Pure Sine Wave
Portable Pure Sine Wave DC-AC Inverter 300W
- DC Input12V / 24V / 48V
- AC Output110V / 220V True Sine
- Efficiency> 90% Peak
Engineered Hardware
Precision Power Solutions for Extreme Operations
Factory-direct DC-DC buck/boost converters, pure sine wave inverters, and rotary phase changers built for offshore resilience, industrial uptime, and harsh electrical dynamics.
DC-DC Buck
Wide Range 8-35V to 7V 5A Step-Down Module
- Input Voltage8V–35V Unregulated
- Rated Output7V DC @ 5A Continuous
- Form FactorCompact Integrated PCB
Waterproof IP67
YUCOO IP67 Sealed 24V to 12V 3A Micro Converter
- EnvironmentalIP67 Resin Encapsulated
- Input / Output24VDC to 12VDC 36W
- InterfaceMicro / Industrial Leads
High Voltage
High Voltage DC Step-Down 84V to 12V 15A
- Nominal Input84VDC Traction Bus
- Output Power180W (12V / 15A)
- ProtectionOVP, OCP, Thermal Cut
Phase Synthesis
Rotary Phase & Frequency Converter 1Ø to 3Ø
- ConversionSingle to 3-Phase True Wave
- Dual Frequency50Hz / 60Hz Configurable
- Heavy DutyHigh Inrush Surge Handling
Buck-Boost
Universal 9-32V to 12V 12A Buck-Boost Unit
- StabilizationSeamless Step Up/Down
- Rated Output12VDC @ 12A (144W)
- CasingExtruded Aluminum Fin
Marine / Vehicle
Dual-Input 12V/24V to 220V AC Auxiliary Inverter
- Continuous Load300W (600W Surge Rating)
- Port OptionsAC Universal Socket + USB
- ProtectionLow Battery Shutdown
Stabilizer
Heavy-Duty DC Stabilizer 12V/24V to 13.8V 20A
- Lead Battery SpecStable 13.8V Float Target
- Output Current20 Amperes Non-stop
- Thermal ControlIntegrated Dissipation Block
23+
Years Engineering Experience
1,229m²
SGS-Audited Manufacturing Base
10+
Active Automated Assembly Lines
100%
Full-Load Thermal Burn-in QC
Industrial Power Supply Dynamics in Western Norway’s Maritime Hub
Bergen operates as the undisputed operational epicentre of Norway's maritime, offshore exploration, subsea robotics, and aquaculture sectors. Extending from the subsea technology clusters along the Coast Center Base (CCB) at Ågotnes to the high-density maritime traffic traversing the Byfjorden, electrical infrastructure deployed across Western Norway encounters operating conditions fundamentally distinct from standard continental installations. Sourcing engineers, marine electricians, and automation system integrators across Vestland require industrial power supply units (PSUs) capable of withstanding relentless galvanic exposure, substantial harmonic interference, and wide voltage swings endemic to floating generator topologies and isolated harbor grids.
1. Environmental Demands: Maritime Salinity, Condensation, and Ingress
The microclimate surrounding Bergen is characterized by high annual precipitation exceeding 2,200 millimeters, frequent gale-force coastal storm surges, and sustained atmospheric humidity hovering near saturation levels. In outdoor marshalling kiosks, dockside crane controls, offshore wind substations, and vessel engine compartments, standard commercial power supplies succumb rapidly to trace salt mist ingress and electrochemical migration across PCB traces.
Engineered Failure Mitigation in Vestland Marine Environments:
Standard conformal coatings frequently fail to halt electrolytic dendritic growth under continuous 24V or 48V potential differences when relative humidity exceeds 85%. Varnix addresses this vulnerability by deploying vacuum-degassed epoxy potting (achieving rigorous IP67 and IP68 integrity) along with die-cast aluminum heat-dissipation housings treated with anti-corrosion anodized coatings compliant with ISO 12944 marine environmental classifications.
2. Power Quality Variances: Shore Power Interfacing & Isolated Vessel Grids
As Bergen advances toward aggressive port decarbonization via the Port of Bergen’s low-voltage and high-voltage shore connection (HVSC) installations, maritime vessels frequently bridge the operational divide between localized diesel-electric generator plants and terrestrial grid power. This dynamic introduces significant electrical challenges:
- Harmonic Distortion and Phase Imbalance: High-powered variable frequency drives (VFDs) running thrusters, hydraulic winches, and slurry pumps inject severe total harmonic distortion (THD) into vessel microgrids. Auxiliary sensor systems require pure sine wave conversion units with internal THD < 3% to prevent PLC processor reset loops.
- DC Bus Fluctuations on Hybrid Ferries: Modern Norwegian electric catamarans and fjord vessels depend on fluctuating 600V–1000V traction battery arrays. Step-down regulation feeding bridge navigation racks, Starlink antennas, and safety telecommunications requires isolated DC-DC converters capable of handling sudden load dumps without sagging below critical logic thresholds.
3. The Subsea, Aquaculture, and Aquaculture Robotics Matrix
The North Sea deepwater operations headquartered around Sotra and Mongstad demand extreme galvanic isolation. Subsea inspection ROVs (Remotely Operated Vehicles) and autonomous sea-cage monitoring rigs for salmon farms across Hardangerfjord depend on converters engineered with 1500VDC to 3000VDC input-to-output isolation. High isolation prevents catastrophic ground loops, preserving sensor calibration integrity in high-salinity seawater return paths.
