DATASHEET
IEC Inlet Filters FN 370
Versatile Filtered Power Entry Module
Rated currents up to 6 A
Single or dual-fuse holder
Approvals
Fuses Ø 6.3 x 32 mm or Ø 5 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
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
excellent thermal behavior
Rear/front or snap-in mounting
250 V, 50/60 Hz
dc to 400 Hz
2 to 6 A @ 40 °C max.
P –> PE 2000 VAC for 2 sec (standard types)
P –> N 760 VAC for 2 sec
P –> PE 2500 VAC for 2 sec (B types)
IP40 according to IEC 60529
-25 °C to +85 °C (25/85/21)
Single or dual-fuse holder
Technical specifications
Maximum continuous operating voltage
Operating frequency
Rated currents
High potential test voltage
USA Ø 6.3 x 32mm or EU Ø 5 x 20mm fuses
Two attenuation performance ranges
Voltage selector 100/120/230/240 V
Custom-specific versions are available on request
Protection category
Temperature range (operation and storage)
Design corresponding to
Flammability corresponding to
Typical applications
Portable electrical and electronic equipment
Consumer goods
EDP and office equipment
MTBF @ 40°C/230V (Mil-HB-217F)
Voltage selector description
Function
Voltage marking
1st
2nd
3rd
4th
1st
2st
3st
* Other selected voltage marking on request.
UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939
UL 94 V-2 or better
550,000 hours
VOL-SE 4SP-4
Series/parallel
100
120
230
240
a, c, e
Single-phase power supplies, switch-mode power
supplies
Test and measurement equipment
Medical equipment
Typical electrical schematic
Closed internal contact corresponding to
4st
b, c, e
a, d
b, d
2
EMC/EMI Products
Schaffner Group
Datasheets
2015
Filter selection table
Filter*
@ 40 °C (25 °C)
[A]
Rated current
Leakage current**
@ 230 VAC/50 Hz
[μA]
Inductance
L
[mH]
Capacitance
Cx
[nF]
Cy
[nF]
Resistance
R
[kΩ]
connections
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
1000
1000
1000
13
13
13
Output
Fuses***
[Qty]
Weight
[g]
FN 370-2-2.1
FN 370-4-2.1
FN 370-6-2.1
FN 372-2-2.2
FN 372-4-2.2
FN 372-6-2.2
FN 376-2-2.1
FN 376-4-2.1
FN 376-6-2.1
FN 378-2-2.2
FN 378-4-2.2
FN 378-6-2.2
FN 379-2-2.2
FN 379-4-2.2
FN 379-6-2.2
FN 379B-2-2.2
FN 379B-4-2.2
FN 379B-6-2.2
*
**
***
2 (2.4)
4 (4.8)
6 (7.2)
2 (2.4)
4 (4.8)
6 (7.2)
2 (2.4)
4 (4.8)
6 (7.2)
2 (2.4)
4 (4.8)
6 (7.2)
2 (2.4)
4 (4.8)
6 (7.2)
2 (2.4)
4 (4.8)
6 (7.2)
373
373
373
373
373
373
373
373
373
373
373
373
373
373
373
2
2
2
0.70
0.30
0.18
0.70
0.30
0.18
0.70
0.30
0.18
0.70
0.30
0.18
2.00
0.80
0.50
47
47
47
47
47
47
47
47
47
47
47
47
47
47
47
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
1
1
1
2
2
2
1
1
1
2
2
2
2
2
2
55
55
55
55
55
55
55
55
55
60
60
60
70
70
70
2.00
0.80
0.50
47
47
47
2
2
2
70
70
70
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 379B-2-22
3
EMC/EMI Products
Schaffner Group
Datasheets
2015
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 376 / FN 378
FN 379
6A Types only
Mechanical data
FN 370 / FN 372
FN 376 / FN 378 / FN 379
Connection designation
Panel cut out
4
EMC/EMI Products
Schaffner Group
Datasheets
2015
Dimensions
FN 370
A
B
C
FN 372
32
58
54
FN 376
50
40
58
54
FN 378
50
40
58
54
FN 379
50
40
58
Tolerances
±0.3
±0.1
±0.3
32
58
54
D
F
J
H
M
N
P
S
*
**
R
U
5.5
12.5
5.5
12.5
Ø 3.3
R≤2
5.5
55.9*/56.2**
R≤2
28.5
55.9*/56.2**
R≤2
12.5
Ø 3.3
R≤2
5.5
64.5
Ø 3.3
R≤2
5.5
12.5
12.5
28.5
55.9*/56.2**
28.5
M3
90°
55.9*/56.2**
28.5
M3
90°
55.9*/56.2**
28.5
M3
90°
+0.2/-0
±0.1
+0.2/-0
9
For a panel thickness between 0.8 and 3 mm.
For a back panel thickness between 2.1 and 3.2 mm
9
9
9
9
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 connectors.
5
EMC/EMI Products
Schaffner Group
Datasheets
2015
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