Ecosine Evo FN3451

Ecosine Evo, 480 VAC 50 Hz Passive Harmonic Filters for 6-pulse rectifier with 8% DC-Link choke


Ecosine Evo, 480 VAC 50 Hz Passive Harmonic Filters for 6-pulse rectifier with 8% DC-Link choke

  • The industry standard for 6-pulse rectifier and motor drives
  • Filters for diode rectifier with DC-link choke
  • Best-in-class partial load performance
  • Most compact design
  • Plug and play, ready to use

Features and Benefits


Typical Applications

Equipment with front-end six-pulse rectifier
Motor drives
Factory automation equipment
Water/wastewater treatment facilities
Fan and pump applications
HVAC installations
Mission-critical processes
DC fast chargers

Technical Specifications

Nominal operating voltage

3 x 440 VAC to 500 VAC ±10%

Operating frequency

50 Hz ±1 Hz

Nominal motor drive input power rating

1.1 to 315 kW

Total harmonic current distortion THDi*

≤5% at rated power

Total demand distortion TDD

According to IEEE 519


>98% for rated voltage and power

Overload capability

1.6x rated current for 1 minute, once per hour


100 kA

High potential test voltage

P –> E 2160 VAC (1 s)

Overvoltage category

OV III (IEC 60664-1 / UL 61800-5-1)

Earthing System


Protection category

IP 00, IP 20


Internal fan cooling or external cooling***

Ambient temperature range

–25°C to +45°C fully operational

+45°C to +70°C derated operation****

+45°C to +70°C derated operation***

Design corresponding to

Filter: UL 61800-5-1, EN 61800-5-1

Chokes: EN 61558-2-20 or EN 60076-6

Flammability corresponding to

UL 94 V-2

MTBF @ 45°C/480 V (Mil-HB-217F)

> 200'000 hours

* System requirements: THDv <2%, line voltage unbalance <1% Note: performance specifications in this brochure refer to six-pulse diode rectifiers with 8% DC-link choke. THDi ~5% at rated power for filter <6 kW/HP ** External UL-rated fuses required. Please consult the user manual. *** Please check the inlet air flow required for cooling table further in this document and the user manual. **** Iderated = Inominal*SQRT((Tmax-Tamb)/(Tmax-Tnominal)) = Inominal*SQRT((70°C-Tamb)/25°C)

Approvals & Compliances

CE Label
UKCA Label
UL Listed USA Label
UL Recognized Label (USA)
RoHS Label

(depending on filter configuration)