"At our core, Niagara Transformer has the best people, taking on the toughest engineering challenges with the highest quality and the shortest lead times." - John F. Darby, President
Power Transformers
Up to 50 MVA base rating
Up to 138 kV
Up to 650 kV BIL
1 phase, 2 phase or 3 phase
60 hertz or 50 hertz
ONAN, ONAF, OFAF, ONWF
55ºC or 65ºC rise
Copper or aluminum
Circular, rectangular, disc, helical, layer
Harmonic allowances up to K-20
Sealed tank or conservator tank construction
With or without on load tap changers
Up to 20% IZ
IEEE/ANSI or IEC Standards
Full range of country specific certifications
High ambient designs available
High elevation designs available
Classified area designs available through Class 1 Division 2 Group C/D
Seismic designs through Seismic zone 4
UL certified
Type II mineral oil, our preferred high firepoint fluid FR3, Midel as well as other fluids
