Polemounted transformers are the standard for single-phase and three-phase power distribution across much of the US. OMEX stocks many overhead type transformers for both large and small utility scale applications. OMEX specializes in selling polemount transformers to non-utility customers in the commercial and industrial space.

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OMEX liquid-filled polemount transformers are designed, built, and tested in accordance with all applicable IEEE standards. Each unit is built to comply with the latest DOE efficiency regulations. They are ideal for utility applications requiring single-phase and three-phase distribution.

Product Scope

5 kVA–333 kVA
High voltages: 2,400 to 34,500 (up to 150 kV BIL)
Low voltages: 120/240, 240/480, 277

Standard specs

Type II non-PCB mineral oil (ONAN)
65°C temp rise
Mild steel tank
Corrosion resistant paint finish
Lift points
LV side-mounted bushings
HV cover-mounted bushings
All standard tap configurations available
Grounding provisions
Anodized aluminum or stainless steel nameplate
ANSI 70 Gray paint color
Aluminum windings
Hanger brackets
Arrester mounting pads
Cover ground strap

Optional specs

HV taps (external lever handle or hook stick handle)
Dual voltage
Pressure relief device
Internal fuses
Switches
Secondary circuit breaker
Lightning arresters
Environmentally friendly, high fire-point FR3 oil
IFD (Internal Fault Detector)
Copper windings
Stainless steel tank

01

Request a Quote

Call or fill out the form below to get a quote. Most quotes are turned around the same or next-day.

02

Place your order

Send us a purchase order, or give us a credit card number, and your dedicated customer service rep will send you an order confirmation and answer any questions you may have.

03

Get your transformer

We’ll handle all transportation and logistics. OMEX has the shortest lead times in the industry so you can get the power on when you need it.

Polemount Transformers