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Pacific Transformer designs and manufactures a line of pre-designed guitar amp transformers that can be purchased directly through our ecommerce site, Pacific Audio Magnetics.

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INDUSTRY > POWER QUALITY & MEASUREMENT

Custom magnetics for precision power and measurement systems

From power analyzers and energy meters to marine battery chargers and underwater sensors, Pacific Transformer engineers custom magnetics for applications where accuracy, isolation, and reliability are critical. We build current transformers, potential transformers, isolation transformers, and complete power supplies for power quality monitoring, test & measurement instrumentation, and demanding field environments — including salt-water installations where our company was born.

Expert Partner

Built for Accuracy, Engineered for the Field

In 1981, Pacific Transformer built its first transformer — a marine battery charger for Newport Marine Engineering (Newmar). That customer still buys that same part today. From there, we helped develop the first switching marine battery chargers using ferrite transformers and high-frequency inductors. Over four decades later, our transformers power precision measurement instruments, energy monitoring systems, and power quality analyzers — as well as Navy vessels, underwater sensors monitoring sea traffic and tsunami threats, and mega yachts docking in ports around the world. Whether the application demands ratio accuracy to fractions of a percent or survival in salt-spray environments, we build to the requirement.

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Whether you need current transformers for power monitoring, isolation transformers for sensitive instrumentation, or mil-spec magnetics for naval and underwater applications, Pacific Transformer has the engineering depth and production capability to deliver. Free design assistance, 24-hour quotes, and prototypes in as little as 48 hours.

Experience in Power Quality & Measurement

Pacific Transformer has over four decades of experience in precision power and measurement applications. From our origins building marine battery chargers and power supplies, we've expanded into current transformers, potential transformers, and custom magnetics for the power quality and test & measurement industries. Our products are found in energy meters, power analyzers, UPS systems, underwater sensors, and Navy vessels around the world.

40+ Years

Power & Measurement Applications

US Navy

Trusted Supplier for 25+ Years

UL, CSA & ETL

Recognized Manufacturer

No Minimum

1 to 10,000+ Units

Trusted by the Leaders

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Newmar logo
Ametek logo
Pacific Power Source logo

FREQUENTLY ASKED QUESTIONS

Power Quality & Measurement FAQs

We build current transformers, potential transformers, isolation transformers, step-up and step-down transformers, autotransformers, ferrite switching transformers, high-frequency inductors, and complete power supplies for power quality monitoring, metering, test equipment, and measurement instrumentation.
Yes. We engineer transformers with tight ratio accuracy, low phase error, and minimal core losses for use in power analyzers, energy meters, oscilloscopes, data acquisition systems, and calibration equipment. Our winding and core stacking processes are controlled to meet the demanding accuracy requirements of measurement-grade applications.
Yes. We design and manufacture current transformers (CTs) for revenue metering, power quality analysis, fault detection, and energy management systems. Our CTs are built to your accuracy class requirements and can be designed for split-core, wound, or bar-type configurations.
Yes. Our roots are in marine power — Pacific Transformer built its first transformer in 1981 for a marine battery charger. We engineer transformers with materials, insulation systems, and enclosures selected specifically for salt-air exposure, humidity, vibration, extreme temperatures, and corrosive conditions found in shipboard, underwater, and outdoor installations.
Yes. The US Navy has been using our military-grade transformers in a wide variety of applications for over 25 years. We hold MIL-T-27 certifications (Class 4, 5, and 6) and are an ITAR registrant, qualified to handle defense-related programs.
Yes. Our products are installed on thousands of underwater sensors around the world, monitoring sea traffic, ocean currents, weather patterns, and tsunami threats. We also build isolation transformers for shore power systems, switching power supplies for marine battery chargers, and custom magnetics for mega yacht docking systems.
We build isolation transformers, buck-boost transformers, and custom magnetics for uninterruptible power supplies, power conditioners, voltage regulators, and power distribution units. Our engineers can design to accommodate specific harmonic mitigation, voltage regulation, and power factor correction requirements.
No. We work with customers from single prototype builds to production runs of 10,000 or more units. Whether you are developing a new instrument or need ongoing production supply, we can support you at any volume.
We are a UL, CSA, and ETL recognized manufacturer with MIL-T-27 certification (Class 4, 5, and 6), ITAR registration, and ISO 9001 quality management. For OEMs building power quality equipment or measurement instruments for domestic and international markets, we can certify to meet your compliance requirements.

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