Polemount Transformers
Polemounted transformers are the standard for single-phase and three-phase power distribution across much of the US. Maddox stocks many overhead type transformers for both large and small utility scale applications. Maddox specializes in selling polemount transformers to non-utility customers in the commercial and industrial space.
Capabilities
Maddox 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
Technical Specs
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 Features
- 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
Get Started
We make it easy to get a quote and order a transformer. Follow the steps below to get started.
01
Call or fill out the form below to get a quote. Most quotes are turned around the same or next-day.
02
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
We’ll handle all transportation and logistics. Maddox has the shortest lead times in the industry so you can get the power on when you need it.
Get Started
We make it easy to get a quote and order a transformer. Follow the steps below to get started.
01
Call or fill out the form below to get a quote. Most quotes are turned around the same or next-day.
02
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
We’ll handle all transportation and logistics. Maddox has the shortest lead times in the industry so you can get the power on when you need it.
Get A Quote
Fill out the form and a member of our team will get back to you as soon as possible. Our average response time during business hours is 30 minutes.