3-Phase Line Reactors RWK30443-Phase Line Reactors RWK3044

3-Phase Line Reactors 3-Phase Line Reactors RWK3044

3-phase Line Reactor to reduce mains disturbances

3-Phase Line Reactors RWK3044

3-phase Line Reactor to reduce mains disturbances

  • 4% 3-phase line reactor for 400 V network
  • Reducing harmonics on the mains side
  • Reducing commutation notches
  • Limiting inrush current
  • Reliable and economical solution for mitigating mains disturbances

Features and Benefits

Ensure reliability, performance and a long service life of electrical consumers
Reduction of mains harmonics and commutation notches
Help to meet international power quality standards 
Protection of motor drive electronics and dc link capacitors against mains transients
Reduction of inrush and peak currents
Improvement of conducted LF immunity
Prevention from nuisance tripping caused by power line voltage spikes
Improvement of true power factor

Typical Applications

Motor drives and various adjustable speed drive systems, such as:
Process automation equipment

Technical Specifications

Nominal operating voltage

3x 380 to 480 VAC

Rated operating voltage

3x 340 to 530 VAC

Earthing System


Climatic category

40/100/21 (IEC 60068-1)

Pollution degree


Overvoltage category

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


4% @ 400 V, 50 Hz and rated rms current

Insulation class

UL electrical insulation system SCH-200(N)

Protection category

IP 00


Natural cooling AN

Overload capability

1.6x rated current for 1 minute, once per hour

Ambient temperature range

-40°C to +45°C fully operational

+45°C to +100°C derated operation*

Note: derating according NEC 310-15(C)

Transportation and storage temperature

-40°C to +100°C transport and storage

Flammability corresponding to

UL 94V-0

Design corresponding to

UL 61800-5-1, EN 61558-2-20, EN 60076-6

Lifetime (calculated)

20 years

*Iderated = Inominal*SQRT((Tmax-Tamb)/(Tmax-Tnominal)) = Inominal*SQRT((100°C-Tamb)/55°C)

Typical electrical schematic

3-Phase Line Reactors RWK3044

Approvals & Compliances

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

(UL recognized up to 640 A)