Marine Onshore/Offshore

In challenging operating environments, preventive maintenance of electricity distribution equipment, machinery, and systems is crucial for operational reliability.

Insta provides maintenance services for machinery, equipment, and systems, tailored for marine conditions and customers' special requirements. Maintenance, repairs, renewal, and life cycle planning are all carried out with professional skill by Insta's experienced experts and backed by certified quality. 

We operate internationally, with permanent locations in Tampere, Vantaa, and Muurame in Finland. 

The iNetti maintenance software for contract maintenance customers enables contract maintenance monitoring in real time, also with respect to documentation.

Salonen Mika Business Unit Manager +358 50 563 3696
Välimäki Johannes Sales Manager +358 50 443 0747
Sikanen Terho Maintenance Manager (Muurame) +358 50 430 8653
Laaksonen Tomi Service Engineer (Salo) +358 50 464 5230
Ylioja Niko-Ville Service Specialist (Espoo) +358 50 448 1250
Helander Matias Project Manager (Tampere) +358 50 592 8597

Electricity Distribution Systems and Equipment on Ships

Circuit breakers and disconnectors on main boards, 0.4–12 kV
  • Low, medium, and high voltage equipment maintenance, repairs, renewal, and commissioning
  • All brands serviced either in the field or in workshop
  • Equipment renewal: all brands represented, such as ABB, Schneider, and Siemens
  • Spare parts, consulting, and support services


Main boards: protection relays
  • Regular, primary and repeat testing, renewal, and commissioning
  • Overcurrent relays, ground relays, differential guards, motor protection relays, generator relays, etc.
  • Our service covers all well-known brands, such as ABB, VAMP, and Siemens
  • Spare parts, consulting, and support services


Backed-up Power Supplies and UPS Devices
  • UPS devices, accumulators, and battery packs
  • Maintenance, repairs, and inspections
  • Renewal and commissioning


The comprehensive transformer maintenance service of our field service is based on life cycle management and optimization. Transformer maintenance is implemented systematically, taking into account the needs and operational conditions of the customer. This way, unplanned power distribution outages and disturbances can be avoided.

Transformer Maintenance
  • Oil-insulated and dry transformers
  • Maintenance and repair work on-site
  • Preventive maintenance on distribution and process transformers
  • Oil sampling and transformer inspection during operation
  • Replacements for grommets and lid seals
  • Oil analyses
  • Oil filtering





Electric Machines, Generators and Drives

Insta comprehensively handles installation, commissioning, repair, renewal, and life cycle planning of customers' electric machines and drives. Our knowledgeable and experienced personnel always serve our customers by helping them choose the best possible solutions for the maintenance and development of direct-current machines and drives. Measures are implemented in a cost- and resource-effective manner with minimal shutdowns.




  • Maintenance and repairs on-site and at workshop
  • Commissioning
  • Installation and installation supervision
  • Power plant adjustment work, AVR and commissioning of synchronization equipment 
  • Engineering of generator protections
  • Troubleshooting generators and settings
  • Expert tasks and testing by classification societies

DC machine brushes maintenance

  • Brushes maintenance on-site
  • Maintenance planning
  • Brushes storage management

Variable Speed Drives VSD and DC Drives current operations 

From a brand-independent supplier: 

  • Preventive maintenance, troubleshooting, and repairs
  • Equipment surveys and life cycle plans
  • Equipment renewal and commissioning


A pioneering automation problem-solver

As a full-service electrical automation partner, Insta also serves its customers at other stages of system life cycles:


Cabinet Manufacturing



Electrical Distribution Service

Turn-key Deliveries

Bureau veritas
Lloyd’s Register
Russian Maritime Register of Shipping
UL Listing