TEMCo Standard and Custom Transformer Manufacturer

TEMCo is a Transformer Manufacturer You Can Trust - a Member of The Better Business Bureau. TEMCo  Is an Accredited Member of the Better Business Bureau.  Offering Stock and Custom Transformers.

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

Make A Transformer

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

Lowest Prices for Quality TEMCo 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 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 Transformer Manufacturer Home

TEMCo - The Best Selling Custom Transformers in America



Transformer Home
TEMCo Transformer manufactures a wide variety of high quality stock and custom transformers. Trust TEMCo as your transformer manufacturer supplier.

Phase Converter
TEMCo Rotary Phase Converters provide balanced 3-phase power converted from a 1-phase power source.  Also read about Static Phase Converter and CNC Phase Converters.

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

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

Power Generator
TEMCo carries thousands of models and brands of electric generators such as Robin Generators, Pow'R Gard, PowerPro Generators, Amico Generators, WinPower Generators, and Baldor Generators at wholesale prices!

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

Custom Power Transformers
TEMCo offers highest quality custom transformers fast! 5-day turn around on most models. Call our Transformer Manufacturer Specialists with your specs. We will give you a quote and get your custom transformer order started today! 510-490-2187.

More Transformers
TEMCo offers the widest range of stock power transformers.  Read about additional power transformer types and find the type you require today.


State-of-the-Art TEMCo Transformer Manufacturer Offering Top Quality at Wholesale Prices

Make A Transformer

To learn how to make a transformer, you must first know that a transformer operates under the physical principle of mutual induction.  You will find that when a changing current and voltage is applied to a wire loop, that this will generate a magnetic field.  When a second loop is placed in line with that same field, a voltage and current is then generated.  The ratio that is between the voltages and the currents can change when making a transformer by changing the geometry of the two different loops.  To make a transformer work, it is almost impossible for it to be a simple process so it is always best to consult with a professional transformer specialist like a TEMCo representative.  They have been designing and building transformers for 40 years with a very high standing in the industry today.

Setup To Make A Transformer

Make A Transformer

One of the things you should know when learning how to make a transformer is the desired voltage you want or the current ratio.  The transformer operates by converting between two voltages and two currents.  When we are talking about ratio on the setup to make a transformer, we are talking about the quantity of the charge.  For instance, if you have a 10 volt, the ratio is two.  With this ratio, 1 amp will give either 5 volts at 2 amps or 20 volts at half an amp.  Deciding how much current will exist on both sides when you make a transformer is very important also.  The wire that is used when you make a transformer should be rated for the maximum current that you think you could possibly use.  Choosing wire that is rated at least two times greater than you think you will use is a pretty safe determination.  This setup just isn't something that most people prefer to go through when all they want is a good quality transformer.  Calling a qualified manufacturer like TEMCo is the way to go rather than try and make a transformer that you virtually know nothing about.  Why not leave it to a TEMCo engineer to build what you need with all your specifications, as it will be less costly in the long run. 

Selecting A Core To Make A Transformer

When you are  trying to make a transformer, you will find that the core is basically the bulk of the transformer.  The ferrite core is used quite often in different applications as it is magnetic and it will confine the magnetic field to the coils of the transformer.  Using a laminated ferrite core will ensure that your energy losses are minimized, especially if you are going to use strong voltages and currents.  These type of cores are made of thin layers of iron or other ferrous materials.  The size of the core being used is also another consideration when you make a transformer.  It should always be proportionate to the amount of energy that is going to go through the core. 

The downfall of trying to make a transformer is trying to figure out all of the different things needed and how they all work together.  That is why we advise you not to try and make a transformer and have a professional take over that job for you.  Knowing that you have someone that is completely qualified will assure you that you are getting a good quality transformer that will last for years to come.

Questions?  Call TEMCo 

Call a TEMCo transformer specialist with all your questions at 510-490-2187.  Since the design of your transformer is the utmost important issue, TEMCo can help you decide what type of transformer you may need for your applications.  They will build whatever you need if they don't currently have the type of transformer you need in stock.  It is much safer and more efficient to have TEMCo make a transformer for you than trying to build it yourself.  Even with these instructions, you are going to find that calling TEMCo is much easier, less costly  and safer in the long run.  TEMCo is a leading electrical power equipment company with products like custom power transformers, variable frequency drives, phase converters, electric motors and so many more.  Their pricing is economical and competitive with others.  They have quick turn around shipping to ensure you get your product when you expect it.  TEMCo products are all backed with a quality warranty.    

Call A TEMCo Transformer Specialist Today!


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

Make A Transformer
 Winding The Wire Is How Your Voltage Ratio Is Achieved When You Make A Transformer




Making a transformer is not that easy.  It is best to contact a TEMCo specialist to design your transformer.

It Is Always Best To Consult With A Specialist When You Are Considering To Make A Transformer 



To make a transformer, it is best to order from TEMCo to ensure you are getting quality and will be using a safe product.

 Call A TEMCo Transformer Specialist 

TEMCo Transformer Manufacturer Distribution: The Transformer Manufacturer Supplier of Choice for Electricians and Manufacturers.

Worldwide Power Transformers Manufacturer

Quick Nationwide and International Shipping from Regional Warehouses

TEMCo Transformer Manufacturer Distribution: High Quality, Efficient, Fast Turnaround of Custom Transformers Manufactured to your Specs!

