Mitigation of the 3rd, 5th, or 9th harmonics with


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Build configurations and capabilities

Electrical Characteristics

50VA up to 1.5MVA

1-Phase, 3-Phase

50Hz and/or 60Hz, 400Hz up to 20,000Hz

Up to 600Vrms input

Up to 600Vrms output

NRTL to UL 506 or 1561

Terminal Configurations

Copper buss bar

Silicon bronze hardware

Terminal strip

Ring-lug compatibility

Touch-safe configurations

Lexan covers

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 Auto Transformers


Auto Transformer

3-Phase, 60Hz

Input=600V ±5% taps

Output=480V @ 193A

NEMA3R enclosure

NRTL to UL 1561


160kVA transformer

3-Phase, 60Hz

Input=505V wye


NEMA3R enclosure

NRTL to UL 1561