TEMCo: custom transformer manufacturer

TEMCo is a custom transformer manufacturer you can trust - a member of the Better Business Bureau.

TEMCo is a custom transformer manufacturer you can trust - a member of the Better Business Bureau.

Custom Transformers

TEMCo Quality Built Standard and Custom Transformers
Your search for high quality, obscure, hard to find standard or custom transformers is over!

Lowest Prices for Quality Custom Transformers - Guaranteed!
Call Toll Free 1-800-613-2290 (US Calls) or 1-510-490-2187 (US & International)
Fax 1-510-490-1507 email: info@temcotransformer.com www.TemcoTransformer.com

Order Transformer Transformer Selection Guide Custom Transformers Dry-Type Transformers ACME Line Reactors Auto Transformers Control Transformers Step-Up Transformers Step-Down Transformers Harmonic Cancellation Isolation Transformers K-Factor Rated Transformers 3-Phase Transformers European Voltage Transformers Drive Isolation Transformers High Voltage Transformers Epoxy Encapsulated NEMA 4 Transformers Weatherproof NEMA 3R Transformers About US - TEMCo Transformers Transformer Manufacturer Home

transformer guide
Small kVA 3 Phase Transformers Guide

TEMCo - The Best Selling Custom Transformers in America



TEMCo Custom Transformer Advantages / Main
TEMCo Transformers have many advantages ranging from energy efficiency/cost savings to application advantages.

Phase Converters
TEMCo Rotary Phase Converters provide balanced 3-phase power converted from a 1-phase power source.

Motor Generator Sets
TEMCo Motor Generator Sets are used to provide load isolation, frequency conversion, and phase conversion.

Electric Motors
TEMCo carries thousands of models and brands of electric motors and drives such as Baldor Motors, WEG and Leeson at wholesale prices!.

Electric Generators
TEMCo carries thousands of models and brands of electric generators such as Robin Generators, Pow'R Gard and Baldor Generators at wholesale prices!..

Variable Frequency Drives
TEMCo caries a range of high quality VFDs are wholesale prices. Applications range from controlling speed, torque, breaking, direction, multi-speed, etc.

Motor Inverters
Need a motor inverter? TEMCo has a wide selection at competitive wholesale prices. Give us a call at 510-490-2187.

TEMCo Custom Transformer Sales

TEMCo offers highest quality manufactured standard and custom transformers at wholesale prices with these options:
* 100% copper windings
Energy Star & (TP-1) rated
* UL & CSA listed on most models
* Reversible (most models)
* Many custom transformer models in stock
Custom transformer orders have a fast, 1-week turn around to shipment

Custom Transformer Types

We offer custom transformers built to order with most any combination of the following popular types and features.  We also can do many other custom voltage combinations - including large medium and high voltage transformers - call 1-800-613-2290 for details.

Dry-Type Transformers
* 3 to 600 kVA (Up to 500 KVA if over 1000V)
* 110 to 5000 volts
Auto Transformers
* 3 to 1000 kVA
Control Transformers
* 25 to 7500 VA (5 piece minimum order)
Step-Up Transformers
Step-Down Transformers
Harmonic Cancellation
Electrostatically Shielded
Isolating Transformers
K-Factor Rated Transformers
With the following options:
* 3 to 600 kVA (Up to 500 KVA if over 1000V)
* 1 / 2 / 3 Phase
* 50 / 60 Hz (Cycles)
* Enclosure Options:
* NEMA 1 (Indoor Enclosure)
* NEMA 3R (Outdoor Enclosure)
* NEMA 4 (Epoxy Encapsulated, suitable for Class 1, Division 2 locations)
High Voltage Transformers
European Voltage Transformers

TEMCo Custom Transformers Are The Fast Solution!

Some frequently stocked transformer models include:

3 Phase Transformer :

1 Phase Transformer :

And On Custom Transformers We Have A Fast 1-Week Turn Around To Shipment. 

*Custom Transformer Voltage Combinations Available*

Contact our team at TEMCo Custom Transformer at 510-490-2187 to get your quote, place your order and arrange for shipping.

