Very High Performance Single-Phase Filters FN2520

Low Profile - High performance, EMC/EMI filter


Low Profile - High performance, EMC/EMI filter

  • Excellent EMC filter for robotics, datacenters and a variety of other applications
  • Available terminals: Fast-on, wire leads, bolt and clamps
  • Voltage rating up to 277 VAC / 400 VDC
  • Fits within 1 height unit (HU) of a 19" rack application
  • 50°C operating temperature
  • 2-stage filter performance

Features and Benefits

FN2520 series fits perfectly within 1HU height for rack mount applications
The filters are built to perform perfectly in datacenter and audio video equipment
The shape allows convenient and space-saving installation
Fulfills the requirements in IEC/EN 62040-1 - Uninterruptible power systems (UPS)
Fulfills the requirements in IEC 62368-1 - Audio/Video, Information and Communication Technology Equipment
Fulfills the requirements in IEC/EN 60335-1 - Household and similar appliances

Typical Applications

Datacenter (at 400 VDC)
Building technology with DC power distribution
Robotics, collaborative robots, autonomous machines
Audio and video equipment
UPS - Uninterruptible power supplies

Technical Specifications

Rated operating voltage

277 VAC / 400 VDC (CQC: 250 VAC / 250 VDC)

Operating frequency

DC to 60 Hz

Rated currents

10 to 32 A @ 50°C

Overload capability

1.5 x rated current for 1 minute once per hour


Natural cooling AN

Climatic category

FN2500: 40/100/21 acc. IEC60068-1

Flammability corresponding to

Plastic material: UL 94 V0

Laces for -07 version: UL 94 VW1

Surge withstand

2 kV Ph-Ph / 4 kV Ph-PE (Level 4)

High potential test voltage

P(DC+) –> N(DC-) 1500 VDC for 2 sec*

P(DC+)/N(DC-) –> PE 2500 VDC for 2 sec*


Derating above 2000 m

Certified to

UL/IEC 60939-3, CSA 22.2 No. 8-13, GB/T 15287


> 300,000 h

Protection category

IP00 / IP20 for -103 terminals

Pollution degree

2 acc. IEC 60664-1

Vibration and shock

3M12 acc. IEC 60721-3-3

Overvoltage category

II acc. IEC 60664-1

Temperature range (operation and storage)

FN2500: -40°C to +100°C (with derating >50°C)

FN2520: -40°C to +85°C (with derating >50°C)

* High potential test voltage: Repetition with max. 80% of specified values

Typical electrical schematic


Approvals & Compliances

CE Label
CQC Label
CSA Label
ENEC 14 Label
RoHS Label
UKCA Label
UL Recognized Label