Multi-line 300 – built for reliability for tomorrow's marine applications

A class-approved series of controllers meeting design and cost targets for tomorrow's marine applications.



Defining marine and offshore applications of the future

Multi-line 300 is DEIF´s versatile core controller platform. Built with futureproofing in mind, it provides a flexible and modular backbone to a family of tailor made, marine-certified, protection and control products that address the varying needs of todays complex Marine and Offshore markets and applications.

This flexibility allows a cost effective array of products to cover numerous applications, ranging from single generator protection to  complex power management solutions, customised to your specific requirements.


Features GPU 300 PPU 300 PPM 300
Power management X
Load sharing X X
Synchronisation X X
Generator & busbar protection X X X
Engine control & protection X X
CODESYS X
Hybrid application support X X


Watch the recorded webinar and learn how to save time and money with DEIF’s marine applications


Short lead times and timely delivery

Short lead times and timely delivery


Our extensive manufacturing capacity allows us to meet any volume demand – regardless of geographical destination. We work hard to make sure our customers receive orders as quickly as possible, and we ship standard products in less than 7 days.

We manufacture all our products in-house at our Danish HQ in Skive to ensure we continue to meet demand and reduce customer lead times. So if you are struggling to get hold of control products through your usual supply channels, there has never been a better time to talk to DEIF.

  • Simone Drejer SSD

    Contact us to discuss your options

    - 90 years of energy pioneering
    - Manufactured at the highest standards
    - Superior quality
    - Unmatched service and support
    - Made in Denmark