Return Policy
Return Request Form
Warranty Claim Form
Warranty Transfer Form
kVA Calculator
Fault Current Calculator
kW to kVA Calculator
When standard fusing reaches its capacity limits, you need a different way to protect your transformer. Learn how integrated vacuum interrupters compare to standalone switchgear for high-kVA applications.
Compare liquid-filled and dry-type transformers by cost, location, maintenance, efficiency, footprint, and reliability to choose the right unit.
Not sure whether to buy new or used? Learn what to expect when purchasing a dry-type transformer and how Maddox tests and warranties every unit for reliable performance.
Explore substation transformers, power-class definitions, voltage ranges, and key design features used in transmission and distribution substations.
Learn what transformer bushings are, how they work, their two main types (dead-front and live-front bushings), and when each type works best in padmount and substation transformers.
Switchgear Basics: Learn what they are, how they work, and the key differences between metal-enclosed and pad-mounted switches.
Learn the key differences between kW and kVA. Get clear on transformer ratings, conversions, and power factor in simple terms.
Cast coil and encapsulated transformers provide resin-sealed protection and maintenance-free performance for critical applications.
Improve the installation flexibility and lug capacity of your transformer using spade extensions.
Try filtering another category.