Single-Phase Filters FN2500

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

Features and Benefits

FN2500 / FN2520 series fits perfectly within 1HU height for rack mount
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

Climatic category

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

FN2520: 40/085/21 acc. IEC60068-1

FN2520: 40/085/21 acc. IEC60068-1

Flammability corresponding to

Plastic material: UL 94 V0

Laces for -07 version: UL 94 VW1

Rated currents

10 to 32 A @ 50°C

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*

Overload capability

1.5 x rated current for 1 minute once per hour


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)


Natural cooling AN

* 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

Certifications FN2520 pending