Custom Power Transformers

Transformers are used in many different types of operations from electronic devices, industrial and commercial applications, and in our electrical power distribution systems.  Transformers can do many different things from isolation to raising (stepping up) and lowering voltage (stepping down).  In many cases transformers are made for a specific operation or have to be designed with unique features or material, these specially designed transformer units are a custom transformer.

Custom Transformers Built From Simple to Complex Design

Custom transformers are made per the customer’s drawing or specifications.  There are several reasons why our customers may need a custom transformer.  Usually a custom transformer has unique features, or you cannot easily find a suitable stock transformer for your applications.  Power transformer manufacturers usually keep stock of the most popular power transformer models in order to keep inventory slim.  In some cases, it is wise to have multiple units of necessary power custom transformers in stock because it is less expensive to build two at the same time when the unit build is extremely custom.  Custom transformers in many cases involve construction processes that require specialized material, or handling.  An example of this would be a high voltage transformer.  Because of corona concerns, coils may have to be void free vacuum impregnations with epoxy, silastic or other material.  In some cases, a vacuum chamber will be required.

Choosing A Custom Transformer Supplier

The most important factor in having a custom transformer built is to find a reliably, knowledgeable manufacturer.  The following is some guidelines in finding the right company - All reasons you will find that TEMCo is one of the best power transformer suppliers to choose:

  • A custom transformer means that you need to develop a relationship with the engineering staff, make sure you feel like they can deliver a quality transformer, plus handle your order promptly.
  • Fast turnaround time, quotes should be processed in a couple of days and your custom transformer should usually be ready in a week time, depending on the complexity of the transformer. 
  • Provide a prototype that works right the first time in a matter of days.  Their design software should eliminate approximations and guesswork.
  • Have computer-assisted design techniques to develop customized design solutions and bring new concepts and developments in material's technology to provide you with a better and efficient transformer.
  • Their engineering staff should be able to design a new part, modify or duplicate an existing part.
  •  They should be there for you as a customer before, during and after the sale of your custom transformer.

TEMCo has one of the widest selection of stock power transformers and can build and ship most custom transformers with one of the fastest turnaround times in the industry. 

Choose TEMCo As Your Custom Transformer Supplier

TEMCo, a power transformer industry leader for over 40 years, can help you in all of your custom power transformer needs.  We have been in business for over 40 years and put their emphasis on high quality and superior customer service.  With our  highly trained engineering staff and the latest technology, TEMCo can have most custom transformer orders ready very fast - in just a week time.  We base our success on building long-term relationships with our customers and only providing high quality, state-of-the-art transformers.  Many companies, after experiencing our service and high product quality, only use TEMCo for all their transformers and electrical power needs.

Call Our Custom Power Transformer Specialists Today!

Contact our team at TEMCo for your custom transformer quote at 510-490-2187 to get your quote, place your order and arrange for shipping.

Custom Transformer

Custom Transformer

Custom Transformers

Custom Transformers

Custom Transformer 1

We Supply A Wide Variety of High Quality Power Custom Transformer Models

TEMCo Custom Transformers: The #1 Custom Transformer Manufacturer Supplier of Choice by Electricians and Electrical Engineers.


Custom Transformers Shipped Worldwide!

Quick Nationwide and International Shipping from Regional Warehouses

Call for custom transformer information.  Custom Transformer sales throughout the U.S. and Internationally.

TEMCo Custom Transformer has experience manufacturing and distributing electrical products since 1968. TEMCo is a company you can trust - a member of the Better Business Bureau. TEMCo uses the latest proven technology to specify the manufacture high quality industrial grade transformers and other electrical products. All our products are built to last using the highest quality standards using only the highest quality supplies. As a result, TEMCo electrical products have a long operational life, lasting many years under proper use. TEMCo models are backed by our quality warranty, offering heavy duty quality at a great price.

TEMCo Custom Transformer is a company you can trust - a member of the Better Business Bureau.

Ordering is as easy as 1, 2, 3.

