Marine electrical installations

Instrumentation Electricidad, SA (IESA) is specialized in electrical installations for marine sector. Our history over 24 years is responsible of we consider ourselves true experts today.

We are an installation company that helps you with your marine electrical installations adding detailed engineering

In Instrumentation Electricidad, SA (IESA) we successfully performthe maintenance and installation of complete electrical systems for a large number of companies in the sector. This is reflected in our methods and results.

We have acquired much skill in performing this type of work and we believe the best way to keep customers satisfied is giving them a complete service.

In this way, our customers only have to worry about enjoying their installations once we have completed the maintenance work or installation on them.

We are official suppliers of Fireseal AB, Enertronica Santerno and Jowa AB. We are official service agent on the peninsule for VAF Instruments BV and Schaller Automation GmbH. We also have the support of Terasaki Electric Europe Ltd.

We mentioned that our customers need not to worry about anything and this is a premise that we meet in all the projects we do. To make this possible, we need your previous collaboration, we need to know what you want or do not want in your installation and need to understand your requirements in order to begin working on your project.

Our installation may include or not, as desired, supply of transformers, lighting equipment, internal communications, fire detection systems, alarm systems... all your choice!

FireSeal AB:

We have recently obtained agreements with FireSeal AB, for official distribution partnership in Spain, this being a leader in supply of sealing systems for cables and pipes penetrations through bulkheads and decks. All its products are certified by the major marine classification societies.


We have recently expanded the number of approved service agencies in Instrumentation Electricidad, SA (IESA). This include JOWA AB, recognized worldwide manufacturer of equipment for water treatment for the marine sector.

Its products include alarm 15ppm bilges (Seaguard) and the Oil Discharge Monitoring Equipment (ODME-2005) and full treatment equipment as bilge separator, reverse osmosis unit, freshwater, etc.

Terasaki Electric Europe Ltd:

We have over 23 years experience in the marine sector, and it is our desire of continuous improvement to more and better service to customers.

That is why our technicians have been recently qualified by a leading brand and global benchmark in the field of electricity, Terasaki Electric Europe Ltd to carry out the selection, testing, maintenance and implementation of their Air Circuit Breakers (ACB) and Moulded Case Circuit Breakers (MCCB).

Having the support of this brand for the development of electrical systems, gives us an absolute guarantee that we deliver a reliable, durable and, ultimately, of the highest quality installation.

Feel free to stop on our contact section and request an estimation quote for your project, because we are available for you.