Tailored For Your Specific Need

Our custom three-phase inductors are used in applications including aviation, power conditioning, renewable energy power conversion and high-power battery charging, to name a few.

Designs may incorporate foil and high-temperature windings, strip-wound amorphous metal, ferrite or high-grade steel cores. Dimensions and mountings are tailored to suit your specific need. Inductors can also be incorporated into the primary winding of a transformer to save both cost and space.

Example Types of 3 Phase Inductors & Chokes

  • 3 Phase DC
  • 3 Phase AC
  • Military, Aviation and Aerospace
  • Zig-Zag
  • High Current / High Frequency / High Voltage
  • Litz / Copper Foil Windings

Recent Work

  • 3 Phase Inductive Load (EC Custom Model 222036)
    20uH @ 50Arms, 30-500Hz. Constructed with copper foil & grain oriented electrical steel. Overall dim: 4"W x 3.85"H x 2.25"D. Approx. Inductor weight: 3.0 Lbs.
  • Motor Simulating Inductor 39uH (EC Custom Model 220036)
    3 Phase, 39uH @ 70Arms, 400-1500Hz Weight: 16 Lbs Temp Class: 180C Operating voltage: 600V Built with Nanocrystalline Core and Copper Foil wound 0.8mm x 2.25” wide Custom Brackets and Bus Bar terminations
  • Three-Phase AC Reactor - 3KVAR @ 400Hz (Model 216037)
    This AC Inductor is one of a family of parts designed for airport ground support test equipment. Used on a 400Hz, 208V line-line power system (120V line-neutral), this reactor is constructed using 10AWG rectangular magnet wire assembled on a specialty M2 electrical grade shunt steel core and non-magnetic aluminum brackets. Class H (180C) insulation system.
  • 3 Phase Zig Zag Inductor for Power Quality Correction
    This CSA certified custom three-phase zig-zag inductor is rated 188uH, 72A, 60Hz. Constructed using M6 Grain Oriented Steel with Adjustable Gap, 200C insulation, CSA Certified. Used as part of a modular system that is custom engineered for each facility to effectively and economically optimize power quality, providing guaranteed energy savings, through reductions in power demand and power consumption. (KVA/KW and KWH).
  • 3 Phase Zig Zag Power Inductor for Power Conditioning Applications
    This custom three-phase power inductor was designed and manufactured for power conditioning applications and boasts 1000uH @ 90Arms, 60Hz. 29M6 low-loss grain oriented electrical steel core with Nomex-wrapped. 130x.312 rectangular MW-60C wire. User-Adjustable gap. 200C Temperature Class.
  • 3 Phase DC Differential Mode Power Inductor (Aviation Power)
    This custom three-phase DC power inductor is used in the Auxiliary Power Unit in a commercial aviation platform. 50uH, 125A/ph, 15kHz Tape-Wound E-Core, 0.010 Copper Foil Windings, High-Temperature Teflon Leads, Class H (220C) insulation. Insulation resistance, 40Mohm (min) @ 500Vdc. Manufactured in Canada.
  • Common Mode Inductor
    80uH, 150A, 300Hz Tape Wound C-Core, Open Style, 4 Hole Chassis Mount
  • Differential Inductor
    44uH, 75A, 1 KHz Tape Wound E-Core, Open Style, 4 Hole Chassis Mount

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3-Phase Inductors, Chokes & Reactors Capabilities at Electronic Craftsmen

  • Inductance: uH to H
  • Currents to 1100A nominal, AC or DC
  • AC Ripple Current and Harmonics accommodated to specification
  • Working Voltage up to 12kV (depending on frequency); multiple stages possible for higher outputs
  • Frequency: 25Hz to 500kHz (typical)
  • Temperature Class to 220C (155C / Class F typical)
  • Weight: 0.06 oz / 1g to 550 lbs / 250kg
  • Multiple taps as required
  • Dielectric Strength (hipot) to 30kVac or 20kVdc
  • Parts can be vacuum varnished or molded with a variety of hard or soft encapsulant materials with thermal conductivity.
  • Wire sizes from 1-45 AWG or Copper Foil to 0.050in thick (in multiple layers for higher current); Litz wire for higher frequency
  • Regulation to specification
  • Manufactured using all known state-of-the-art magnetic core materials, including but not limited to electrical grade steel laminations, ferrites & powdered iron, nickel-iron alloy, iron amorphous metal strip-wound cores, nanocrystalline cores and small toroids.
  • Antifungal and non-nutrient coatings available
  • Corrosion resistant coatings & platings available
  • Standard or custom terminations & leads
  • Mounting Configurations: pcb-mount (horizontal or vertical), custom or standard brackets or stacked configurations
  • Designed to meet CSA & UL (safety) or MIL PRF 27 (aerospace / military) requirements upon request
  • MIL PRF 27 Grade 5 & 6 encapsulation available