Call for Make A Transformer information.  TEMCo Transformers manufactured for sale throughout the U.S. and Internationally.

Quality Companies Choose TEMCo Transformer - TEMCo's Customers Include:


TEMCo has experience manufacturing electrical products since 1968. TEMCo is a transformer manufacturer supplier you can trust - a member of the Better Business Bureau. We use the latest proven technology to spec 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. All models are backed by our quality warranty, offering heavy duty quality at a great price.

TEMCo is an Accredited Member of the Better Business Bureau.  Offering Stock and Custom Transformers.TEMCo is a Stock and Custom Transformer Manufacturer You Can Trust - a Member of The Better Business Bureau.

Ordering is as easy as 1, 2, 3.

Transformer Manufacturer

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

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

Order your transformer, three phase converter, motor, or generator with VISA, Master Card, American Express, etc., Today!

We will ship it to you asap! or We will ship your transformer, power generator or motor 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 Transformer Manufacturer Distribution is currently looking for new resellers.
If you are a qualified reseller, call for a TEMCo Transformer reseller application.

Order Transformer Acme Transformer Models Page 1 Acme Transformer Models Page 2 Hammond Transformer Models Page 1 Hammond Transformer Models Page 2 Hammond Transformer Models Page 3 More Transformer Types Page 1 More Transformer Types Page 2 Transformer Selection Guide Transformers AC Transformer Voltage Transformer Buy Transformer New Transformer Output Transformer Transformer KVA Converter Transformer Line Transformer Toroidal Transformer Transformer Wiring 2 Phase Transformer Transformer Circuit Variable Transformer Pole Transformer Transformer Pad VA Transformer WYE Transformer Potential Transformer Transformer Protection Variac Transformer Rating Sunbelt Transformer Pacific Transformer Jefferson Transformer Electric Transformer Power Transformer Transformer Sizing Transformer Rectifier Center Tap Transformer Pad Mounted Transformers About US - TEMCo Transformer Manufacturer Custom Transformers Dry-Type Transformers Auto Transformers Control Transformers Indoor TMC Enclosed Control Transformers Indoor TMO Open Control Transformers Indoor TMTB Enclosed Control Transformers Copper Transformers Energy Star, TP1 Rated Transformers Step-Up Transformers Step-Down 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 Transformer Manufacturer About US - TEMCo Transformer Manufacturer TEMCo Privacy Notice 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:
Acme Transformers K-Rated Transformers Three Phase Transformers Distribution Transformers GE Transformers Pad-Mounted Transformers Step Up Transformers Step Down Transformers Buck Boost Transformers High Voltage Transformers Isolation Transformer Electrical Transformer Single Phase Transformer Three Phase Transformer Hammond Transformers Single Phase Transformers Three Phase Transformers Isolation Transformers Buck Boost Transformers

Other Quality Products: Diesel Generator Diesel Power Generators Diesel Generator Sets Power Generators Onan Diesel Generators Variable Frequency Drive Soft Start Drives Motor Control PTO Generator Mobile Light Tower Standby Generator

Power TransformerGPU PowerHarmonic CancellationAutomatic Voltage RegulatorDC Power SupplyPDURack PDUPower ConditionerPower Line ConditionerLoad CenterSwitchgearVoltage Converter Combination StarterMotor StarterDisconnect SwitchMagnetic StarterOil Filled TransformerVoltage Regulation400Hz  • 50Hz  • 60HzAircraft Power UnitEnergy Storage CapacitorRegulatorPower SupplySurge ProtectorUninterruptible Power SupplyPower Regulator  Switching Power SupplyRegulated Power SupplyVoltage StabilizerSwitching Regulator Shunt ReactorRecloserUPSConvertidores de Fase Variable Frequency Drive3 PhaseStep Up TransformerControl TransformerPad TransformerPole TransformerHigh Voltage Transformer Leeson Motor Weg Motor Baldor MotorToroidal Transformer Generator Head SetsDistribution Transformer Baldor GeneratorPulse Transformer Winco GeneratorsDry Type Transformer Motor Servo  • Motor Controller  • Pulse VFD  • Phase Shifting Transformer  • Variable Speed Drive  • Circuit Breaker  • PTO Generators  • Power Generator  • Electric Motor  • Onan Diesel Generator

Power Transformer  • Motor Control  • Isolation Transformer  • Step Down Transformer  • Three Phase Transformer  • Voltage Transformer  • New Voltage Transformers  • AC Transformers  • Output Transformer  • Custom Transformer  • Variac Transformer  • Variacs  • Voltage Regulator  • Circuit Breaker Panel  • Rectifier  • Electric Motor  • Power Generator  • Motor Generator  • Ship Port Electrical Power  • Cold Ironing  • Aircraft Ground Power Unit  • GPU  • Ground Power Unit  • Line Conditioner  • Industrial Generator  • Small Generator  • Home Generator  • Transfer Switch  • Generator Transfer Switch  • Natural Gas Generator  • Inverter Generator  • Propane Generator  • Wind Generator  • 3 Phase Generator  • Phase Converter  • Portable Generators  •
Portable Generator  • Standby Generators  • Power Generators Dir  • Electric Generator  • Mobile Light Towers  • Diesel Generator Set  • Diesel Generator  • PTO Generator  • Motor Control  • VFD  • Power Converter

Sales throughout the USA & Internationally
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