Transformers

TRANSFORMER GUIDES

European Voltage Transformers

European Voltage Transformers

Need 380, 400, or 415 Volt output? See our simple European Voltage Transformer selection guide to determine the best fit for your application.

Buck Boost Transformers

Buck Boost Transformers

Buck Boost Transformers are an inexpensive way to increase or decrease your voltage a small amount. Answers to common questions and sizing help available.

Single Phase Control Transformers

Single Phase Control Transformers

Thousands of control transformers in all configurations. 1 week build time. View our full selection guide here.

Three Phase Control Transformers

Three Phase Control Transformers

Thousands of control transformers from 350 to 9000 VA. 1-3 week build time. View our full selection guide here.

Small kVA 3 Phase Transformers

Small kVA 3 Phase Transformers

View our selection of 350 to 9000 VA Three Phase Transformers with European voltage outputs.

Medium Voltage Control Transformers

Medium Voltage Control Transformers

Medium voltage control transformers for supplying power to control circuit in electrical panels.

Medium Voltage Transformers

Medium Voltage Transformers

Distribution Transformers, 1 and 3 Phase. 10 to 1000 kVA.

Autotransformers

Autotransformers

Autotransformers, 1 and 3 phase. 3 to 100 kVA.

 Transformers

Single Phase Isolation Transformers

Thousands of 1 phase transformers in all configurations. View the full line here.

Three Phase Isolation Transformers

Three Phase Isolation Transformers

Thousands of 3 phase transformers in all configurations. View the full line here.


What is a Transformer?
What is a transformer and how does it change voltage? Overview of the construction and electrical principles of transformers.

Selecting a Transformer
A guide to understanding how to size a single or three phase transformer.

Transformer Types
Autotransformers, Buck Boost, Control, Isolation/Distribution, Harmonic Mitigating/K-factor, Drive Isolation, Low Voltage Lightning, PDUs, and Variable Transformers.

Special Transformer Configurations (How-to)
A how-to guide for special transformer applications. Banking, frequency rating converns, zig zag autotransformers, calculating 3 phase unbalanced loads, using 3 phase transformers in phase of 1 phase transformers, and more.

Transformer Technical FAQ
Answers to all your common technical questions on transformers.