Top Trusted AC/DC Converter Manufacturer & Factories

Pioneering High-Efficiency Power Supplies & Custom Industrial Solutions Globally. Engineered for Mission-Critical Reliability and Strict Compliance.

Premium AC/DC Converter & Inverter Solutions

Explore our high-performance models engineered for industrial automation, security backup, and clean energy conversion.

UPS Charging Function PSC-150
UPS Charging Function PSC-150 12V DC Emergency Power Supply Monitored Battery-Backup for Security System
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MDR 100W Switching Power Supply
MDR 100W Switching Power Supply MDR Series AC to DC Power 100W 24V SMPS DIN RAIL
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NVVV D-180B 180W 24V SMPS
NVVV D-180B 180W 24V SMPS DC Power Supply 5V 24v DUAL Output DC Switching Power Supply
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500w Pure Sine Wave Inverter
500w 12V/24V/48V DC/AC Pure Sine Wave Inverters Output 110V/220V Pure Sine Wave Inverter
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NVVV LS-200W-24V Led Driver
NVVV LS-200W-24V Input 200~240Vac Led Driver Output SMPS Switching Power Supply 24VDC LED Driver for LED Lights
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NVVV T-60B Industrial Power Supply
NVVV T-60B Industrial Power Supply 60W 5V 12V DC SMPS with Three Groups of Output
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MDR-60-12 Switching Power Supply
MDR-60-12 Switching Power Supply Output 60W 12V Ultra Slim Power Supply
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1500W Solar Inverter Charger
1500W DC 12V 24V 48V DC to AC Pure Sine Wave Solar Inverter Solar Charger and AC Battery Charger, Hybrid Solar Inverter
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NVVV Electric Technology: A Decade of Engineering Excellence

Delivering high-reliability switching and DIN rail power solutions from the heart of China’s advanced electrical manufacturing base.

NVVV Electric Technology Co., Ltd. is a professional manufacturer specializing in the research, development, production, and sales of DIN rail power supplies and switching power supplies. Located in the vibrant industrial hub of Wenzhou, Zhejiang Province, China, our company has been serving global customers with reliable power solutions for over a decade.

With a registered capital of USD 1.4 million and annual export revenue exceeding USD 1.27 million, we have demonstrated consistent growth and financial stability. Our modern manufacturing facility covers 2,644 square meters and features 5 automated production lines equipped with 46 advanced manufacturing machines. We maintain a team of 50 dedicated employees, including 7 experienced R&D engineers who drive our innovation forward.

Innovation is at the core of our business. We release approximately 120 new products annually, ensuring our customers always have access to the latest power supply technologies. Our product range encompasses DIN rail power supplies, enclosed switching power supplies, waterproof power supplies, UPS systems, triple output power supplies, dual output power supplies, LED drivers, and pure sine wave inverters.

2,644㎡
Modern Facility
98.6%
On-Time Delivery
31%
Reorder Rate
120+
New Models / Year

Custom Enterprise Power Solutions

Engineered to power major industries with continuous efficiency, strict regulatory standards, and high reliability.

Industrial Automation & DIN Rail

Designed for control cabinets, PLC applications, and robotics systems. Our MDR DIN rail series feature ultra-slim profiles, low ripple noise, and high efficiency to save cabinet space and minimize thermal output.

Smart LED Signage & Commercial Lighting

Waterproof LED drivers (like the LPV-100W-24V) provide stable constant voltage/current in extreme environments. Ideal for architectural, outdoor displays, and high-bay lighting with active power factor correction (PFC).

Hybrid Solar Power & Microgrids

Our pure sine wave solar inverters (ranging from 500W to 5000W) integrate high-performance MPPT controllers and battery chargers, ensuring clean, continuous conversion for critical remote and off-grid facilities.

Technology Roadmap & Future Outlook

Developing next-generation switching topologies for high-density, eco-efficient power conversion.

Phase 1: Present

Wide Bandgap Integration (SiC & GaN)

Our R&D efforts focus on integrating Silicon Carbide (SiC) and Gallium Nitride (GaN) transistors. This transition enables switching frequencies up to 500kHz, allowing for 30% smaller transformer sizes and overall efficiency gains up to 96%.

Phase 2: 2025+

Digital Power & Communication Protocols

Developing PMBus and CAN bus communications interfaces for our DIN Rail and industrial switching supplies. This allows systems integrators to monitor real-time temperature, voltage, current, and MTBF predictions dynamically.

Phase 3: 2026+

Eco-Design & Net Zero Target

Refining topologies to meet strict standby power laws (ErP Lot 6 / Green Energy guidelines), reducing passive no-load loss to under 0.15W across all models and increasing the use of recyclable composite casings.

China Factory 4.0: Precision Production & Supply Chain Resilience

Our 2,644㎡ advanced facility in Wenzhou uses automated production and strict quality control for high yields and on-time delivery.