Stock and Custom Transformer Manufacturer

2. We Accept Visa, Discover
American Express, Master Card.

3. We'll ship your order to
you asap.

Order your custom transformer with VISA, Master Card, American Express, etc., Today!

We will ship it to you asap! or We will ship your custom transformer asap!

We also accept Wire Transfer, Money Orders, etc.

And by other professional trucking companies.

RFQ and Order Fax: (510) 490-1507
We appreciate feedback, send us email us at
please include a phone # to reach you.

TEMCo US + International Phone #: 1-510-490-2187
TEMCo US Only Phone #: 1-800-613-2290

TEMCo is currently looking for new custom transformer resellers.
If you are a qualified reseller, call for a TEMCo Custom Transformer reseller application.

Transformer Selection Guide Custom Transformers Dry-Type Transformers ACME Line Reactors Auto Transformers Step-Up Transformers Step-Down Transformers Control Transformers Indoor TMC Enclosed Control Transformers Indoor TMO Open Control Transformers Indoor TMTB Enclosed Control Transformers Harmonic Cancellation Isolation Transformers K-Factor Rated Transformers 3-Phase Transformers European Voltage Transformers European Voltage 3 Phase 60Hz Transformers European Voltage 3 Phase 50Hz Transformers Drive Isolation Transformers High Voltage Transformers Epoxy Encapsulated NEMA 4 Transformers Weatherproof NEMA 3R Transformers Transformers AC Transformer Voltage Transformer Buy Transformer New Transformer Output Transformer Transformer KVA Converter Transformer Line Transformer Toroidal Transformer Transformer Wiring Transformer Circuit Variable Transformer Pole Transformer Transformer Pad Variac VA Transformer WYE Transformer Potential Transformer Transformer Protection Transformer Rating Sunbelt Transformer Pacific Transformer Jefferson Transformer Electric Transformer Power Transformer Transformer Sizing Transformer Rectifier Center Tap Transformer Pad Mounted Transformers Electrical Transformer Transformer Manufacturer Custom Transformer About US - TEMCo Transformers Oil Filled Transformers Voltage Regulator Automatic Voltage Regulator DC Power Supply PDU Rack PDU Power Conditioner Power Line Conditioner Load Center Switchgear Voltage Converter 2 Phase Transformer Power Distribution Industrial Transformer Replacement Transformer Insulation Transformer Micron Transformers Westinghouse Transformer Power Supply Transformer Instrument Transformer Pulse Transformer Substation Transformer Furnace Transformer About US - TEMCo Transformer Manufacturer Transformer Manufacturer Home

Here are a few other brands of quality transformers that we also carry:

Transformer Design • DC Transformer • Transformer Core • Electronic Transformer • Autotransformer • Marine Transformer • Buck Boost • Marine Isolation Transformer • Wall Transformer • Scott Transformer • Transformer Type • Class 2 Transformer • Neon Transformer • Dry Transformer • Lighting Transformer • ABB Transformer • Make A Transformer • Transformer Generator • Transformer Inrush • Motor Transformer • Transformer Fault • Padmount Transformer • Transformer Chain • K Factor • Toroid •  Low Voltage Transformer • Medium Voltage Transformer • Drive Transformer • Low Voltage Lighting Transformer • Step Down Voltage Transformer • Iron Core Transformer • Transformer Bank • Insulating Transformer • High Current Transformer • Primary Current Transformer • Transformer Controls • High Voltage Pulse Transformer • K Factor Insulation • Voltage Transformer Manufacturer • Cast Core Transformer • Wind Turbine Transformer

Acme Transformers Distribution Transformers Three Phase Transformers K-Rated Transformers GE Transformers Step Up Transformers Step Down Transformers Buck Boost Transformers Pad-Mounted Transformers High Voltage Transformers Three Phase Transformers Single Phase Transformers Isolation Transformers Buck Boost Transformers

Additional useful electrical power information:
3 Phase Generators 3 Phase Power Three Phase Generators Static Phase Converters TEMCo Privacy Notice

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Sales throughout the USA & Internationally
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