12V–15V 5000A–6000A 75kW Water-Cooled DC Rectifier
- Topology: High-Frequency IGBT
- Cooling: Deionized Closed Water Loop
- Output Range: 0–15V / 0–6000A Adj.
- Protection: IP54 Sealed Cabinet
Direct Factory Hardware
High-Efficiency DC Switching Power Supplies & Rectifiers
Engineered to EU 400V/50Hz grid requirements with galvanic isolation, high power factor (PF ≥ 0.95), and modular high-frequency IGBT architecture.
12V 4000A 48kW Constant Current Plating DC Source
- Input: 3-Phase 400VAC ±10%
- Current Ripple: ≤ 2% RMS
- Control Mode: CC / CV Auto Switch
- Interface: RS485 Modbus RTU
8000A 12V High-Amperage Water-Cooled Galvanizing Rectifier
- Output Current: Continuous 8000A DC
- Efficiency: ≥ 90% at Full Load
- Isolation: Class F Industrial Grade
- Application: Marine Hot-Dip / Zinc
48V 625A 30kW Polarity-Reversing DC Supply
- Reversal Period: 1s to 9999h Programmable
- Switching Transient: ≤ 50ms Seamless
- Function: Descaling / Chlorination
- Standards: CE, LVD, EMC Compliant
300kW 20V 15000A High-Current Chemical Electrolysis Unit
- Output: 0–20V / 0–15,000A
- Thermal Management: Pure Copper Busbars
- Enclosure: Anti-Corrosive Epoxy Coat
- Duty Cycle: 100% 24/7 Heavy Industrial
800V 50A 20kW Programmable High-Voltage DC Source
- Voltage Slew Rate: Programmable Rise/Fall
- Ripple & Noise: ≤ 0.1% Vrms
- Display: Digital Touch Panel + CAN
- Target: EV Powertrain / BESS Bench
28.5V DC 600A Mobile Aircraft Ground Power Unit (GPU)
- Peak Engine Start: Up to 2000A Transient
- Form Factor: Ruggedized Mobile Chassis
- Standards: MIL-STD-704F / ISO 6858
- Application: Aviation Hangar & Apron
115V/200V 400Hz 90kVA Static Frequency Converter
- Inversion: Dual SPWM IGBT Solid-State
- THD: < 2% Pure Linear Sine Wave
- Overload Margin: 300% for 2 Seconds
- Sector: Aerospace Avionics / Marine
Adriatic Operational Scenarios
Tailored Engineering for Zadar's Coastal & Industrial Sectors
Operating industrial conversion electronics in the Zadar County (Zadarska županija) demands deliberate hardening against high relative humidity, chloride-laden sea mist (Bora wind conditions), and stringent European environmental directives.
Yacht Refit & Marine Shipyard Surface Finishing
Ship repair yards across Zadar, Biograd na Moru, and the Gaženica port corridor require heavy-duty pulse-reverse electroplating rectifiers and anodic oxidation power systems. Hard anodizing of marine-grade 5083 and 6082 aluminum structures demands precise constant current (CC) ramps to defeat micro-crack propagation caused by saltwater exposure. Fenvix units supply stable low-ripple currents (≤1%) protecting structural hull integrity and decorative yacht trim.
Port Gaženica Impressed Current Cathodic Protection (ICCP)
As one of the central deep-water ports along the eastern Adriatic, Gaženica experiences severe galvanic corrosion on steel pilings, submerged berthing docks, and offshore mooring pontoons. Custom Fenvix DC switching power supplies operate continuously in ICCP arrays, delivering closed-loop reference potential regulation via RS485 interfaces to maintain steady protective potentials regardless of seasonal salinity or water velocity fluctuations.
Zadar Airport (LDZD) Aviation Maintenance & MRO
Zadar Airport serves substantial international passenger traffic and military training operations at Zemunik airbase. Aircraft MRO hangars require quiet, emission-free 28.5V DC ground power units (capable of absorbing high engine-starting inrush peaks) alongside solid-state 115V/200V 400Hz frequency converters. Fenvix replaces aging motor-generator sets with high-reliability solid-state IGBT units delivering pure sine waveforms with <2% THD.
