Fast Temporary Power
Transformer Rentals
Maddox stocks thousands of low and medium voltage transformers for the fastest temporary power solutions.
Rental Transformer Overview
Maddox rental transformers provide reliable power to critical projects across the United States.
Multi-voltage tap selector, reinforced windings, non-PCB insulating fluid, forklift pockets, and jobsite-ready protection.
Common medium-voltage configurations are available from stock, with custom voltage combinations available on request.
Low-voltage configurations are selected to match temporary equipment and distribution requirements.
Same Day Quotes
Price and lead time today
Large Inventory
Thousands of in-stock transformers
Fast Shipments
Next-day deliveries available
See How We Earned +800 Five Star Reviews
I had a problem with current transformer and my machine was rendered useless. Costing me dearly per day. And then I found Maddox. Helped me every step of the way and I was back up and running quickly . Well done!!
Marc L.
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Rent Any Transformer From Our Extensive Inventory
Padmount Transformers
Padmount transformers are secure tamper-proof transformers made for public installations with underground cabling. Available in 30–5,000 kVA configurations.
Substation Transformers
Substation transformers are high-capacity units used for stepping voltage up or down in utility-scale and industrial power systems. Available in 300–160,000 kVA configurations.
Dry-Type Transformers
Dry-type transformers are air-cooled units used indoors or in sensitive environments where fire safety and reduced fluid use are required. Available in 15–5,000 kVA configurations.
Frequently Asked Questions
What types of transformers does Maddox rent? Maddox offers dry-type, padmount, and substation transformers for temporary rental, with a wide range of kVA sizes and voltage combinations available.
When should I rent a transformer instead of buying one? Transformer rentals usually make sense for emergency outages, temporary power needs, or planned maintenance situations. However, thanks to Maddox’s large inventory of new and remanufactured transformers, it may still be best to purchase instead of rent.
How quickly can Maddox provide a rental transformer? In many cases, Maddox can ship rental transformers within 24 business hours, depending on inventory, voltage requirements, and location.
Does Maddox offer emergency transformer rentals? Yes, Maddox can ship rental transformers fast to avoid unwanted downtime from emergency outages. Submit an RFQ to receive price and delivery time within 30 minutes.
What size transformers does Maddox stock for rentals? Maddox stocks a wide range of transformer sizes. We carry dry-types from 15 to 5,000 kVA, padmounts from 30 to 5,000 kVA, and substations from 300 to 160,000 kVA. Submit an RFQ to confirm price and availability for the specific kVA and voltage requirements you need.
Does Maddox offer nationwide transformer rentals? Yes, Maddox offers transformer rentals nationwide, supporting customers across North America who need temporary or emergency power delivered fast.