All marine electrical services
- Qualified electrical engineering
- Marine electronics and commissioning
- Electrical design and consultation
- Government approved radio service company and GMDSS
- Service contracts and 24/7 support
Voltak Oy
Voltak Oy sells and installs electronic and electrical systems for boats and ships, utilizing the best components suited for marine use. With extensive experience across a wide range of systems, we are able to select the right solutions for every application.
Since 2007, Voltak Oy has performed electrical and electronic installations for the marine industry, from small vessels to large yachts. In addition to installation, we provide comprehensive electrical design and consultation services, ensuring that each project is tailored to the vessel’s requirements.
Voltak Oy is also a Traficomapproved radio service company, authorized to perform radio surveys on GMDSSequipped ships. We maintain certified test equipment to carry out these inspections reliably and in compliance with international standards. (ISO)
The company’s owner, Robert Nyberg, is a qualified electrician (S2 1000V) with extensive professional sailing background. He is regularly involved in commissioning new superyachts at the Nautor Swan shipyard, bringing handson expertise in integrating complex electrical and electronic systems. Robert holds Furuno ECDIS certification and B&G Performance Level qualification, ensuring compliance with international navigation standards and advanced performance systems.
Robert has sailed professionally and overseen electrical and electronic systems onboard yachts. In 2008, he joined the sixmonth expedition of S/Y Pangaea to Antarctica, where he was responsible for all technical systems during the voyage. He also holds two gold medals from Sailing World Championships.
Projects and references
Swan 651 Spirit of Helsinki
- Refit engineering of all electrical systems for around the world race
- 24 VDC systems with all new wires and switch boards
- B&G H5000 sailing instruments
- Original Perkings engine, new 24VDC system and digitalization
- 230Vac systems with generator, inverter and worldwide shore power (50-60Hz 110-230Vac)
- Balmar high output alternator
- SSB HF radio
- Vhf and Ais
- Satellite communication and external antenna
- Watermaker
- Refrigeration systems
- Stand alone alarm system
- Backup systems
- Heating systems
Swan 82 refit
Refit of all electronics
- B&G H5000 system with pilot
- Zeus Glass helm at pedestals
- Zeus 16 and 9 chartplotters at navstation
- 40/40 displays at mast
- Halo radar
- Load sensors for jib tack and forestay
- Network with several wifi accesspoints and 5G antennas in mast
- Starlink integrated into yachts wifi
- PC with 22-inch touchscreen at the navstation with tactical navigation software
- Tablet PC with tactical navigation software
- Sonos amplifiers in several cabins, saloon and cockpit. Subwoofer in Saloon.
- TV in the saloon connected to yachts' Sonos system
- VHF and AIS
- New DC/DC converters for all electronics with a new label kit on the panel
Electric system repairs and improvements
- Replacement of shore power chargers and inverters
- Isolation fault detected and repaired
- Galvanic isolators on shore power inlets
- Problem with hydraulics control system detected and repaired
- The problem with the generator repaired
Red Sky yachts projects
- All electrical engineering
- 12Vdc systems and wiring
- Simrad navigation system
- 230Vac system with inverter and shore power
- Stern and bow thrusters
- Trim tabs
- Central heating system
- Refrigeration
- Electric toilet
- Search light
- Anchor winch bow and stern
- Gyro Stabilizer
- Lithium battery pack
- Remote monitoring
Sparkman & Stephens yacht refit
- Refit engineering of all electrical systems for arctic expeditions
- 24Vdc system with new wiring and switchboards
- Mastervolt 12kWh lithium battery pack
- Simrad navigation system
- Original Mercedes diesel engine, new electric system with gauges
- 230VAC system with generator, inverter and worldwide shore power (50-60Hz 110-230Vac)
- Flir thermal camera integrated into Simrad system
- Satellite communication
- Vhf and ais
- Mastervolt high output alternator
- Isolation transformer
- Watermaker
- Refrigeration systems
- Stand alone alarm system
- 4G system with external antenna on top of the mast
- Backup systems
- Remote monitoring system
- Central heating system
- Lightning protection
12mR Blue Marlin
- Refit engineering of all electrical systems
- 24Vdc system with new wiring and all new switchboards
- Mastervolt 12kWh lithium battery pack
- B&G H5000 sailing instruments
- 230Vac systems with generator, inverter and shore power automatic switching
- Refrigeration systems
- Air Conditioning
- Heating system
- Vhf and ais
- Induction stove
- Electric Owen
- Remote monitoring
- 4G and wifi
High output alternators with lithium batteries
Voltak has carried out numerous installations using custom high-output alternators mounted on dedicated brackets on the main engine. By combining several alternators, the system delivers outputs of up to 4,5kW, with advanced regulators ensuring precise control across multiple alternators.
Voltak Oy qualifications
- Sähköpätevyys 2 certificate (Electrical Qualification 2) which entitles the electrician to work in electrical works associated with alternating-current electrical equipment of up to 1 kV in nominal voltage and with direct-current electrical equipment of up to 1.5 kV in nominal voltage.
- Authorized Furuno Ecdis service provider.
- Traficom Approved radio service provider and GMDSS.
- Authorised technician and retailer of B&G systems.
- Authorised technician and retailer of Simrad systems.
- Authorised NMEA 2000 technician.
- Mastervolt and CZone certified technician and retailer.
- Provider of electrical services approved by insurance companies.
- Safety at electrical work SFS6002 certificate.
- Occupational safety certificate.
- Hot-work certificate.