Aquaculture & Mariculture Water Treatment
The Zadar archipelago is Croatia's powerhouse for bluefin tuna, sea bass, and sea bream farming (e.g., Kali Tuna, Cromaris). Onshore hatcheries and processing facilities rely on electrolytic water treatment and on-site electro-chlorination. Our automatic polarity-reversing DC power supplies feature titanium electrode self-cleaning cycles, eliminating scale build-up without hazardous descaling acids and optimizing bio-security.
Solar-Coupled Industrial Hydrogen & Heating Cells
Northern Dalmatia has one of Croatia's highest solar irradiance indexes. Industrial parks in Polianka and Murvica increasingly integrate commercial photovoltaic arrays with industrial DC microgrids. Fenvix programmable DC power supplies feature wide input ranges and sub-millisecond dynamic responses, providing ideal controllable loads for PEM electrolyzer pilot projects and high-efficiency resistive heating.
Food Processing & Cold Chain Electro-Sterilization
Fish processing, olive oil extraction, and cold-storage operations around Zadar leverage high-voltage pulsed DC electric field (PEF) treatment for cold pasteurization and cell permeabilization. Fenvix delivers custom pulsed high-voltage DC modules capable of microsecond pulse generation up to 30kV, extending food shelf life while adhering strictly to European food contact hygiene frameworks.
Market Trajectory & Modernization
Regional Power Conversion Trends Shaping Dalmatia
An executive briefing for plant managers, electrical engineers, and naval procurement teams navigating the green transition along Croatia's Adriatic littoral.
Regulatory Mandate
Transition to EU Ecodesign & Energy Efficiency
With Croatia fully embedded in the European Green Deal and industrial emissions directives, legacy SCR (Silicon Controlled Rectifier) units with operating efficiencies below 72% are rapidly being decommissioned across Zadar's industrial zones. Modern switch-mode IGBT rectifiers from Fenvix operate with continuous thermal efficiencies exceeding 90%, reducing power utility bills and cutting facility heat rejection requirements by more than half.
Coastal Environment
Water-Cooled and Sealed IP54/IP55 Architectures
The Dalmatian coast experiences high salinity, dust, and dry summer heat alternating with corrosive humid winter gales. Air-cooled rectifiers draw ambient salt aerosol over sensitive IGBT modules, inducing catastrophic bridge failures within months. The market is shifting decisively toward sealed IP54/IP55 enclosures equipped with internal liquid-to-liquid or liquid-to-air closed heat exchangers.
Grid Resilience
Low Harmonic Distortion (THD < 5%) Compliance
Croatian national grid operator HEP ODS enforces stringent limits on total harmonic distortion (THD) injected back into industrial feeder lines. Fenvix integrates active power factor correction (APFC) and 12-pulse / 24-pulse or active front-end (AFE) topologies, dampening THD to well below 5% and preventing nuisance tripping of local SCADA systems and delicate maritime navigation radars.
13+
Years Engineering Precision
≥ 90%
Typical Switch-Mode Efficiency
15,000A
Max High-Current Capability
Zero MOQ
Bespoke OEM Prototyping
Factory-Direct Advantage
Guangdong Fenvix Technology Co., Ltd.
Founded in 2013, Guangdong Fenvix Technology Co., Ltd. operates an ISO 9001 certified manufacturing plant spanning 3,000m² in Guangdong, China. On-site verified by TÜV Rheinland, we specialize in high-power, high-frequency industrial DC switching power supplies and static converters where catalog products fail to deliver.
Unlike export trading agencies, Fenvix controls every phase of the value chain in-house: from CNC plate shearing, stamping, and automated copper busbar milling to PCB surface-mount assembly, vacuum potting, and high-voltage burn-in testing under dynamic resistive loads.
- End-to-End Mechanical & Electrical Customization: Non-standard input voltages (400VAC 50Hz, 440VAC 60Hz marine grid), specialized rack/cabinet dimensions, and customized IP ratings.