System Architecture
Localized Integration Profiles across Vestland Industries
Engineered hardware mapped directly to operational requirements across Norwegian shipping lines, fish farm concessions, and offshore energy infrastructure.
Shore-to-Ship Conversion
Enabling auxiliary 110V/220V AC single-phase electronic suites to interface reliably with 400V/440V 3-phase coastal quay feeders through robust rotary and electronic frequency synthesis.
Aquaculture Feeding Platforms
Resilient IP67-rated 24V-to-12V and 13.8V float stabilization units maintaining uninterrupted power to sensor buoys, telemetry cameras, and pellet dispersal controllers anchored in exposed open fjords.
Subsea Trenching & ROV Control
DC-DC buck converters with galvanic isolation barriers up to 3kV to isolate subsea instrumentation from thruster inductive spikes, ensuring fault-tolerant navigation and data collection.
Offshore Wind Turbine Enclosures
Rugged auxiliary buck modules stepping down 84V/110V battery strings to power critical aviation warning beacons, turbine pitch-control computers, and SCADA monitoring gateways.
Maritime Mobile Communications
Starlink Mini and marine satellite stabilization supplies maintaining a rigid 30V/3.5A rail from unstable 12V/24V service batteries across rough sea operations and cold-cranking cycles.
Electrification Retrofits
Custom OEM switching power supplies tailored for zero-emission tugs and workboats, delivering programmable constant-voltage / constant-current (CV/CC) profiles for energy storage racks.
Enterprise Trust
Manufacturing Capabilities Built for Direct Procurement
Direct from our 1,229 m² production complex verified by SGS. We eliminate trading intermediaries, giving Norwegian industrial clients custom-tailored power conversion with documented audit trails.
ISO 9001:2015 & SGS Verification
Our plant operates under certified ISO 9001 quality management audited onsite by SGS. Full component traceability is maintained across incoming inventory, SMT welding, and final encasement.
100% Thermal Burn-In Screening
Every industrial inverter and DC-DC power supply runs through mandatory multi-hour full-load thermal burn-in chambers, systematically weeding out infant mortality defects prior to export.
Comprehensive OEM/ODM Engineering
From custom non-standard DC inputs (such as 84VDC traction rails or high-voltage DC microgrids) to application-specific extruded aluminum housings, our R&D unit delivers fast-turn prototypes.
Direct Overseas Fulfillment
With established export trade handling over 50% of annual output shipped globally, we provide structured Incoterms (FOB, CIF, DDP Bergen Harbor) with expedited express delivery for replacement spares.
Certified Regulatory Compliance
Hardware conforms to CE, RoHS, and FCC directives. Certified test reports, electromagnetic compatibility (EMC) files, and material safety documentation are provided for Class survey verification.
24/7 Field Engineering Escalation
Our direct electrical engineering support team maintains a 98.2% responsive resolution rate, assisting technical procurement managers in calculating thermal derating curves and short-circuit fault paths.
Procurement Clarity
Frequently Asked Questions by Industrial Buyers in Bergen
Addressing compliance, cold-weather performance, and logistics for Western Norwegian procurement cycles.
How do your industrial power converters handle the cold, damp climate of Western Norway?
Our products undergo comprehensive conformal potting or total epoxy resin encapsulation (IP67/IP68). This hermetic isolation shields sensitive switching circuits from high relative humidity, coastal condensation cycles, and salt crystal buildup. Additionally, thermal management designs incorporate components rated down to -40°C operating temperature, ensuring cold-crank capability during harsh Nordic winter operations.
Can these power units be certified for DNV-GL maritime installation surveys?
While off-the-shelf standard converters carry CE, RoHS, and FCC compliance, our engineering division supports OEM/ODM customers requiring full DNV-GL, Lloyd’s Register, or Bureau Veritas type-approval alignment. We provide underlying material certificates, component burn-in records, low-smoke zero-halogen (LSZH) internal wiring options, and third-party laboratory EMC test files required by marine classification surveyors.
What is the advantage of pure sine wave inverters over modified sine models on vessel generator grids?
Modified sine wave outputs generate sharp square-step transitions resulting in severe third, fifth, and higher-order harmonics. When powering critical bridge navigation equipment, acoustic sonar transponders, or motorized pumps, this harmonic noise causes dangerous thermal dissipation, acoustic hum, and unexpected shutdown thresholds. Pure sine wave inverters synthesize smooth total harmonic distortion (< 3%), protecting inductive and delicate microelectronic loads.
What are the lead times and shipping mechanisms for deliveries to Bergen port or Flesland?
Standard catalog units and evaluation samples dispatch rapidly, typically reaching Bergen within 3 to 7 working days via priority air courier (DHL/FedEx directly to Bergen Flesland BGO). Volume production orders are shipped via scheduled ocean freight to the Port of Bergen (Bergen Havn) or consolidated rail-sea freight under FCA, FOB, CIF, or DDP terms, managed end-to-end with comprehensive customs documentation.
Can your factory build custom DC-DC converters for non-standard battery voltages (e.g., 84V, 96V, or 120V)?
Yes. Our proprietary in-house engineering team designs and manufactures custom buck, boost, and buck-boost power topologies. Whether you are working with specialized mining vehicles, traction batteries, hybrid propulsion buses, or subsea tether voltages, we can calibrate custom primary-side input windows, current limits, and isolated output rails according to exact client specifications.