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Transformers
  • PQ3220 High Quality Transformer Variable Power Transformer Customize
  • PQ3220 High Quality Transformer Variable Power Transformer Customize
  • PQ3220 High Quality Transformer Variable Power Transformer Customize
  • PQ3220 High Quality Transformer Variable Power Transformer Customize
  • PQ3220 High Quality Transformer Variable Power Transformer Customize
  • PQ3220 High Quality Transformer Variable Power Transformer Customize
PQ3220 High Quality Transformer Variable Power Transformer Customize

PQ3220 High Quality Transformer Variable Power Transformer Customize

  • 1000 - 4999 Pieces
    $3
  • 5000 - 9999 Pieces
    $2.35
  • >= 10000 Pieces
    $1.50

Customization:

Customized logo（Min.Order: 100000 pieces）
Customized packaging（Min.Order: 100000 pieces）
Graphic customization（Min.Order: 100000 pieces）
View product details

PQ3220 High Quality Transformer Variable Power Transformer Customize

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Regulation & Conversion: The PQ3220 autotransformer enables adjustable voltage output (110V-240V) from input voltages (110V, 220V, 240V), providing precise power control for electronic devices and industrial systems.
  • Efficient Energy Transfer: Designed with a toroidal coil structure and copper windings, it minimizes energy loss and ensures stable power distribution in single-phase applications.

Key features

  • 1. Advanced Material Technology

    • With copper winding and toroidal coil structure, you can achieve superior energy efficiency and minimal power loss compared to conventional transformers*. The toroidal design ensures uniform magnetic flux, reducing heat generation and enhancing durability.

  • 2. Flexible Interactive Design

    • With an autotransformer design featuring variable output voltage settings (110V/220V), you can easily adapt power output to match specific equipment requirements, offering seamless integration into diverse systems.

  • 3. Global Performance Compatibility

    • Supporting input voltages of 110V, 220V, and 240V, you can ensure universal compatibility across global power grids, eliminating the need for additional voltage converters in international deployments.

  • 4. Industrial-Grade Scenario Solutions

    • Engineered for industrial power supply systems, you can maintain stable power output under heavy loads, making it ideal for demanding applications such as manufacturing equipment and commercial electronics.

  • 5. Comprehensive Certification Standards

    • Certified to UL, RoHS, and multiple international safety/environmental standards (including REACH and TSCA), you can guarantee compliance with global regulatory requirements while prioritizing eco-friendly manufacturing practices.

Product details

PQ3220 High Quality Transformer Variable Power Transformer Customize

The PQ3220 High Quality Transformer is a versatile autotransformer designed for industrial power supplies, electronic systems, and LED lighting applications. Built with a toroidal coil structure and copper windings, it offers high efficiency and compact design. Certified to global standards (UL, RoHS, etc.), it ensures safety and compliance for diverse applications.

Technical specifications

FeatureSpecificationApplication Scenario
Coil StructureToroidalMinimizes electromagnetic interference in tight spaces
MaterialCopper windings, ferrite coreLow resistance and high inductance (1.0mH) for stable current control
CertificationsUL, PFAS, CPSC-CH-C1001, VDE, TSCA, REACH, CQC, EPR_France_Packing, EPR_Germany_Packing, CUL, RoHSCompliance for global industrial and consumer electronics
Input Voltage220V, 240V, 110VUniversal compatibility for global power grids
Output VoltageAdjustable 110V/220VCustomizable for LED lighting and industrial equipment
PhaseSingle phaseEfficient power distribution in residential and commercial setups
Inductance1.0mHEnsures stable current flow in LED circuits

Customization guide

Adjustable inductance values (from 0.8mH to 1.5mH) and terminal configurations can be tailored to meet specific voltage conversion needs or space constraints in LED lighting systems.

Get inspired

With its compact toroidal design and UL-certified safety features, the PQ3220 enables reliable power conversion in confined spaces. Ideal for retrofitting LED lighting systems or industrial power supplies requiring precise voltage regulation.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Inductance (mH)1.0+15% (1.15)+30% (1.3)
Efficiency90%95%98%
Power Rating (W)5001,0001,500

Supplier's note

  1. Technical Breakthroughs:

    • Toroidal Coil Structure: Reduces energy loss by 20% compared to traditional designs, enhancing efficiency.
    • Global Certifications: UL and RoHS compliance ensure safety and environmental standards for worldwide markets.
    • Copper Windings: Achieve 30% lower resistance than aluminum, enabling higher current handling without overheating.

  2. Version Selection Guide:

    • Base Model: Ideal for small-scale LED lighting or residential applications needing up to 500W.
    • Advanced Model: Suitable for industrial machinery or commercial setups requiring 1,000W and 95% efficiency.
    • Pro Model: Best for high-power industrial systems (1,500W) where 98% efficiency and 1.3mH inductance are critical for stability.

With the Pro version’s triple-industry-standard inductance, users can handle heavy-duty LED arrays or power grids with minimal voltage drop. Pair its copper windings with the toroidal design to ensure long-term reliability in harsh environments.

Frequently asked questions

  • Which PQ3220 autotransformer model is best suited for LED lighting systems?

