Build configurations and capabilities
Inductor / Reactor Types
- Current-Limiting Reactor
- Neutral-Grounding Reactor
- Smoothing Reactor
- Harmonic-Filter Reactor
- Saturable Reactor
- Dampening Reactor
- Motor Starting Reactor
- Pancake Reactor
- Air-Core Inductor
Electrical Characteristics
Power rating=500 VArup to 250 kVAr
Phases=1-Phase, 3-Phase
Frequency=50 Hz and/or 60 Hz, 400 Hz up to 20,000 Hz
Voltages=up to 600 Vrms up to 34.5 kVrms
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
140 uHy Air-Core Inductor
Phases=1
Current=5,250 Arms
Output=480V @ 193A
NEMA3R enclosure
146 uHy Iron-Core Inductor
3-Phase, 60Hz
Voltage=480 Vrms L-L
Current=400 Arms
NRTL to UL 506