- Rigorous Quality Governance: 100% full-load thermal imaging and oscilloscope ripple verification prior to crate crating; CE, RoHS, LVD, and EMC conformity.
- Seamless Adriatic Logistics: Direct containerized shipping to Port of Rijeka, Split, or Gaženica; express door-to-door air freight for urgent MRO replacement units.
Procurement Intelligence
Frequently Asked Questions for Buyers in Zadar & Croatia
Essential technical, regulatory, and commercial clarity for Croatian industrial and marine procurement specialists.
Are Fenvix DC switching power supplies fully compliant with European Union grid standards?
Yes. Every unit designated for Croatia and the wider EU is designed for standard European three-phase 400V AC (±10%) at 50Hz or single-phase 230V AC. Our power systems carry CE declarations conforming to the Low Voltage Directive (LVD 2014/35/EU) and Electromagnetic Compatibility Directive (EMC 2014/30/EU), with full RoHS environmental material compliance. Specific type test certificates and third-party laboratory reports are supplied with commercial engineering submittals.
How does Fenvix handle corrosion prevention for coastal Mediterranean environments like Zadar?
For maritime, shipyard, and coastal installations along the Adriatic, we employ three layers of environmental hardening: (1) All external and internal steel cabinetry receives anti-corrosion multi-stage phosphate pretreatment followed by heavy-coat marine-grade epoxy powder baking; (2) Critical printed circuit board assemblies (PCBA) undergo automated triple-dip conformal coating with silicone or polyurethane elastomeric resins to repel salt mist and moisture condensation; (3) For extreme duty cycles, we supply completely sealed, IP54 or IP55 water-cooled enclosures that recirculate clean internal air through a stainless-steel deionized liquid heat exchanger, completely isolating the power electronics from ambient sea air.
What are the typical lead times and logistics routes for shipping equipment to Zadar?
Standard prototype modifications require 2 to 3 weeks for engineering, fabrication, and mandatory 72-hour burn-in testing. Volume OEM runs typically dispatch within 4 to 5 weeks. Ocean freight shipments are routed directly from Shenzhen/Guangzhou to the Port of Rijeka or Port of Split, with inland bonded trucking directly to your facility in Zadar or Gaženica (transit time approximately 28–35 days). Urgent replacement power modules or bench supplies can be dispatched via DHL/FedEx/UPS air cargo arriving at Zadar Airport (ZAD) or Zagreb Airport (ZAG) within 5 to 7 business days. We support FOB, CIF, EXW, and full DDP (Delivered Duty Paid) terms with Croatian customs clearance handled by our forwarders.
Can Fenvix support custom automation protocols like Modbus RTU, Profinet, or analog PLC integration?
Yes. Our programmable controllers come standard with RS485 supporting standard Modbus RTU protocol, enabling plug-and-play integration into Siemens, Schneider, and Omron PLCs common across Croatian factories. We also engineer isolated analog I/O control options (0–5V, 0–10V, 4–20mA standard current loops) for remote current/voltage setpoint programming, output status monitoring, fault relays, and external safety emergency-stop interlocking.
What is your minimum order quantity (MOQ) and warranty policy for Croatian buyers?
We maintain an absolute Zero MOQ policy: we welcome single-unit prototype orders for R&D trials, pilot plants, and custom replacement retrofits, alongside multi-unit production batches for machine manufacturers. All Fenvix products come with a standard 12 to 24-month factory warranty. In the event of a field fault, our engineering team provides video diagnostic support and dispatches modular replacement sub-assemblies (such as driver boards, IGBT packs, or digital control modules) by expedited air freight to ensure zero prolonged downtime.
Architecting High-Reliability Power Systems for Zadar
Whether you require a 15,000A water-cooled plating rectifier for a shipyard refit, a 400Hz frequency converter for Zadar Airport hangars, or an automated polarity-reversing descaling power supply for coastal fish processing, our senior electrical engineering group is ready to assist with sizing, schematic validation, and rapid quotes.
Get Catalog