Osborne’s Instrument Transformers

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

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 Instrument Transformers

Osborne’s instrument transformers are commonly used to step down high voltage and high current circuitry for mission critical applications. Osborne offers both current transformers and potential transformers. Osborneā€™s units are built for high performance and longevity in the most demanding environments


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Instrument Transformers Design Options Table

Spec Range Available
Primary Voltage: 1 – 10,000 Volts
Secondary Voltage: 0.1 – 20,000 Volts
Secondary Current: 0.001 – 50,000 Amps
Capacity: 0.000001 – 6,000 KVA
Frequency: 45 – 1,000,000 Hertz
Phase: Single – Multiple
Electrostatic Shielding: Single to Multiple Shields
Terminals: Wire Leads – Finger Safe
Enclosures: Open Core & Coil – Hazardous Environment
Dielectric Strength Testing: 50 Volts DC – 50,000 Volts AC
Agency Approvals: UL, CSA, CE and/or TUV

Durable Transformers Deliver Peace of Mind

Osborne’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 to worry about how or when the high frequency transformers in your system might fail? Of course you don’t, because when a high frequency transformers fail, it’s always time consuming and inconvenient!

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

Osborne’s Partners Understand Premium Transformers

We partner with some of the most successful technology businesses in the world. By partnering with Osborne, you can tap into our well established network of talented engineers and quality component suppliers.


Some of our partners include:


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