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Product Category

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12V 3A 36W Power Adapter – AC/DC Charger for LED Monitor/3D Printer/Industrial Equipment Wholesale

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hight Quality and Durable

Customizable

Free Sample

Considerate Service

Technical Specifications

Model WJW-PA12V3A
Input 100-240V, 50/60Hz, 0.8A
Output 12V 3A Max
Total Power 36W Max
Output Connector DC 5.5×2.1mm / USB-C / Micro USB (by model)
Plug EU / UK / US / AU (per target market)
Protection OVP / OCP / OTP / SCP
Size 75*49*44MM
Net Weight 157g
Color White, Black
Certifications CE / RoHS / FCC
MOQ
Lead Time
Packing

Product Description - Chargers & Power Adapters

This 12V 3A Power Adapter delivers up to 36W for compatible LED monitors, 3D printer accessories, industrial controllers, lighting equipment, security systems, and other 12V devices. Its higher-power AC/DC design is intended for equipment that requires stable continuous operation under loads of up to 3A. OEM/ODM customization covers regional AC plugs, DC connector dimensions, connector polarity, cable length, wire gauge, housing design, logo printing, labels, and packaging. Quality inspections can include rated-load and aging tests, output-voltage stability, temperature rise, insulation, cable continuity, and connector-fit verification. The connected equipment must match the adapter’s 12V output, power rating, plug size, and polarity.

Engineered for Reliable Performance

Built with industrial-grade components and comprehensive safety features — designed for 24/7 operation in demanding environments.

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Stable 5V 2A Output

Precision switching regulation delivers clean, consistent power with less than 1% ripple — ideal for sensitive electronics.

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6-Layer Safety

Over-voltage, over-current, over-temperature, short-circuit, surge, and overload protection — full-spectrum safety.

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Global Voltage

100–240V AC universal input with 50/60Hz auto-detection. Works seamlessly in every country worldwide.

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Fire-Retardant PC

V-0 grade fire-resistant housing meets UL94 standards. Built to prevent ignition and self-extinguish safely.

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High Efficiency

Up to 89% energy efficiency reduces waste heat and lowers operating costs for 24/7 deployments.

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Certified Quality

CE, RoHS, FCC standard. UL, PSE, SAA, CCC, KC certifications available upon request for target markets.

SAFETY FIRST

6-Layer Comprehensive Protection

Every adapter is engineered with multiple overlapping safety systems to protect both your devices and end users.

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Over-Voltage Protection

Automatically cuts off when output exceeds rated voltage by 15–20%, preventing damage to sensitive device components.

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Over-Current Protection

Current limiting at 130% of rated output prevents overload damage to both the charger and connected devices.

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Over-Temperature Protection

NTC thermal sensors monitor internal temperature and dynamically throttle output before reaching unsafe levels.

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Short-Circuit Protection

Instant auto-recovery short-circuit protection — safe for accidental shorts, no fuse replacement needed.

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Surge Protection

Built-in surge suppression absorbs voltage spikes from lightning and grid fluctuations, safeguarding equipment.

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Overload Protection

Smart power management detects sustained overload conditions and shuts down to prevent overheating and failure.

100% Full-Load Aging Test · 4-Hour Burn-In Per Unit

APPLICATIONS

Built for Industrial & Commercial Use

Designed to power a wide range of low-voltage devices across residential, commercial, and industrial environments.

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CCTV / IP Camera

Security Systems

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WiFi Router

Networking

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LED Strips

Lighting

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Speakers / Audio

Audio Devices

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Arduino / Pi

DIY Projects

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LCD / Displays

Digital Signage

Also suitable for: Set-top boxes · IP cameras · Smart home hubs · Toys · Small appliances · Instrumentation · And more

FULL POWER RANGE

One Supplier, Every Wattage

From 5W to 100W — we manufacture the full range so you can consolidate sourcing and simplify qualification.

5W 10W 18W 25W 45W 65W 100W
Low Power (5–12W) Medium Power (18–45W) High Power (65–100W)
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Wall Chargers

5W–100W · USB-A / USB-C

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GaN Chargers

30W–100W · Compact size

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Power Adapters

5W–100W · DC barrel / plug

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Car / Wireless

12–24V · Qi wireless · Multi-port

MANUFACTURING EXCELLENCE

Built on 16+ Years of Power Expertise

From prototype to mass production, every charger goes through rigorous engineering validation and 100% quality testing. Our automated SMT lines and aging test chambers ensure consistent quality at scale.

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500K+ Units/mo

Production capacity

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500+ Clients

Global B2B partners

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100% Aging Test

Full load 4-hour burn-in

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Engineering Support

Prototype in 2–3 weeks

Discuss Your Project →

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Customize to Your Exact Specs

From electrical parameters to branding — tailor every detail for your market and brand.

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Electrical Custom

Custom voltage, current, power output, connector type, and cable length to match your device specs.

Engineering support included

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Logo & Branding

Silk screen, laser engraving, or pad printing on housing. Custom packaging with full-color artwork.

MOQ: 1,000 pcs (logo)

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Housing & Color

White or black standard. Custom Pantone housing color, matte or glossy finish, custom enclosure design.

MOQ: 1000 pcs (custom color)

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Certification Assist

We handle CE, RoHS, FCC standard. Assist with UL, PSE, SAA, CCC, KC certification for target markets.

Certification cost sharing

Related products

Ready to Start Your Charger Project?

✓ 24h Response Time

✓ Free Consultation

✓ Sample Support

✓ Low MOQ Available

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