Devices that keep things moving
Keep your coastal, harbour, and inland vessels sailing with our class-approved, cost-effective devices.
Workboats of every shape and size keep things moving in harbours and along coasts and inland waterways. From riverboats to lake freighters, from tugs and pushers to dredgers and fireboats, and from coasters and sampans to lighters and crew boats, they play a key role in waterborne transportation – and in the communities that depend on it.
Operating in shallow waters close to shore, these craft rarely need the advanced systems required on oceangoing ships – but to operate safely and reliably, they need uninterrupted power and accurate control, and they increasingly need to reduce emissions and pollution. DEIF devices help owners and operators reach these targets and keep up the flow of people, goods, and services.

WSS 550

Ship navigation relies on accurate, real-time wind data to capture changes in wind speed or direction, helping the crew correct the course or avoid potentially dangerous situations. DEIF’s WSS 550 wind sensor combined with the XDi-N indicator is a cost effective and flexible solution that meets the everyday wind measuring needs of the maritime sector.
WSS 750

Ship navigation relies on accurate, real-time wind data to capture changes in wind speed or direction, helping the crew correct the course or avoid potentially dangerous situations. This is especially true for the harshest marine environments. The DEIF WSS 750 wind sensor combined with the DEIF XDi-N indicator is a cost effective and flexible solution that meets the harshest wind measuring needs of the maritime sector.
Wind Indicator (XDi-N)

DEIF’s top of the range display based bridge indicator, combined with a Wind and Weather library and DEIF’s WSS 550/750 wind sensors, offers a number of advanced space, cost and time saving functions in one indicator.
Navigation Indicator (XDi-N)

DEIF’s top of the range display based bridge indicator, combined with a Navigation library, offers a number of advanced space, cost and time saving functions in one indicator.
XDi

XDi - Digitalisation of traditional analogue bridge indicators, creating a compact, easy-to-install, versatile and user-friendly solution to today's bridge indicator challenges.
XL

DEIF’s robust, accurate and flexible illuminated bridge indicators are designed to meet the unique regulatory, space and integration challenges of today’s bridge environment.
BRW-2 & BW

Taking DEIF’s XL illuminated indicator technology and scale designs outdoors, the BRW-2 and BW indicators offer the same robust, accurate and flexible features as the XL range of illuminated bridge indicators and are designed to meet the unique regulatory and integration challenges of bridge wings.
XDi

XDi - Digitalisation of traditional analogue bridge indicators, creating a compact, easy-to-install, versatile and user-friendly solution to today's bridge indicator challenges.
XL

DEIF’s robust, accurate and flexible illuminated bridge indicators are designed to meet the unique regulatory, space and integration challenges of today’s bridge environment.
AGI 400

A comprehensive HMI solution, DEIF’s AGI 400 series connects to all DEIF Multi-line controllers, as well as third party electronics, via standard defined communication protocols, featuring functionalities which eliminate the need for other instruments, thus saving you both space and wiring.
MDR-2

The MDR-2 is a state-of-the-art combined differential protection and short-circuit protection relay for generator protection against internal short circuits (leaking currents).
MVR-200 series

The MVR-200 series combines reliable protection, control and measuring functionality in a single device for medium and high voltage applications.
CSQ-2

DEIF's CSQ-2 has been phased out and is no longer for sale.
CSQ-3

The CSQ-3 integrates synchroscope and check synchronising relay into a microprocessor-controlled, easy-to-install solution. CSQ-3 is a multi-function synchroscope meter.
EPQ96-2

The EPQ96-2 is a digitally controlled electronic unit that replaces normal motor potentiometers for control of electronic speed governors.
2FTQ & 2FQ

DEIF's robust double frequency meters are highly accurate and compact.
SIM-Q MKII

The SIM-Q MKII monitors the insulation resistance between the connected network and an earth/safety cable. Using a unique measuring principle, it measures the insulation resistance in AC networks up to 690 V and DC networks up to 1000 V.
MIC-2 MKII

Versatile and intuitive, DEIF’s multi-instrument MIC-2 MKII is perfectly suited for monitoring and analysis of all types of power systems.
EQ

The EQ is a versatile quadratic moving iron instrument for measuring AC currents and AC voltages within the range 16 to 65 Hz.
VDQ96-sw

The VDQ96-sw has been designed to save switchboard builders space and installation time and does not require installation of normal selector switch. The instruments measure phase-to-phase currents and is available in 96 mm size only.
WQ

The WQ, power meter, measures power or reactive power using a moving coil movement. The power meter has a built-in electronic watt or var transducer.
FQ & FTQ

With high immunity to 3rd harmonics, DEIF's frequency meters are suitable for all applications. The moving coil meters feature integrated electronics that convert frequency into analogue readings with accurate and linear readouts.
PFQ

The PFQ power factor meter measures cos phi with a moving coil movement and an electronic transducer.
ASK & ASR

Part of DEIF's current transformer range, these measuring transformers convert high current into lower nominal current value, thus making it possible to use instruments and relays with standardised values of rated current.
KBU

