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3-Phase Filters FN351H

General Purpose EMC Filter

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FN351H

General Purpose EMC Filter

  • EMC solution for industrial inverters and motor drives
  • Rated currents from 8 to 280 A
  • Voltage level up to 520 V
  • High differential and common-mode attenuation

Features and Benefits

Broad range of power ratings for fast and convenient filter selection
FN351H filters provide a broadband common and differential-mode attenuation performance, which remains available also when high interference levels are present
Solid, touch-safe filter terminals contribute to overall equipment safety
Introduced as one of the very first motor drive EMC filters in the market, FN351H and its predecessor FN351 have been widely imitated and has successfully proven its function over more than 10 years

Typical Applications

Three-phase motor drives
Inverters and converters
Industrial automation equipment
UPS
SMPS
General purpose three-phase filtering

Technical Specifications

Maximum continuous operating voltage

3x520/300 VAC

Nominal operating voltage

480 VAC

Rated currents

8 to 280 A @ 40°C

Overload capability

4x rated current at switch on,

1.5x rated current for 1 minute, once per hour

Operating frequency

DC to 60 Hz

High potential test voltage

P –> P 2250 VDC for 2 sec

P –> E 2750 VDC for 2 sec

Temperature range (operation and storage)

-25°C to +100°C (25/100/21)

Protection category

IP 20

Flammability corresponding to

UL 94 V-2 or better

Design corresponding to

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

MTBF (Mil-HB-217F)

>135,000 h @ 40°C/480 V

Typical electrical schematic

FN351H

Approvals & Compliances

RoHS Label
UL Recognized Label
ENEC 14 Label
CSA Label
C CSA US Label
CE Label
UKCA Label

Approvals up to 110 A

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