Galvanic Isolation
Isolated DC-DC 48/60/72/84/96V to 24V 2.5A Converter
- Input Voltage48V–96V DC
- Output Spec24V DC @ 2.5A (60W)
- Dielectric Isolation1500V DC Galvanic
- EnclosureSealed IP67 Die-Cast
Direct OEM/ODM Supply
Precision Power Conversion & DC Regulators for Vilnius Enterprises
Below is our specialized selection of industrial-grade DC-DC converters, off-grid pure sine wave inverters, and high-efficiency step-down voltage regulators engineered to meet CE, RoHS, and EU Low Voltage Directives for Baltic tech deployments.
Pure Sine Wave
300W Pure Sine Wave DC 12V/24V to AC 220V Inverter
- DC Input12V / 24V Auto-Select
- AC Output220V/230V AC ±3% 50Hz
- THD (Distortion)< 3% Linear Load
- Auxiliary PortsHigh-Speed USB-A/Type-C
Off-Grid Power
300W Single-Phase Off-Grid Inverter 12V/24V to 220V
- Nominal Power300W (600W Peak Surge)
- Output Frequency50Hz / 60Hz Switchable
- Cooling MethodIntelligent Thermal Fan
- Safety TopologySoft-Start SPWM
High Current Boost
High-Efficiency 1440W 36V to 48V 30A Boost Converter
- Input Window30V–40V DC (Nominal 36V)
- Regulated Output48V DC Constant Voltage
- Current Rating30A Continuous (1440W)
- Peak EfficiencyUp to 96.5% Synchronous
Micro Step-Down
Micro Step-Down Waterproof IP67 24V to 12V 3A Converter
- Wide Input18V–35V DC
- Regulated Output12V DC @ 3A (36W)
- ProtectionOVP, OCP, OTP & Reverse
- Form FactorEpoxy Potted Ultra-Compact
Heavy-Duty Step Down
Isolated Step-Down DC-DC Converter 48V–90V to 12V 42A
- Input Spectrum48V / 60V / 72V / 90V DC
- Output Profile12V DC @ 42A (500W Max)
- Isolation Rating> 2000V DC Opto-Coupled
- Thermal ControlIntegrated Extruded Heatsink
AC-DC Buck Mod
10–26VAC to 5V 3A/5A AC-DC Buck Voltage Regulator
- AC Input Range10VAC–26VAC (50/60Hz)
- DC Output Profile5.0V DC Constant @ 3A–5A
- Rectifier BridgeBuilt-in Ultra-Fast Recovery
- Ripple & Noise< 15mVp-p Filtered
Dual System Inverter
Portable 300W Pure Sine Inverter 12V/24V/48V to 220V
- Multi-Rail Input12V / 24V / 48V Option
- AC Grid Output220VAC ±2% 50Hz CE Valid
- Housing TechAnodized Aluminum Alloy
- Protection LevelUnder/Over-Voltage, Thermal
Need Custom Voltages or Programmable SCPI DC Power Supplies?
Our direct engineering workshop designs and builds adjustable DC benchtop power supplies (0–30V, 0–60V, 0–300V up to 1,000A) tailored to Baltic laser physics labs, semiconductor test fixtures, and automated production testing.
Engineering Whitepaper: Precision Adjustable DC Power Supply Architectures for Vilnius Industrial & Scientific Clusters
Vilnius has cemented its reputation as the European capital of ultrafast laser development, optoelectronics, deep-tech hardware incubators, and rapid-growth telecommunications infrastructure. In locations ranging from the Sunrise Valley Science and Technology Park (Saulėtekio slėnis) to the Visoriai Information Technology Park, engineering teams require rigorous electrical specifications: sub-millivolt output ripple, low phase jitter, high dielectric isolation, and instantaneous transient response. Standard consumer-grade power supplies fail under the precision testing conditions demanded by femtosecond laser diodes and telecommunication DC busbars.
Linear vs. High-Frequency Switching Topologies
Linear power supplies offer pure DC signals with ultra-low noise (<1mV RMS), making them indispensable for sensitive optical sensors and spectroscopic detectors. However, when driving high-power diode laser stacks or charging battery banks, high-efficiency switching power supplies (SMPS) utilizing full-bridge LLC resonant conversion deliver greater than 94% power efficiency, drastically cutting heat dissipation in compact lab cleanrooms.
Galvanic Ground Loop Decoupling
Industrial testing setups in Vilnius often encounter ground-potential disparities across distributed high-frequency data racks and external industrial 400V 3-phase mains. Our isolated DC-DC converters and adjustable DC power supplies integrate dual-barrier magnetic isolation (>1,500V DC to 3,000V AC), preventing destructive ground loops and EMI crosstalk from corrupting critical sensor arrays.
