Featured Industrial Power Converters & Inverters
Explore our flagship series of step-up, step-down, isolated DC-DC modules, and DC-AC pure sine wave units. Designed for telecommunications, renewable solar nodes, material handling, and automotive power electronics.
High Efficiency 1440W 36V to 48V 30A Boost DC-DC Converter
- Input Voltage: 36V Nominal (30-40VDC)
- Output Power: 48VDC / 30A (1440W Peak)
- Conversion Efficiency: ≥95.5% Synchronous
- Enclosure: Die-Cast Aluminum IP67
Isolated 72V 60V 48V to 24V DC-DC Step Down Buck Converter
- Input Range: 30V–90V Wide DC Range
- Output Voltage: 24VDC Constant Voltage
- Dielectric Isolation: 1500VDC Input-to-Output
- Cooling: Convection Solid-State Potted
9-32VDC to 12VDC 12A 144W Step Up/Down Buck-Boost Converter
- Input Span: 9–32V Ultra-Wide Dynamic
- Stabilized Output: 12VDC ±1.5% @ 12A
- Protection: OVP, OCP, OTP, Reverse Polarity
- Application: Automotive & Marine Fleets
600W to 5000W Pure Sine Wave DC to AC Industrial Inverter
- DC Input Rails: 12V / 24V / 48VDC Available
- AC Output Options: 110V / 220V / 240VAC ±3%
- Waveform Quality: THD < 3% Clean Wave
- Surge Capacity: 200% Instant Peak Power
Micro Step-Down USB Waterproof IP67 24V to 12V 3A Module
- Input Range: 18V–35VDC Industrial Bus
- Regulated Output: 12V / 3A (36W Full Load)
- Form Factor: Micro Sealed Enclosure
- Protection Rating: True IP67 Submersible
Single Phase to 3-Phase Rotary Frequency & Power Converter
- Input Grid: Single Phase 110V / 220VAC
- Output Generation: 3-Phase 220V / 380VAC 50/60Hz
- Harmonic Distortion: Clean Sine Balanced Output
- Target Duty: CNC Machinery, Pumps, Motors
High Voltage Buck Regulator 84V to 12V 15A 180W Converter
- Input Capability: 60V–95V High Voltage Battery
- Output Step-Down: 12VDC Steady @ 15A
- Potting Compound: Thermally Conductive Epoxy
- Application: Electric Forklifts, AGVs, EVs
DC 40-135V to 12V 10A 120W Isolated Aluminum Converter
- Ultra-Wide DC Input: 40V to 135VDC Rail Span
- Output Regulation: 12VDC ±1.0% @ 10A
- Chassis Design: Finned Extruded Aluminum IP68
- Industrial Grade: Railway & Utility Substation
Direct-Factory Production Built on Rigorous Quality Engineering
Founded in 2003 in Guangdong, China, Varnix Technology Co., Ltd. has evolved into an authoritative leader in high-reliability power conversion electronics. Operating out of an SGS-audited 1,229 m² manufacturing center with over 58 verified technical personnel, we specialize in high-efficiency DC-DC step-down/boost regulators, telecom-grade rackmount inverters, pure sine wave power systems, and battery charging infrastructure.
Unlike commercial-grade assemblers, our engineering methodology integrates incoming component qualification against Approved Vendor Lists (AVL), Japanese solid-state electrolytic capacitors, high-frequency planar magnetics, and automated thermal epoxy encapsulation. Every batch conforms to strict ISO 9001:2015 standards, ensuring zero-defect deployment across aerospace ground networks, telecommunication towers, municipal water conservation projects, and mission-critical solar hubs.
Precision Manufacturing Floor
100% Full-Load Aging Racks
Waveform & THD Inspection
Export Cushion Packaging
End-to-End Quality Validation
Every converter undergoes multi-stage verification: Incoming Material Inspection (IQC), In-Process Wave Soldering & Surface Mounting (IPQC), 4-to-8 Hour 100% Full-Load High-Temperature Burn-In Screening, and Hi-Pot Dielectric Isolation Testing up to 1500VDC to prevent field infant mortality.
Custom OEM/ODM Engineering
From custom wide-range DC inputs (such as 40V-135V railway lines or 12/24V to 30V/57V Starlink terminal modules) to private housing anodization, IP68 hermetic vacuum potting, and proprietary CAN/RS485 telemetry protocols, our R&D engineering unit executes bespoke industrial builds within 3-4 weeks.
Rapid Global Logistics & US Warehouse
We eliminate extended supply chain lead times through multi-modal shipping agreements (FOB, CIF, DDP, Air Express) alongside dedicated inventory stocked in our United States overseas logistics center, allowing rapid domestic courier distribution to tier-one North American equipment builders.
Technological Paradigms Shaping High-Power Electronics
As telecommunications transition to 5G massive MIMO, industrial automation scales mobile robotics (AGVs/AMRs), and off-grid renewable infrastructure surges, power conversion hardware faces unprecedented thermodynamic and electrical demands.
Wide Bandgap GaN & SiC Topologies
The substitution of legacy silicon MOSFETs with Gallium Nitride (GaN) and Silicon Carbide (SiC) semiconductors allows switching frequencies exceeding 200kHz to 500kHz. This drastically shrinks passive magnetic volume, reduces gate-charge losses, and propels power conversion efficiencies above 96.5%, dramatically curbing cabinet thermal generation.
Planar Magnetics & Ultra-Dense Layouts
Traditional wire-wound copper transformers are rapidly being replaced by multi-layer PCB planar transformers. Planar architecture guarantees near-perfect repeatability in leakage inductance, provides superior surface-area-to-volume thermal conduction, and enables flat low-profile chassis formats mandatory for 1U/2U server rack integrations.
Digital Control Loops & Telemetry
Analog PWM controllers are ceding ground to high-speed Digital Signal Processors (DSP) executing non-linear adaptive loop controls. Embedded microcontrollers facilitate real-time telemetry over PMBus, CANbus, and Modbus interfaces, transmitting precise output current, thermal junctions, and predictive MTBF telemetry to central SCADA systems.
Hermetic IP67/IP68 Ruggedization
Industrial DC-DC units are migrating away from ventilated fan enclosures toward solid-state potting using thermally conductive, flame-retardant (UL94 V-0) silicone epoxy. Encapsulated die-cast aluminum alloys protect internal silicon from sulfur corrosion, conductive salt fog, high humidity, and severe vibration shock in heavy machinery.
Future Procurement Trends for Global B2B Equipment Buyers
Analyzing regulatory compliance, Total Cost of Ownership (TCO), and supply chain continuity for industrial OEMs, engineering contractors, and wholesale electronics distributors.
Mandatory Regulatory Traceability
Procurement teams are tightening supplier audits to ensure non-negotiable compliance with the EU Low Voltage Directive (LVD 2014/35/EU), Electromagnetic Compatibility Directive (EMC 2014/30/EU), and RoHS 3 (EU 2015/863). Buying from accredited manufacturers with authentic test reports issued by internationally recognized laboratories (SGS, TUV) mitigates border detention risks and non-compliance fines.
Evaluating Lifecycle Efficiency vs. Unit Cost
Modern electrical engineers prioritize conversion efficiency over marginal purchase price savings. A converter operating at 95% efficiency versus a budget 85% alternative saves thousands of kilowatt-hours in continuous duty cycles, reduces required cooling infrastructure, minimizes warranty claims, and eliminates field service downtime.
Hybrid Domestic & Factory-Direct Sourcing
To hedge against maritime supply chain volatility, international buyers increasingly favor manufacturers that support a dual-hub model: regular ocean container shipments direct from the manufacturing plant for base-demand cost efficiency, complemented by rapid-replenishment local warehousing (such as our US stock) for critical JIT inventory.
Selection Guide: Industrial Power Converters vs. Application Profiles
Cross-reference voltage rails, galvanic isolation requirements, and environmental ratings to select the optimal power electronics architecture.
| Converter Category | Typical Input / Output Rails | Isolation Rating | Thermal / IP Protection | Target Applications & Environments |
|---|---|---|---|---|
| High-Power Boost (Step-Up) | 36VDC / 48VDC Nominal (Up to 1440W) | Non-Isolated Common Ground | IP67 Sealed, Extruded Heatsink | Electric golf carts, telecom DC backup, solar voltage stepping |
| Wide-Range Isolated Buck | 30V–90VDC In / 24VDC Out @ 10A–30A | 1500VDC Galvanic Barrier | IP68 Potted, -40°C to +85°C | Heavy industrial automation, SCADA systems, mining equipment |
| Universal Buck-Boost Regulators | 9V–32VDC Dynamic / 12VDC Steady 12A | Non-Isolated Synchronous | Anodized Aluminum IP67 | Commercial vehicle fleets, marine electronics, engine cranking zones |
| Pure Sine Wave AC Inverters | 12V/24V/48VDC In / 110V/220VAC Out | Complete Magnetic Isolation | Smart Fan Cooling, Over-Temp Cutoff | Off-grid solar homes, emergency medical stations, mobile field labs |
| High-Voltage Rail Converters | 40V–135VDC Rail / 12VDC Out @ 10A | 2000VDC Enhanced Isolation | IP68 Hermetic Potting, Anti-Vibe | Railway transit, high-voltage battery storage, AGV drive systems |
| Rotary Phase Converters | 110V/220V 1-Phase In / 220V/380V 3-Phase | Magnetic Rotary Rotor System | Forced Air Ventilated, Heavy Duty | Operating 3-phase milling, CNC lathes, and pumps on single-phase grids |
Frequently Asked Questions by Overseas Sourcing Engineers
Answers to common technical, compliance, commercial, and engineering questions regarding our manufacturing processes and international export terms.
Are your converters certified for importation into European and North American markets?
What is the difference between isolated and non-isolated DC-DC converters, and when should each be specified?
How does your factory prevent premature thermal degradation and early field failures?
Can your engineering team tailor voltage set points, current thresholds, or custom enclosures?
What are your standard commercial terms, Minimum Order Quantities (MOQ), and lead times?
What warranty and post-purchase engineering support do you provide to overseas importers?
Require Custom Voltage Specifications or Bulk Commercial Quotations?
Connect directly with our senior power supply engineering team. We provide complete technical datasheets, full 3D CAD STEP models, compliance documentation, and project-based pricing within 24 hours.