Inductors & Reactors

We can design a broad spectrum of inductors, reactors, and chokes, including:

  • Current-Limiting Reactors
  • Neutral-Grounding Reactors
  • Smoothing Reactors
  • Harmonic Filter Reactors
  • Saturable Reactors
  • Dampening Reactors
  • Motor Starting Reactors

Order Now

All of our units are built-to-order, in either production-run or prototype quantities. Contact us to determine your specifications and get your requirements down. If you don't know everything, that is okay, we can help. Call us at US +1 408-263-8444, or email us by clicking the button below:

ISO 9001:2015 icon These transformer are NRTL to UL 506 and 1561. Find out more about our certifications by clicking here: More on certifications

Build configurations and capabilities

Electrical Characteristics

Power rating = 500VAr up to 250kVAr

Phases = 1-Phase, 3-Phase

Frequency = 50/60Hz, 400Hz up to 20kHz

Voltages = up to 600Vrms, up to 34.5kVrms

Terminal Configurations

Copper buss bar

Silicon bronze hardware

Ring-lug compatibility

Enclosures and weather

NEMA enclosures

NEMA 1: General purpose

NEMA 3: Weather-resistant (falling dirt, windblown dust, rain, sleet, snow, formation of ice)

NEMA 3R: Same as 3, omits protection against windblown dust

NEMA 4: Watertight

NEMA 4X: Same as 4, but stainless steel

NEMA 6: Submersible

Examples of Inductors and Reactors

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140uHy Air-Core Inductor

Phases = 1-PH

Current = 5,250Arms



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146uHy Iron-Core Inductor

3-Phase, 60Hz

Voltage = 480Vrms L-L

Current = 400Arms

NRTL to UL 506