Osborne’s Auxiliary Potential Transformers

Osborne Transformer is a market leader in the design and production of premium quality auxiliary potential transformers. If your facility requires extremely durable auxiliary potential transformers, you’ve come to the right place. Osborne’s auxiliary potential transformers offer unmatched performance and longevity.

World Class Components

Osborne brings you over 80 years of the finest in hand-crafted, small batch produced transformers and inductors. Are small batch transformers right for you?

You invest great effort and hard work into your circuits. Don’t undermine your standards by choosing cut-rate commodity transformers.

Commodity Transformer Osborne Transformer
application generic application specific
cheap materials premium materials
hasty assembly meticulous details
liberal quality control rigorous testing standards
automated mass production hand-crafted batch production
10-15 year lifespan 50+ year lifespan

Overview of Auxiliary Potential Transformers

Osborne Auxiliary Potential Transformers (Aux PT’s) are used in utility and commercial industrial power systems. Osborne works with our clients to identify the safety advantages of using auxiliary potential transformers (Aux PT’s) to establish protection schemes for high voltage equipment. Aux PT’s step the voltage down to safer levels, normally below 600 V AC.

Let’s talk about your project. Contact Osborne now:


Durable Transformers Deliver Peace of Mind

13267lOsborne’s emphasis on reliable design engineering means that your circuit will have one less potential source of failure. Don’t take unnecessary chances with low cost commodity parts.

Do you want your customer to worry about how or when their auxiliary potential transformers will fail? Of course you don’t, because when auxiliary potential transformers fail, it’s can be dangerous!

By choosing to work with Osborne’s extremely durable designs, you proceed with the utmost confidence in your circuit’s quality and longevity. This sense of security will free you and your team to focus on the things you do best.




Auxiliary Potential Transformers Design Options Table

Spec Range Available
Input Voltages: 0 – 600 Volts
Output Voltages: 0 – 600 Volts
Thermal Voltampere Ratings: 0.250 – 5,000 Voltamperes
Compensated Voltamp Rating: 0.250 – 5,000 Voltamperes
Burden Power Factor: 0 – 100% Lagging or Leading
Frequency: 20 – 100,000 Hertz
Terminals: Wire Leads – Finger Safe
Enclosures: Open Core & Coil – Hazardous Environment
Dielectric Strength Testing: 500 Volts DC to 6,000 Volts AC
Agency Approvals: UL, CSA, CE and/or TUV

Osborne’s Partners Understand Premium Transformers

Discover why Osborne is the electromagnetic design partner of choice for some of the world’s foremost engineering departments. Osborne’s partners include NASA, DTE Energy, Ford Motor Company, Intel, and many other industrial technology trendsetters.

Osborne Will Help You Define Your Specs

Be confident that Osborne’s unrivaled auxiliary potential transformers will be a great fit for your project. Contact Osborne’s engineers today and let them quickly prepare a preliminary design proposal — FREE OF CHARGE. You can trust Osborne’s no-nonsense approach. Specifying the ideal auxiliary potential transformers will not be a complicated experience.

Related Auxiliary Potential Transformers Links

To learn more about Osborne Transformer, please visit the about us page. For more general information, consider visiting Wikipedia.

Application Specific Transformer Designs

You recall the fit of your first finely tailored suit? Your high performing circuits demand that very same attention to detail. Osborne’s craftsmen are here to help.

To get Osborne’s perspective on your project, call or email: