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Built-In Generators.

Our built-in generators are soundproof, compact, and above all, very safe. There are additional advantages to consider as well. Firstly, all doors and accessible channels can be locked to ensure that no unauthorized individuals can damage the generator. Secondly, the built-in design effectively protects against inclement weather. Furthermore, we offer both small and large built-in generators. You can choose the equipment package and maximum performance according to your needs.

Protect yourself from costly power outages

Ikon för strömavbrott hos Reservkraftsbyggarna

We help you before, during and after the installation

Ikon för serviceavtal hos Reservkraftsbyggarna

Regular capacity tests and service give you control

Service - reservkraft

Characteristics of our built-In Generators:

  • Each generator is specially made according to your needs
  • Effect up to 2000 kVA
  • Reliable and soundproofed
  • High reliability
  • Both for indoor and outdoor use
  • All the equipment is adapted to your business needs
  • Built-in generators can be soundproofed all the way down to 65 dBA

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Product sheets.






Perkins 10-22 kVA


Perkins 30-1200 kVA




John Deere


Automatic refueling

Suitable for generators running for multiple days or weeks, we also offer installation of a fully automated fuel replenishment system. This system retrieves fuel from an external fuel storage tank when the fuel level decreases in the primary tank. This ensures a continuous fuel supply to the generator, providing you with peace of mind without the need for manual monitoring and refilling.

Phasing in and out

To ensure a seamless transition to grid power, we equip our backup generators with uninterruptible power transfer. By utilizing phase synchronization equipment, it is possible to conduct load testing on the generator without causing any disruptions in the power supply. This allows you to test and verify the performance of the generator without risking any interruptions in electricity delivery.


We manufacture diesel generators and offer the option to build them either in soundproof storage containers or non-soundproof ISO containers. This allows us to customize the generators according to your specific needs and requirements. Whether you prefer a quieter operating environment with reduced noise levels or have other priorities, there is a suitable solution for you. We strive to cater to different use cases and provide you with flexibility in choosing your diesel generator.

Soundproof generators

Our soundproofed power generators can be specially ordered with a noise level as low as 55dBA, which is between a normal conversation tone and heavy rainfall. This means that our generators operate extremely quietly and provide minimal noise disturbances in the surroundings. With this customizable sound insulation, you can enjoy a comfortable working environment or a peaceful setting without being disturbed by unpleasant noise.

Double sheathed fuel tank

By using an additional shell, the fuel tank receives extra protection. This additional shell offers several advantages. Firstly, in the event of a leakage, the fuel is contained within the outer tank instead of spreading. This reduces the risk of soil and water pollution and can align with any environmental requirements. Secondly, in case of a collision, the extra shell acts as a protective barrier for the inner tank, reducing the risk of damage or fuel leakage, thereby enhancing both the safety and environmental protection of the power generator.

Changeover switch

To feed power from a backup generator, an automatic transfer switch is used, which actively interrupts the main power supply and transfers it to the backup power source. We offer both manual transfer switches in the form of two-way switches and fully automatic transfer switches with sealed contactors or motor-operated circuit breakers to cater to different needs and preferences. You can always rely on our solutions to provide reliable power supply when needed, regardless of the option you choose.

Remote start

By utilizing remote control, you can easily start or test your backup generator even from a distance. This convenient feature enables remote operation from home or via mobile devices. Remote control can be achieved through cable connection, network connection, or wirelessly. Additionally, we offer custom-made solutions that allow you to monitor and control the generator from any computer. With these features, you can effortlessly manage and monitor your backup generator remotely, providing you with flexibility, convenience, and enhanced control over your power supply.

Parallel operation

We offer the manufacturing of backup generators that actively communicate with other backup generators or power sources to enable parallel operation of multiple units. This allows for collaboration and coordination among the generators to achieve efficient and reliable power supply. Additionally, there are options where the backup generator can be synchronized and loaded against the grid, providing further flexibility and the ability to optimize the power supply according to needs and requirements. By leveraging these advanced features, you can ensure a stable and reliable power supply even in situations that demand higher capacity and multiple units working together.

Fully automatic generators

With our fully automatic solutions, the backup generator can be started automatically, 24/7, regardless of your geographical location. This means that you always have access to a reliable power supply even when the utility grid is out of service. Through continuous monitoring and detection of power outages, the backup generator is activated automatically to ensure that you are not left without power. No matter where you are in the world, you can rest assured that our fully automatic solution will guarantee an uninterrupted supply of electricity.

UPS system

Our battery backup solution is a reliable system that effectively eliminates flickering, transients, voltage drops, and other disturbances that may occur on the utility grid. It is specifically designed to secure and protect computers and other sensitive electronic equipment that can be damaged during unexpected power outages. Additionally, the batteries in the backup system are equipped with the capability to be charged with diesel power when the utility grid is out of service. This ensures a continuous and reliable power supply even during extended periods of power outage.