Maddox Industrial Transformer
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PADMOUNT TRANSFORMERS

3-phase pad mounted transformer

​Product Scope
  • 1-Phase up to 250 kVA
  • 3-Phase up to 7500 kVA​
  • Voltages through 35 kV
Short for "Tamper-proof, compartmentalized, liquid-filled, pad mounted transformer", all padmount designs are UL listed* and feature fully enclosed tamper-proof terminal compartments and can be supplied with dead-front or live-front configuration, for loop or radial feed applications, with Type II mineral oil, or environmentally friendly and less-flammable Envirotemp™ FR3™.

All new Maddox padmount transformers are constructed of the highest quality materials and built in the US to heavy duty industrial standards, making them ideal for commercial and industrial applications such as data centers, solar step-up, manufacturing facilities, shopping centers, etc.

With thousands of new units in stock and ready-to-ship, and the manufacturing ability to produce almost any custom design, Maddox stands ready to meet your transformer need(s). Maddox stocks all standard configurations to match most common applications and deliver on short notice 

*Some reconditioned units are not UL listed

 

GET A PADMOUNT QUOTE!

TECHNICAL SPECIFICATIONS​

STANDARD FEATURES

  • 65 Degree C Rise
  • 60 Hz Frequency
  • ONAN Cooling Class
  • Reinforced Carbon Steel Tank
  • High-Grade Silicone-Steel Core
  • Externally Clamped High and Low Voltage Bushings
  • NEMA Two-Hole Ground Pad
  • Stainless Steel Diagrammatic Nameplate
  • Base Suitable for Rolling or Skidding
  • Welded Cover with Handhole
  • No-Load Tap Changer
  • Type II Non-PCB Mineral Oil
  • Impedance 5.75 % (±7.5%)

OPTIONAL FEATURES

  • Electro-static Shielding
  • Bio-degradable Envirotemp™/FR3
  • 55/65 Degree C Temperature Rise
  • Pressure Relief Device 
  • Bayonet and Current Limiting Fuses
  • Loadbreak Switch (2, and 4 position)
  • Lightning/Elbow Arresters
  • Metering Package
  • Gauges with Contacts
  • External Oil Sample Port
  • ​Viewing Window
  • ​Stainless Steel Construction
  • And many more! Contact us for more info.
Download Padmount Brochure

​Included Gauges & Accessories*
  • Pressure Relief Valve
  • Pressure Vacuum Gauge
  • Liquid Temp Gauge
  • Liquid Level Gauge
  • Drain and Sample Valve​

​Bushing Options 
  • Dead Front Bushings thu 35 kV
  • Live Front Bushings thru 35 kV
  • Radial or Loop Feed Configuration
  • Elbow Connector Kit
  • HV Arresters

*300 kVA and up
3-phase oil-filled padmount transformer
Padmount transformer with cabinet off

MADDOX TESTING PROCEDURES
​

  • Insulation winding resistance
  • Turn to Turn Ratio (all taps)
  • Winding Resistance (all taps)
  • No Load Losses​
  • Full Load Losses
  • Excitation current
  • Impedance %
  • ​Control & Devices Test (when present)
  • 48-Hour Tank Leak Test
  • Witness Test Available on Request
View Sample Test Report

OUR LOCATIONS

GREENVILLE, SC

303 Greer Drive
Simpsonville SC, 29681
​(864) 501-7324

BATTLE GROUND, WA

1608 SE Commerce Ave
Battle Ground WA, 98604

(360) 512-3355​

DYERSBURG, TN

2225 Industrial Rd
​Dyersburg, TN 38024
(800) 270-2011
Call us today at 800-270-2011 or email sales@maddoxtransformer.com

​Specializing​ in padmount transformers for commercial and industrial users.
CONTACT US!
Maddox Industrial Transformer, LLC.

East Coast: 865 Victor Hill Road, Greer, SC 29651
West Coast: 1601 SE Commerce Ave, Battle Ground, WA 98604 


800-270-2011 - 
sales@maddoxtransformer.com

© 2022  MADDOX INDUSTRIAL TRANSFORMER, LLC.

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  • About
  • CAREERS
  • SELL SURPLUS
  • SUPPORT
    • NEWS
    • GLOSSARY
    • MANUALS
    • T&C & WARRANTY
    • RETURN REQUEST
    • CREDIT APPLICATION
  • CONTACT US
  • ONLINE STORE
  • PRODUCTS
    • Padmount Transformers
    • Dry Type Transformers
    • Substation Transformers
    • Rental Transformers
    • Motor Starting Autotransformers
    • Transformer Repair