Quality is never compromised. We have obtained CE, FCC, CCC, UKCA, BIS, and multiple other international certifications. Our products undergo rigorous testing at every stage of production, from raw material inspection to final product testing. We are proud to maintain a 98.6% on-time delivery rate and a 31% reorder rate, reflecting our customers' trust and satisfaction.

We serve customers across North America (20%), Eastern Europe (15%), East Asia (10%), the Middle East (6%), and many other regions. We offer comprehensive customization services including sample processing, graphic customization, logo printing, and full OEM/ODM solutions.

Our Production Pipeline

Step-by-step visual map of our precision assembly process.

Local Support & Global Compliance Safeguards

Ensuring your systems meet local safety, efficiency, and EMC parameters worldwide.

EMI/EMC Compliance

All switching power supplies are fully certified under CE, FCC, and CCC standards to reduce electrical interference, keeping your systems running without causing noise on sensitive control lines.

Severe Environment Protections

Equipped with built-in OVP (Over Voltage Protection), OCP (Over Current Protection), OTP (Over Temperature Protection), and short-circuit auto-recovery, ensuring safe operations in hot, cold, or unstable environments.

Strict Quality Verification

Our raw materials, semi-finished components, wave soldering pipelines, and final assembly pass strict QC audits, including a 100% full-load burn-in aging process before packaging.

Global Enterprise Sourcing & Customization Capabilities

Custom OEM/ODM manufacturing processes tailored for high-volume distributors and industrial OEMs.

The NVVV OEM/ODM Process

For custom voltages, outdoor IP67 chassis dimensions, unique connector terminals, and logo printing, NVVV offers a streamlined engineering flow:

  • 1. Request Review: Evaluate electrical input/output parameters, thermal limits, and target certifications.
  • 2. CAD & Circuit Prototyping: Design schematics and PCB trace layouts within 7 days.
  • 3. Validation Testing: Sample builds undergo thermal chamber cycles and load-stability tests.
  • 4. Mass SMT & Assembly: 5 automated lines scale production quickly, matching our 98.6% on-time delivery rate.

Supply Chain Management

Purchasing directly from NVVV in Wenzhou eliminates middleman costs and gives you direct access to the manufacturing team. Our close partnerships with top component vendors ensure stable raw material access, cushioning against international supply shocks.

This allows us to maintain consistent pricing, short lead times, and steady support for major multi-year industrial projects.

Frequently Asked Questions (FAQ)

Answers to key technical questions from engineering buyers and project leads.

1. What certifications do NVVV power supplies carry for global markets?
Our power supplies are certified under CE, FCC, CCC, UKCA, and BIS. We build and test to EMC standards, ensuring our products comply with safety and interference regulations across North America, Europe, Asia, and the Middle East.
2. How does the UPS charging backup function operate in the PSC-150?
The PSC-150 splits output to power your primary 12V/24V equipment while charging a backup battery. If utility AC power goes down, the system switches instantly to battery power, preventing downtime.
3. What is the typical lead time for custom OEM/ODM orders?
Standard product samples ship within 3-7 days. Custom OEM/ODM designs take 2-4 weeks to prototype, depending on specific electrical modifications and regional compliance requirements. Mass production begins quickly after prototype approval.
4. How do you guarantee the reliability and MTBF of your switching power supplies?
Every unit passes multiple inspection stages: raw material checks, post-wave soldering diagnostics, and a 100% full-load burn-in aging test. Our strict production process helps us achieve a low failure rate and a 31% customer reorder rate.
5. Can your DIN Rail power supplies run under wide temperature fluctuations?
Yes, our DIN rail series are rated to operate from -20°C to +60°C. With thermal derating at high temperatures, their open convection design ensures stable performance in control cabinets without needing extra cooling fans.

Advanced Inverters & Heavy-Duty Power Converters

Explore our high-wattage pure sine wave inverters, multi-output switching supplies, and waterproof drivers.

5000W Pure Sine Wave Solar Inverter
5000W DC to AC 12V 24V 48V Pure Sine Wave Solar Inverter MPPT Solar Charger and AC Battery Charger, Hybrid Solar Inverter
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NVVV 120w Dual Output
NVVV 120w 5v 24v D-120B Power Supply Double Output Switch Power Supply
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NVVV 200W Rain Power Supply
NVVV Single Output 200W 12V RPS-200-12 Rain Power Supply 12V Switching Power Supply For Industrial
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LPV-100w-24v Waterproof
LPV-100w-24v Waterproof AC to DC 24V Power Supply 100W 4A LED Driver Switching Power Supply
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3000W Hybrid Solar Inverter
3000W DC to AC 12V 24V 48V Pure Sine Wave Solar Inverter MPPT Solar Charger and AC Battery Charger, Hybrid Solar Inverter
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12V 150W LRS-150-12
12V 150W LRS-150-12 DC Switching Power Supply LED Power Supply
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Multiple T Series 60W 15V
Multiple T Series 60W 15V DC Power Supply 60W Three Output Switching Power Supply
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NVVV D-180C Power Supply
NVVV Power Supply Unit D-180C Industrial Power Supply DUAL Output Switch Power Supply
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