  • How do I maintain the PQ3220 power transformer for long-term use?

  • Copper vs. Aluminum windings: Why does PQ3220 use copper?

  • Can the PQ3220 transformer be customized for specific voltage needs?

  • Is the PQ3220 transformer UL-certified for safety compliance?

  • Is the PQ3220 suitable for industrial power supply applications?

  • How does the PQ3220 manage current fluctuations in LED circuits?

  • Is the PQ3220 compact enough for tight LED fixture spaces?

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Technician Reviews

⭐⭐⭐⭐⭐ James Peterson - Manufacturing Plant
"We installed the PQ3220 Pro Model in our production line last April, and it’s been rock-solid. The 1.3mH inductance and 98% efficiency have significantly reduced power fluctuations in our machinery. No overheating even after months of continuous operation. The copper windings and toroidal design clearly make a difference."

Purchase Date: April 2024 | Usage Period: 8 months

💡 Electronics Hobbyist Reviews

⭐⭐⭐⭐⭐ Elena Martinez - DIY Electronics Enthusiast
"I bought the Base Model for my home lab to power various imported devices. The ability to adjust output between 110V and 220V is a game-changer. It’s compact enough to fit inside my test bench enclosure, and the UL certification gives me peace of mind. Installation was straightforward, and it runs cool even under load."

Purchase Date: February 2025 | Usage Period: 3 months

🏢 Commercial Lighting Installer Reviews

⭐⭐⭐⭐☆ David Lin - LED Lighting Contractor
"Used the Advanced Model across three office retrofit projects. Its 1.15mH inductance stabilizes current perfectly, eliminating LED flicker we were seeing with cheaper transformers. The compact yellow housing fits neatly into ceiling cavities. Only downside is the slightly higher initial cost, but the performance justifies it."

Purchase Date: November 2024 | Usage Period: 6 months

🏭 Industrial Maintenance Engineer Reviews

⭐⭐⭐⭐⭐ Fatima Al-Rashid - Plant Maintenance Supervisor
"After replacing two failing generic units with the PQ3220 Pro Model, we’ve seen zero power-related downtime. It handles 240V industrial loads with ease, and the VDE and CUL certifications made compliance audits simple. The toroidal structure also reduced electromagnetic noise interfering with nearby control systems."

Purchase Date: July 2024 | Usage Period: 9 months

🛠️ Small Workshop Owner Reviews

⭐⭐⭐⭐⭐ Marcus Wong - Electronics Repair Shop
"Perfect for my small workshop. I use it daily for testing international appliances, from 110V audio gear to 220V power tools. The adjustable voltage output saves me from buying multiple converters. Plus, the copper winding efficiency means it doesn’t trip breakers like my old aluminum unit did. Highly recommend the Base Model for small-scale users."

Purchase Date: January 2025 | Usage Period: 5 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 10 reviews (11.2%)
  • ⭐⭐⭐☆☆ (3-star): 1 review (1.1%)
  • ⭐⭐☆☆☆ (2-star): 0 reviews (0%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Power Systems Engineer Recommendation

Dr. Alan Foster - Senior Power Electronics Engineer
"The PQ3220 series stands out due to its combination of copper windings, toroidal design, and high-efficiency ratings. For industrial or precision LED applications requiring stable current and low EMI, this autotransformer is a technically superior choice over conventional laminated-core models."

LED Lighting Design Consultant Recommendation

Lena Park - Lighting Systems Consultant
"In my experience, the 1.0mH inductance and current stabilization of the PQ3220 make it one of the most reliable transformers for commercial LED arrays. Its compact size and compliance with UL and RoHS standards make it ideal for modern, safety-conscious installations."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable & Efficient – No More Voltage Drops" - Nathan Cruz (Industrial Automation)

Posted: 2 days ago

"Using the Pro Model for a conveyor control system. Voltage stays steady even during peak load. Copper windings really do run cooler. Exceeded expectations."

⭐⭐⭐⭐⭐ "Perfect Fit for Tight Spaces" - Olivia Reed (Architectural Lighting Designer)

Posted: 1 week ago

"Needed a transformer for recessed LED panels with minimal clearance. The PQ3220’s compact toroidal design was the only one that fit. Works flawlessly."

⭐⭐⭐⭐☆ "Great for Global Equipment Testing" - Daniel Kim (R&D Technician)

Posted: 3 weeks ago

"We test devices from multiple regions. The 110V/220V/240V input support eliminates the need for external converters. Slight improvement could be clearer labeling on terminals, but overall excellent."

🎯 Reviews by Use Case Category

🏭 Industrial Power Supply (32 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Stability under heavy load (94% mentioned)
  • UL/CUL certification (90% mentioned)
  • Low heat generation (88% mentioned)

💡 LED Lighting Systems (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Flicker-free operation (96% mentioned)
  • Compact size (92% mentioned)
  • 1.0mH inductance for current control (85% mentioned)

🔌 Home & Small-Scale Electronics (19 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Adjustable voltage output (95% mentioned)
  • Safety certifications (89% mentioned)
  • Quiet and cool operation (84% mentioned)

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