Your specialist in UPS systems, rectifiers, inverters, and resistors

JOVYATLAS has supplied reliable power supply systems for customers in the commercial and industrial sectors for over 70 years. We provide a wide range of innovative and high-quality rectifiers, UPS systems, inverters, frequency converters, and resistors - all manufactured in-house.

22nd. - 23rd. may 2024

Data Centre World Frankfurt

We are at Data Center World in Frankfurt in May 2024- Stand E091.

Visit us there and request your free tickets here using our direct link.

We are looking forward to your visit. See you soon.

Get your free tickets here!

16th. - 17th. april 2024

3rd. Hamburg Maritime Forum

As a manufacturer of maritime power supplies, we're thrilled to get part to one of the most effective maritime gatherings globally – the Hamburg Maritime Forum which will take place on April 16th – 17th | 2024. This two-day physical event will unite decision-makers and experts from diverse maritime sectors, including shipowners, managers, operators, builders, ports and much more.


If you're too, please arrange a date with us. We’re looking forward to meet you there.

Contact for more...
Widerstände / Resistors

About us

Hand-crafted systems - made in Germany!

Our internal Development department looks to the future to make sure that our extensive product range meets the current needs of the market. We can provide the perfect technical solution to suit almost any requirement.

Manufactured in Germany!

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Widerstände, Widerstandsgeräte, resistors production


Outstanding service for UPS systems, rectifiers, inverters, resistors, batteries and special technology.

Our customers come to us for tailored advice, reliable 24 hour service for UPS systems, customised power supply systems and an extensive product range. In addition to rectifiers, inverters and specialised resistors, we provide the batteries and maintenance agreements you need.

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Over 75 years of experience

125 highly motivated employees

An international network of 19 partners

Around the clock
24 hour service

What we do

Our products

For for over seventy years, JOVYATLAS has supplied customers in the commercial and industrial sectors with reliable energy systems for a wide range of applications.

We provide a wide range of innovative and customised rectifiers, UPS systems, inverters, frequency converters and resistors - all manufactured in-house. JOVYATLAS flexible approach allows it to put together the perfect technical solution for almost any requirement. 


Our services

Our extensive stock of spare parts allows us to respond to almost any issue at any time.

Coupled with our wide range of spare parts and rental equipment, our 24-hour service hotline, maintenance and commissioning services, power grid analyses and load tests make JOVYATLAS a reliable partner with a wealth of expertise. Our 24-hour service hotline gives you round the clock access to our expert staff.

Service centres

JOVYATLAS GmbH has a nationwide network of service centres so that it can respond quickly to any need.

Service hotline

Our 24-hour service hotline gives you round the clock access to our expert staff.


We have drawn on our many years of experience to develop a range of cost-effective services for our customers.

Spare parts

JOVYATLAS keeps a wide range of spare parts in stock so that it can carry out repairs for its customers at short notice.


Getting our specialists in to commission your UPS system will maximise its availability and service life.

Replacing batteries

We recommend having the condition of your battery tested by our specialists at regular intervals. Our battery supplier provides our service technicians with all of the training they need on a regular basis.

Power grid analysis

Is a high-quality power supply crucial for your business? - If it is, a power grid analysis may be the perfect choice for you.

Load tests

Do you have an AC or DC UPS system that you use on a regular basis? Are you interested in finding out whether your system is still running at its full capacity, or if your battery capacity still meets your requirements? That’s no problem for our specialists!

By your side wherever you are

Our service teams can help you with any issues you might be having, no matter where you are. Our extensive network of partners guarantees that we can respond quickly to any enquiry.

Contact form

Our friendly team of experts is here for you.

Give us a call if you want to get in touch. Our employees are available between 7 a.m. and 4:30 p.m. Monday to Thursday, and between 7 a.m. to 12:45 p.m. on Fridays. Call us on +49 (0) 4958 9394-0

Please send general enquiries to

Fennenweg 4
26844 Jemgum