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JST Power Equipment logo with red JST text in a globe-shaped oval and blue background.
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Products See Overview

Dry Type Transformers

Cast resin, VPI and specialty transformers

Pad Mount Transformers

Single-phase and 3-phase liquid-filled transformers

Small Power Transformers

Medium voltage power distribution up to 100 MVA

Medium Voltage Switchgear

Gas-insulated and air-insulated switchgear solutions

Outdoor Substation Breaker

Configurable substation circuit breaker technology

Medium Voltage Packaged Unit Substations

Modular prefabricated power distribution system

Battery Energy Storage Systems

Flexible, scalable energy storage solution

Services See Overview

Field Service

After-sales service and support

Industries See Overview

Power Generation

Optimizing efficiency while improving the safety and sustainability of energy production.

Power Transmission

Innovating solutions that power a safe, reliable grid.

Power Distribution

Ensuring more efficient, reliable, and safer power distribution systems.

Solar Distribution

Supporting the development of solar platforms to shape a more sustainable future.

Wind Energy

Innovating wind technology to promote a cleaner, greener planet.

Commercial Buildings & Infrastructure

Meeting the ever-changing needs of global commercial infrastructure.

Data Centers

Designing solutions that power digital infrastructure.

Industrial Facilities

Engineering advanced power solutions that meet the needs of modern factories.

Rail & Transportation Systems

Supporting the electrification of modern transport systems and infrastructure.

About Us See Overview

Our Locations

With 7 manufacturing plants and offices in 3 continents, we are here when and where you need us.

Leadership

Our exceptional team of executives, each a standout in their respective credentials, bringing together diverse expertise, visionary leadership, and innovative thinking.

Sustainability

Minimizing our impact and helping customers do the same.

News & Resources See Overview

News

Stay connected with us and see why we are leaders in the industry.

Product Literature

Check out our literature library.

Events

Join us at these upcoming industry events.

Products See Overview

Dry Type Transformers

Cast resin, VPI and specialty transformers

Pad Mount Transformers

Single-phase and 3-phase liquid-filled transformers

Small Power Transformers

Medium voltage power distribution up to 100 MVA

Medium Voltage Switchgear

Gas-insulated and air-insulated switchgear solutions

Outdoor Substation Breaker

Configurable substation circuit breaker technology

Medium Voltage Packaged Unit Substations

Modular prefabricated power distribution system

Battery Energy Storage Systems

Flexible, scalable energy storage solution

Services See Overview

Field Service

After-sales service and support

Industries See Overview

Power Generation

Optimizing efficiency while improving the safety and sustainability of energy production.

Power Transmission

Innovating solutions that power a safe, reliable grid.

Power Distribution

Ensuring more efficient, reliable, and safer power distribution systems.

Solar Distribution

Supporting the development of solar platforms to shape a more sustainable future.

Wind Energy

Innovating wind technology to promote a cleaner, greener planet.

Commercial Buildings & Infrastructure

Meeting the ever-changing needs of global commercial infrastructure.

Data Centers

Designing solutions that power digital infrastructure.

Industrial Facilities

Engineering advanced power solutions that meet the needs of modern factories.

Rail & Transportation Systems

Supporting the electrification of modern transport systems and infrastructure.

About Us See Overview

Our Locations

With 7 manufacturing plants and offices in 3 continents, we are here when and where you need us.

Leadership

Our exceptional team of executives, each a standout in their respective credentials, bringing together diverse expertise, visionary leadership, and innovative thinking.

Sustainability

Minimizing our impact and helping customers do the same.

News & Resources See Overview

News

Stay connected with us and see why we are leaders in the industry.

Product Literature

Check out our literature library.

Events

Join us at these upcoming industry events.

Products and Services

Field Service

Exceptional service, every step of the way

Contact Us Request A Quote

Heightening the positive customer experience

We take pride in our ability to provide end-to-end project management, after-sales service support and the highest level of customer satisfaction that results. Our dedicated service team of highly trained and experienced technicians have the capability to address our customers’ needs, with services ranging from obtaining parts to providing onsite field service.

Talk with our experts about how we can help you with: 

  • Assistance with installation and commissioning
  • Field testing 
  • Field repairs and retrofitting 
  • Installation of replacement parts 
  • Arc flash studies and mitigation work 
  • Breaker repairs and upgrades 
  • Onsite transformer repairs 
  • Transformer Refurbishment Program

JST Service Advantages

OUTSTANDING CUSTOMER SERVICE AND SUPPORT

DEDICATED PLANNING AND ENGINEERING

INDUSTRY-LEADING LEAD TIMES

END-TO-END PROJECT MANAGEMENT

Worldwide expert electrical system support

With fully trained sub-contractors located at various locations worldwide. We have successfully developed and implemented procedures that allow our technicians to work in a multitude of environments and will comply with any requirements to obtain certain permits or licenses as needed. Whether the onsite service is taking place in a warehouse or a confined space, our service technicians will be able to perform the most common services usually consisting of routine maintenance, inspection, test, repair and clean up.  For years, our service team has been delivering exceptional service to meet customer demands for timely service and high-quality parts.

Related Industry Applications

Dry Type Transformers

Dry Type Transformers

Read More
Pad Mount Transformers

Pad Mount Transformers

Read More
Outdoor Substation Breaker

Outdoor Substation Breaker

Read More
Medium Voltage Switchgear

Medium Voltage Switchgear

Read More
See All Industries We Serve

Related Products & Services

Dry Type Transformers

Dry Type Transformers

Read More
Pad Mount Transformers

Pad Mount Transformers

Read More
Small Power Transformers

Small Power Transformers

Read More
Medium Voltage Packaged Unit Substations

Medium Voltage Packaged Unit Substations

Read More
Battery Energy Storage Systems

Battery Energy Storage Systems

Read More
Field Service

Field Service

Read More
Medium Voltage Switchgear

Medium Voltage Switchgear

Read More
Outdoor Substation Breaker

Outdoor Substation Breaker

Read More
See All Products and Services

Contact Us Today

Have a question for our team? Get in contact with us today.

Contact Us

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Office Headquarters

30 Skyline Drive
Lake Mary, FL 32746

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