Technical Specification Matrix for Laboratory & Production Selection
The following engineering data outlines key parameter constraints evaluated by Vilnius-based design engineers when selecting power electronics systems:
| Series Category | Voltage / Current Envelope | Ripple & Noise (20MHz BW) | Dynamic Response Speed | Standard Interface | Target Vilnius Application |
|---|---|---|---|---|---|
| Benchtop CV/CC Linear | 0–30V, 0–5A / 0–60V, 0–3A | < 0.5 mVrms / 2 mVp-p | < 30 µs (50%–100% Load) | RS232 / USB / SCPI | Photonics & Laser R&D |
| High-Power Variable SMPS | 0–150V up to 0–600V (to 1000A) | < 15 mVrms / 50 mVp-p | < 100 µs (Fast Transient) | Modbus-RTU / RS485 / LAN | EV Battery Pack Burn-in |
| Modular Isolated DC-DC | 36V–96V Input, 12V/24V Regulated | < 30 mVp-p Typical | < 50 µs Recovery Time | Direct Solder / Euro Terminal | Industrial Trucks & AGVs |
| Telecom Rack Rectifier | 220VAC Input to -48VDC (10A–120A) | < 2 mV Psophometric Noise | Zero-Transfer Hot-Swap | Dry Contact Alarms / SNMP | Vilnius Datacenters & 5G |
| Step-Up Boost Modules | 12V/24V/36V to 24V/48V High Power | Low Common-Mode Spike | Continuous Synchronous | Sealed Wire Leads (IP67) | Fleet Automation & Robotics |
Transient Response, Slew Rate Optimization, and Thermal Derating in Baltic Climates
When testing fast-switching loads—such as pulsed solid-state lasers or active motor drive electronics—an adjustable DC power supply must exhibit exceptional load regulation (< 0.01% + 2mV) and lightning-fast recovery times (< 50 microseconds). If the feedback control loop is sluggish, sudden current spikes pull the DC busbar voltage below the minimum operating threshold, resetting microcontroller logic.
Furthermore, industrial and outdoor power conversion units operating in Lithuania must endure harsh winter ambient conditions down to -25°C. Varnix utilizes automotive-grade, solid-state electrolytic capacitors and low ESR ceramic arrays with certified cold-start ratings down to -40°C. Coupled with intelligent PWM-driven fans and extruded copper-aluminum heat sinks, our DC supplies provide 100% full continuous power rating across a wide thermal spectrum without premature thermal throttling or nuisance tripping.
Localized Applications
Supporting Lithuania’s Advanced Engineering Sectors
From university research laboratories to state-of-the-art telecommunications and electronics contract assembly plants in Vilnius and Kaunas, our adjustable power systems serve mission-critical roles.
Optoelectronics & Femtosecond Laser R&D
Vilnius is a globally recognized cluster for laser technology. Our low-noise linear and programmable benchtop DC power supplies supply stable, drift-free constant current (CC mode) to sensitive pump diode lasers, optical crystals, and cryogenic chillers requiring sub-millivolt stability.
IoT Hardware & Telematics Prototyping
Fast-growing electronics design houses across Vilnius rely on our multi-channel variable power supplies and step-down DC modules to stress-test connected telematics, asset tracking sensors, and GPS boards across variable 9V–36V battery drop profiles.
Electric Mobility & Warehouse AGVs
Lithuania's booming logistics corridors utilize Automated Guided Vehicles (AGVs) and electric warehouse forklifts operating on 48V, 72V, or 96V batteries. Our isolated DC-DC converters step high battery voltages down to clean 12V/24V for navigational LIDAR, cameras, and PLCs.
5G Telecom & Data Center DC Infrastructure
Vilnius leads the Baltic region in high-speed optical broadband and telecom infrastructure. Our rack-mounted rectifiers, DC-DC buck modules, and pure sine wave inverters safeguard 48VDC communications racks, microwave links, and emergency cell towers during grid drops.
Baltic Industrial Trends: Why Vilnius Engineers Demand Next-Generation Power Supplies
Lithuania is actively spearheading high-value manufacturing transitions in alignment with European Industry 4.0 and green energy directives. A review of industrial procurement patterns in the Vilnius region highlights three decisive technological shifts:
1. Automated Test Equipment (ATE) Integration via SCPI
Manual bench adjusting is being phased out across Vilnius contract manufacturing plants. Engineers now mandate remote programmable communication via SCPI (Standard Commands for Programmable Instruments) over USB, RS485, or Ethernet LAN to run automated stress tests, recording dynamic current draws and logging fault reports in real-time database servers.
2. Strict Compliance with European Harmonized Directives
Importing power electronics into Lithuania demands uncompromising adherence to EU CE certification standards, specifically EN 62368-1 (Audio/video, information and communication technology equipment safety), EN 61204-3 (Low-voltage power supply devices EMC requirements), and RoHS 3 (Directive 2015/863/EU). Non-compliant supplies face swift border confiscation at Klaipėda port or Vilnius customs.
