Furnace Transformers

designed for single and multi-zone furnaces.

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Build configurations and capabilities

Electrical Characteristics

1-Phase, 3-Phase

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

Up to 600Vrms input

Nearly all needed furnace voltage transformers can be accommodated

NRTL to UL 506 or 1561

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 Furnace Transformers

45 kVA furnace transformer

Furnace Transformer

3-Phase, 50/60Hz

Primary=20/240/480 Vrms L-L

9-zone secondary

NEMA1 enclosure

NRTL to UL 1561, CE Mark