DATASHEET
Single-Stage Filters FN 350
Compact EMC/RFI Filter for Motor Drives
2019
13 Feb 2019
EMC/EMI Products
FN 350: Compact EMC/RFI Filter for Motor Drives
  • Compact filter solution for single-phase motor drive applications
  • Industrial grade safety terminal blocks
  • Designed to meet EN 55011/14/22
  • Compliant with IEC 60950

Performance indicators

Technical specifications

Maximum continuous operating voltage

1x 250 VAC

Operating frequency

DC to 400 Hz

Rated currents

8 to 55 A @ 40°C max.

High potential test voltage

P –> E 2000 VAC for 2 sec
P –> N 1100 VDC for 2 sec

Protection category

IP 20

Overload capability

4x rated current at switch on,
1.5x rated current for 1 minute, once per hour

Temperature range (operation and storage)

-25°C to +100°C (25/100/21)

Flammability corresponding to

UL 94 V-2 or better

Design corresponding to

UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939

MTBF @ 40°C/230 V (Mil-HB-217F)

420,000 hours

Approvals

Features and benefits

  • High component values optimized for common and differential-mode attenuation in the lower frequency range makes this filter ideal for a large variety of single-phase motor drive applications
  • Supplied in a relatively small housing design with safety terminal blocks for fast and easy installation in primarily industrial environments
  • FN 350 also meets IEC 60950 requirements, thus providing additional application flexibility

Typical applications

  • Single-phase motor drives
  • Automation equipment
  • Power supplies, SMPS
  • Office equipment
  • Testing and measurements equipment

Typical electrical schematic

Filter selection table

Filter 

Rated current 

Leakage current* 

Power loss 

Input/Output 

Weight 

@ 40°C (25°C) 

@ 230 VAC/50 Hz 

@ 25°C/50 Hz 

connections 

[A] 

[mA] 

[W] 

[kg]

FN 350-8-29 

8 (9.0) 

4.9 

5.2 

-29 

0.7

FN 350-12-29 

12 (13.5) 

4.9 

5.7 

-29 

0.7

FN 350-20-29 

20 (22.4) 

4.9 

6.1 

-29 

0.7

FN 350-30-33 

30 (33.6) 

5.4 

6.1 

-33 

0.7

FN 350-55-.. 

55 (61.5) 

11.0 

9.9 

-33 

-24 

1.2

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

8 A types

12 A types

20 and 30 A types

55 A types

Mechanical data

8 to 30 A types

55 A types (terminal -33)

55 A types (terminal -24)

Dimensions

8 A  12 A  20 A  30 A  55 A (-33)55 A (-24)
A 99.5  99.5  99.5  99.5  180180
B 105  105  105  105  115115
C 57  57  57  57.6  6060
D 84.4  84.4  84.4  84.4  8585
E 51  51  51  51  115115
F 95  95  95  95  100100
G 6 x 4.4  6 x 4.4  6 x 4.4  6 x 4.4  6.56.5
H 0.6  0.6  0.6  1.2 11
I 19.5  19.5  19.5  25  25 23.7
J M6  M6  M6  M6  M6 M6
K 18  18  18  16  12.912.9
L 16  16  16  19  18.317

Filter input/output connector cross sections

 

-29 

-33

-24 (M6)

Solid wire 

6 mm2

16 mm2

Flex wire 

4 mm2

10 mm2

AWG type wire 

AWG 10 

AWG 6

Recommended torque 

0.6-0.8 Nm 

1.5-1.8 Nm

3.5-4.0 Nm

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© 2018 Schaffner Group

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