At Varnix, all export models comply with these stringent EU regulatory frameworks. Full Declaration of Conformity (DoC), EMC test reports, and RoHS material breakdown declarations are systematically provided with every industrial shipment destined for Lithuania.
Enterprise Strengths
Why Global & European Importers Partner with Varnix
Founded in 2003, Varnix Technology Co., Ltd. is an ISO 9001:2015 certified original manufacturer. We control every stage of production—from PCB design and surface mounting to 100% full-load thermal burn-in inspection.
Rigorous 5-Stage QC & Burn-In Testing
Every single power supply, inverter, and DC-DC converter passes through incoming raw material screening, PCB assembly inspection, automated function testing, 4 to 12 hours of full-load aging rack burn-in, and final high-voltage dielectric isolation checks before packaging.
Onsite SGS Verification & Full Auditing
Our facility in Guangdong, China, is audited and verified onsite by SGS Group. Buyers can review genuine factory walk-through documentation, valid ISO 9001 registration certificates, and complete trade credit histories with full corporate transparency.
Complete OEM/ODM Customization Capability
Need custom voltage ranges (such as stepping 72V down to 13.8V for communications gear), unique enclosure dimensions, conformal coating for condensation protection, or private labeling with customized firmware protocols? Our engineering team delivers tailored hardware samples promptly.
Seamless Shipping & DDP Terms to Lithuania
We routinely deliver to European buyers via international air express (DHL/FedEx/UPS for urgent lab prototypes within 5-7 business days) and maritime consolidated container freight to Klaipėda port, supported by flexible FOB, CIF, or Delivered Duty Paid (DDP) terms.
CE, RoHS, & FCC Certified Compliance
All series offered to the Baltic marketplace carry comprehensive CE marking under the Low Voltage Directive (LVD) and Electromagnetic Compatibility (EMC) regulations, paired with full RoHS environmental test reports for hassle-free customs clearance and commercial deployment.
24/7 Dedicated Electrical Engineering Support
Our multilingual engineering team coordinates with Lithuanian procurement and technical leads across time zones. We provide detailed schematic reviews, thermal calculations, and real-time troubleshooting, backed by contract-guaranteed quality warranties.
Procurement FAQ
Frequently Asked Questions by Vilnius Engineers & Buyers
Clear, direct answers regarding customs, logistics, technical calibration, EU VAT treatment, and customized DC supply manufacturing.
Can Varnix ship adjustable DC power supplies directly to Vilnius under DDP terms? +
Yes. For industrial companies, laboratories, and universities in Vilnius and across Lithuania, we offer Delivered Duty Paid (DDP) freight arrangements via air express and ocean cargo. Under DDP terms, all European customs tariffs, import clearance procedures, and local logistics handling are fully managed, delivering equipment straight to your laboratory door or manufacturing facility without unexpected customs delays.
How do your power supplies handle the European 230V / 400V 50Hz mains power grid? +
All our AC-input power supplies, inverters, and rectifiers are engineered natively for European single-phase (220V–240V, 50Hz) and three-phase (380V–415V, 50Hz) nominal electrical networks. They incorporate Active Power Factor Correction (PFC > 0.98), minimizing harmonic distortion and ensuring strict compliance with EN 61000-3-2 grid harmonic standards.
Are factory calibration certificates and CE documentation supplied with the order? +
Yes. Every batch dispatched to Lithuania includes factory inspection reports certifying voltage and current calibration accuracy (typically within 0.1% for programmable models). Official EU Declarations of Conformity (CE-LVD and CE-EMC) along with RoHS 3 compliance documentation are issued with the shipping documents for compliance auditing.
Can we request custom SCPI communication protocols or RS485 Modbus addresses? +
Absolutely. Many Vilnius-based tech manufacturers incorporate our adjustable power units into automated lab racks controlled by Python, LabVIEW, or C++ software. We can configure custom baud rates, Modbus-RTU register maps, or SCPI command sets at the firmware level prior to shipment, saving your software team time during integration.
What is the typical lead time for standard catalog vs. OEM customized supplies to Lithuania? +
Standard catalog DC-DC converters and inverters typically dispatch within 3–7 business days. Custom voltage modifications, specialty rack housings, or high-power programmable DC systems require an engineering and production lead time of 2 to 4 weeks, followed by express air transit (typically 5 to 7 days) to Vilnius International Airport (VNO).
What warranty and technical recourse do you offer if an electrical failure occurs? +
All Varnix industrial power supplies include a standard comprehensive 12 to 24-month factory warranty written into the commercial contract. Because we carry out 100% full-load burn-in aging prior to dispatch, our field failure rate remains strictly below 0.3%. In the rare event of a component failure, our technical team assesses the diagnostics remotely within 24 hours, dispatching replacement modules or units via express air courier.
Consult an Applications Engineer for Your Vilnius Project
Contact our electrical engineering team today to review your exact voltage envelopes, current ratings, communication protocols, and delivery schedules for Lithuania.