PRODUCT DESCRIPTION

Maddox Transformer's liquid-filled substation transformers are an excellent choice for any commercial or industrial distribution system.

All designs can be supplied with full, or partial length air terminal chambers to make installation in your lineup easy. Maddox transformers are designed, built, remanufactured and tested in accordance with industry standards including NEMA,  ANSI C.57,  DOE, and IEEE as applicable.  

With thousands of new, and reconditioned units in stock and ready-to-ship, Maddox stands ready to meet your transformer need(s). 

What are you looking for? Call our toll-free number 1-800-270-2011 or fill out the form below!

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Product Scope

• 500 kVA - 20 MVA
• ​Voltages up to 138kV

Standard Features

• Reinforced Steel Plate Tank
• High-Grade Silicone-Steel Core
• Non-PCB Insulating Fluid
• 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
• Drain and Sampler Valve
• Pressure Relief Device
• Dial-Type Thermometer
• Pressure Vacuum Gauge

Optional Features

• Full, or Partial Length Air Terminal Chambers
• High Voltage Switch
• Fan Package
• Bio-degradable Envirotemp™ FR3
• High Fire-point  Silicone
• 50 HZ Frequency
• 55/65 Degree C Temperature Rise
• Metering Package
• Gauges with Contacts