DEIF's split-core current transformers are cost-saving and easy-to-install units for responsible and efficient energy management solutions and for retrofitting existing installations.
AL8-2

With eight digital alarm inputs, three relay outputs and many flexible features, the AL8-2 alarm panel is suitable for alarm monitoring at industrial and marine plants.
RMT-111Q96

DEIF's phase sequence meters are applied to check and indicate correct and incorrect connection of the phases plus phase breakage of a shore connection.
iE 150 Marine

Ideal for non-oceangoing ships, the flexible and user-friendly iE 150 Marine lets you build power/energy management systems with up to seven assets, manage standalone generators and emergency gensets, or control engines, pumps, and sprinklers.
iE 150 Marine

Ideal for non-oceangoing ships, the flexible and user-friendly iE 150 Marine lets you build power/energy management systems with up to seven assets, manage standalone generators and emergency gensets, or control engines, pumps, and sprinklers.
iE 150 Marine

Ideal for non-oceangoing ships, the flexible and user-friendly iE 150 Marine lets you build power/energy management systems with up to seven assets, manage standalone generators and emergency gensets, or control engines, pumps, and sprinklers.
iE 250 Marine

The iE 250 Marine empowers you to design future-proof energy control solutions for maritime applications with IACS UR E27 approved cybersecurity, modular flexibility, and great processing power.
iE 350 Marine

The iE 350 Marine helps you expand the horizons of advanced maritime energy control with highly flexible modularity, great processing power, new standards in user friendliness – and IACS UR E27 approved cybersecurity.
iE 150 Marine

Ideal for non-oceangoing ships, the flexible and user-friendly iE 150 Marine lets you build power/energy management systems with up to seven assets, manage standalone generators and emergency gensets, or control engines, pumps, and sprinklers.
iE 250 Marine

The iE 250 Marine empowers you to design future-proof energy control solutions for maritime applications with IACS UR E27 approved cybersecurity, modular flexibility, and great processing power.
iE 350 Marine

The iE 350 Marine helps you expand the horizons of advanced maritime energy control with highly flexible modularity, great processing power, new standards in user friendliness – and IACS UR E27 approved cybersecurity.
iE 150 Marine

Ideal for non-oceangoing ships, the flexible and user-friendly iE 150 Marine lets you build power/energy management systems with up to seven assets, manage standalone generators and emergency gensets, or control engines, pumps, and sprinklers.
iE 150 Marine

Ideal for non-oceangoing ships, the flexible and user-friendly iE 150 Marine lets you build power/energy management systems with up to seven assets, manage standalone generators and emergency gensets, or control engines, pumps, and sprinklers.
iE 250 Marine

The iE 250 Marine empowers you to design future-proof energy control solutions for maritime applications with IACS UR E27 approved cybersecurity, modular flexibility, and great processing power.
iE 350 Marine

The iE 350 Marine helps you expand the horizons of advanced maritime energy control with highly flexible modularity, great processing power, new standards in user friendliness – and IACS UR E27 approved cybersecurity.
iE 150 Marine

Ideal for non-oceangoing ships, the flexible and user-friendly iE 150 Marine lets you build power/energy management systems with up to seven assets, manage standalone generators and emergency gensets, or control engines, pumps, and sprinklers.
iE 250 Marine

The iE 250 Marine empowers you to design future-proof energy control solutions for maritime applications with IACS UR E27 approved cybersecurity, modular flexibility, and great processing power.
iE 350 Marine

The iE 350 Marine helps you expand the horizons of advanced maritime energy control with highly flexible modularity, great processing power, new standards in user friendliness – and IACS UR E27 approved cybersecurity.
Efficient control and a complete overview
DEIF devices cover every control need on harbour and inland vessels. Our compact and cost-effective iE 150 Marine provides control and power management with up to two generators, two energy storage systems, two bus tie breakers, and a shore connection. You can use the device to control engines, pumps, and sprinklers with its built-in engine drive functionality, and you can monitor and control it remotely using an AGI 400 display.
You can get a complete overview of your vessel from the bridge or pilothouse with our range of bridge instruments, including analogue and digital indicators and wind monitoring devices.

Not quite sure what power management is?
iE 150 Marine ideal for battery retrofit
Replacing one or more diesel generators with an energy storage system is a quick way of converting workboats for compliance with tightening emission regulations. Easy to install and integrate with other devices, the iE 150 Marine helps you handle this retrofit operation quickly, reducing emissions and climate impact – and reducing fuel consumption.
98% on-time deliveries
Over the decades, we have built a highly reliable global supply chain, and we manufacture our high-quality products in-house at the factory in Denmark. This means you get very short lead times and impressive delivery performance: Globally, 98% of all DEIF deliveries are on time.
Local support worldwide
If you have questions or need help, we are ready to support you. We have subsidiaries and partners on all continents which allows us to offer local technical support worldwide – in addition to our online and phone support which is open 24/7/365. When you work with DEIF, you get a partner you can rely on, in any port and on any river, lake, or canal.
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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