Passenger ferries
Full range of control devices
DEIF controllers connect any number of sources in an efficient and reliable power/energy management system. The cost-effective iE 150 Marine handles up to 7 assets, and the iE 250 Marine handles thousands of assets and offers E27 compliant cybersecurity. Our compact iE Convert devices transform and convert power with minimal losses, and the Blueflow system helps crews sail more efficiently. And our displays, accessories, and bridge and switchboard instruments help you build a complete solution.

Electric ferry gets off to a great start with DEIF solution
When ferry operator Molslinjen added an electric ferry to its Esbjerg-Fanø route to boost reliability and minimise environmental impact, a DEIF control solution plus competent project support made the switch to electric propulsion very successful: The project superintendent ranks the experience as the best new ship project he has been involved in.
Control and combine any power source
Whether you are looking to optimise diesel engines, combine diesels with batteries and shore connections, or go for an all-electric setup, DEIF controllers manage your power and energy sources efficiently so you can reduce emissions and save fuel – and ensure uninterrupted power and control.
The distribution and conversion tools you need
You can use DEIF controllers to control AC and DC bus power architectures or design hybrid solutions that give you the best of both worlds. With our compact power converters, you can easily convert and transform energy on board as required with minimal heat losses – and with a very compact footprint.
Long experience with maritime projects
DEIF has manufactured cutting-edge controllers and instruments for ferries for decades, and we know how your business works. We draw on that experience to support you throughout your project: Whether you need us to contribute to your newbuild from the design stage, or to execute a retrofit operation that disturbs your timetable as little as possible, we provide the expertise and assistance you require.
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How exactly does Blueflow help crews cut cost and emissions?

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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