch
Operating frequency DC to 400 Hz
Voltage selector 110-120 V/220-240 V
Rated currents 1 to 10 A @ 40°C max.
Custom-specific versions are available on request
High potential test voltage P –> PE 2000 VAC for 2 sec
P –> N 760 VAC for 2 sec
Protection category IP 40 according to IEC 60529 Typical applications
Temperature range (operation and storage) -25°C to +85°C (25/85/21)
Portable electrical and electronic equipment
Design corresponding to UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939
Consumer goods
Flammability corresponding to UL 94V-2 or better
MTBF @ 40°C/230 V (Mil-HB-217F) 2,200,000 hours EDP and office equipment
Voltage selector description Single-phase power supplies, switch-mode power
Function Series/parallel supplies
Voltage marking Test and measurement equipment
Series 110-120 V
Parallel 220-240 V Typical electrical schematic
Rocker switch description
Function 2-pole, dark not illuminated
Marking I - 0
Electrical specifications Inrush current 51 A
6,000 on-off operations according to UL 1054, TV 5
10,000 on-off operations according to ENEC
Mechanical life 50,000 cycles
Switch ratings
USA (UL) and Canada (C-UL) 10 A, 125 VAC; 10 A, 250 VAC; 1/3 HP
Europe (ENEC) 10 A (4 A), 250 VAC*
* Value in () relates to the inductive current charge: cos φ=0.65
2 EMC/EMI Products Schaffner Group Datasheets 05 Jan 2022

Filter selection table

Filter Rated current Leakage current* Inductance Capacitance Resistance Output Fuses** Weight
@ 40°C (25°C) @ 230 VAC/50 Hz L1 L2 Cx Cx1 Cy R connections

[A] [μA] [mH] [mH] [nF] [nF] [nF] [kΩ] [Qty] [g]
FN 393-1-05-11 1 (1.2) 560 7.5 220 3.3 1000 05-11 1 200
FN 393-2.5-05-11 2.5 (3) 560 2 220 3.3 1000 05-11 1 200
FN 393-6-05-11 6 (7.2) 560 0.45 220 3.3 1000 05-11 1 200
FN 394-1-05-11 1 (1.2) 560 7.5 220 3.3 1000 05-11 2 200
FN 394-2.5-05-11 2.5 (3) 560 2 220 3.3 1000 05-11 2 200
FN 394-6-05-11 6 (7.2) 560 0.45 220 3.3 1000 05-11 2 200

FN 393 E-1-05-11 1 (1.2) 560 7.5 0.4 220 3.3 1000 05-11 1 205
FN 393 E-2.5-05-11 2.5 (3) 560 2 0.4 220 3.3 1000 05-11 1 205
FN 393 E-6-05-11 6 (7.2) 560 0.45 0.4 220 3.3 1000 05-11 1 205
FN 394 E-1-05-11 1 (1.2) 560 7.5 0.4 220 3.3 1000 05-11 2 205
FN 394 E-2.5-05-11 2.5 (3) 560 2 0.4 220 3.3 1000 05-11 2 205
FN 394 E-6-05-11 6 (7.2) 560 0.45 0.4 220 3.3 1000 05-11 2 205

FN 1393-1-05-11 1 (1.2) 797 16 220 100 4.7 470 05-11 1 210

FN 1393-2.5-05-11 2.5 (3) 797 8 220 100 4.7 470 05-11 1 210
FN 1393-6-05-11 6 (7.2) 797 2.5 220 100 4.7 470 05-11 1 210
FN 1393-10-05-11 10 (12) 797 0.6 220 100 4.7 470 05-11 1 210
FN 1394-1-05-11 1 (1.2) 797 16 220 100 4.7 470 05-11 2 210
FN 1394-2.5-05-11 2.5 (3) 797 8 220 100 4.7 470 05-11 2 210
FN 1394-6-05-11 6 (7.2) 797 2.5 220 100 4.7 470 05-11 2 210
FN 1394-10-05-11 10 (12) 797 0.6 220 100 4.7 470 05-11 2 210

* 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.
Note: for medical versions please contact your local partner within Schaffner‘s global network.

Product selector

For example: FN 393-1-05-11, FN 394 E-2.5-05-11, FN 1394-10-05-11

3 EMC/EMI Products Schaffner Group Datasheets 05 Jan 2022

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 39x: 1 A types FN 39x: 2.5 A types FN 39x: 6 A types

FN 139x: 1 A types FN 139x: 2.5 A types FN 139x: 6 and 10 A types

Mechanical data
1 to 10 A types Panel cut out
4 EMC/EMI Products Schaffner Group Datasheets 05 Jan 2022

Dimensions

1 to 10 A Tolerances
A 50 ±0.3
B 65 ±0.3
C 40 ±0.1
D 70 ±0.5
E 28.5 ±0.3
F 5.5 ±0.3
G 59.8 ±0.2
H Ø 3.3
I 13.5 ±0.5
J 7.5
M R ≤ 2.5
N 60 +0.5/-0
P 29 +0.5/-0
R M3
S 90°
U 15 ±0.3

All dimensions in mm; 1 inch=25.4 mm

Tolerances according: ISO 2768-m/EN 22768-m

Please visit www.schaffner.com to find more details on filter connections.

5 EMC/EMI Products Schaffner Group Datasheets 05 Jan 2022

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