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SANPU POWER SUPPLY
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    Indoor Power Supply IP20
    • Small Power (15W – 60W)
      • 15W Indoor Power Supply IP20
      • 25W Indoor Power Supply IP20
      • 35W Indoor Power Supply IP20
      • 60W Indoor Power Supply IP20
    • Medium Power (100W – 250W)
      • 100W Indoor Power Supply IP20
      • 150W Indoor Power Supply IP20
      • 200W Indoor Power Supply IP20
      • 250W Indoor Power Supply IP20
    • Large Power (300W – 600W)
      • 300W Indoor Power Supply IP20
      • 350W Indoor Power Supply IP20
      • 400W Indoor Power Supply IP20
      • 600W Indoor Power Supply IP20
    Indoor UT Power Supply IP20
    • Medium Power (60W – 150W)
      • 60W Ultra Thin IP20
      • 100W Ultra Thin IP20
      • 150W Ultra Thin IP20
    • Large Power (250W – 400W)
      • 250W Ultra Thin IP20
      • 350W Ultra Thin IP20
      • 400W Ultra Thin IP20
    Slim Power Supply IP20
    • Small Power(60W – 100W)
      • 60W Slim Power Supply IP20
      • 100W Slim Power Supply IP20
    • Medium Power (150W – 250W)
      • 150W Slim Power Supply IP20
      • 200W Slim Power Supply IP20
      • 250W Slim Power Supply IP20
    • Large Power (300W)
      • 300W Slim Power Supply IP20
    SLB Power Supply IP20
    • Small Power (24W – 60W)
      • 24W Slim L-box Power Supply IP20
      • 36W Slim L-box Power Supply IP20
      • 60W Slim L-box Power Supply IP20
    • Medium Power (100W-150W)
      • 100W Slim L-box Power Supply IP20
      • 150W Slim L-box Power Supply IP20
    Dimmable Power Supply
    • 3in1 Dimmable(60W-200W)
      • 60W 3in1 Dimmable power supply
      • 100W 3in1 Dimmable power supply
      • 200W 3in1 Dimmable power supply
    • CV Dimmable(100W-200W)
      • 100W CV Dimming Driver
      • 150W CV Dimming Driver
      • 200W CV Dimming Driver
    Dustproof Power Supply IP40
    • Small Power (15W – 50W)
      • 15W Plastic case Dustproof Power Supply IP40
      • 25W Plastic case Dustproof Power Supply IP40
      • 35W Plastic case Dustproof Power Supply IP40
      • 50W Plastic case Dustproof Power Supply IP40
    Rainproof Power Supply IP65
    • Large Power(150W-400W)
      • 150W Outdoor Rainproof Power supply
      • 350W Outdoor Rainproof Power supply
      • 400W Outdoor Rainproof Power supply
    Waterproof Power Supply IP67
    • Plastic Case (12W-150W)
      • 12W Plastic case IP67 LED Drive
      • 25W Plastic case IP67 LED Drive
      • 35W Plastic case IP67 LED Drive
      • 60W Plastic case IP67 LED Drive
      • 100W Plastic case IP67 LED Drive
      • 150W Plastic case IP67 LED Drive
    • Slim (60W-300W)
      • 60W Slim IP67 Waterproof Power
      • 100W Slim IP67 Waterproof Power
      • 150W Slim IP67 Waterproof Power
      • 200W Slim IP67 Waterproof Power
      • 250W Slim IP67 Waterproof Power
      • 300W Slim IP67 Waterproof Power
    • Indoor Ultra Thin Power Supply IP20
    • Waterproof Power Supply IP67
    • Indoor Power Supply IP20
    • Dimmable Power Supply
    • Dustproof Power Supply IP40
    • Slim Power Supply IP20
    • Slim Lightingbox Power Supply IP20
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How to

Home - How to

  • Key Engineering Steps in Custom Industrial Power Supply Design for OEM Projects

    Developing non-standard power supply units for specialized Original Equipment Manufacturer (OEM) machinery requires a disciplined engineering process. Unlike off-the-shelf power ...

    SANPU|09/26/2026|How to|
  • Power Supply Ripple and Noise: How to Measure, Read the Limits, and Spec for Reliability

    Ripple and noise is the spec most engineers misread and most scopes mis-measure. A datasheet says "≤50 mVpp"; your bench ...

    SANPU|09/22/2026|How to|
  • IP20 vs IP67 Power Supply: Enclosure Design, Waterproofing and Where Each Belongs

    Two letters after "IP" decide whether a power supply lives five years or fries in one. Yet most specifiers pick ...

    SANPU|09/20/2026|How to|
  • Power Supply Efficiency Ratings Explained: 80 PLUS, DoE Level VI, ERP and What Buyers Need

    "Power supply efficiency" shows up on every datasheet as a single percentage. That number is the most quoted and least ...

    SANPU|09/18/2026|How to|
  • LED Driver Selection: Constant Current vs Constant Voltage, Dimming and IP

    The fastest way to kill an LED installation is to buy the driver by wattage alone. A "250W indoor LED ...

    SANPU|09/16/2026|How to|
  • Custom Power Supply: A Buyer’s Guide to Specs, Certs, MOQ and Lead Time

    Most procurement managers type "custom power supply" into Google expecting a blank canvas. They usually get the opposite. In 14 ...

    SANPU|09/14/2026|How to|
  • Custom Power Supply Design Guide: Key Factors for Space-Constrained Industrial Electronics

    Standard off-the-shelf (COTS) switching power supplies often fail to meet the spatial, thermal, and electrical constraints of specialized industrial equipment. ...

    SANPU|09/02/2026|How to|
  • Top 5 Safety Certifications Required for Commercial LED Drivers

    Top 5 Safety Certifications Required for Commercial LED Drivers

    When procuring power supplies for commercial lighting projects, ensuring compliance with international safety, electromagnetic compatibility (EMC), and environmental standards is ...

    SANPU|08/27/2026|How to|
  • How to Prevent Voltage Drop in Long-Run LED Channel Letter Systems

    How to Prevent Voltage Drop in Long-Run LED Channel Letter Systems

    In commercial signage, lightboxes, and long-run architectural channel letter installations, constant-voltage LED systems frequently encounter a technical issue: voltage drop. ...

    SANPU|08/23/2026|How to|
  • When to Use Indoor Rainproof Enclosures

    IP20 vs. IP67 LED Drivers: When to Use Indoor Rainproof Enclosures

    Selecting the appropriate Ingress Protection (IP) rating for an LED power supply is a foundational step in ensuring the safety, ...

    SANPU|08/21/2026|How to|
  • How to Choose the Right Slim LED Power Supply for Indoor Lighting

    How to Choose the Right Slim LED Power Supply for Indoor Lighting

    Selecting the right power supply unit (PSU) is critical for commercial lighting contractors, LED display manufacturers, and spatial designers. Modern ...

    SANPU|08/17/2026|How to|
  • How to Design a Custom Power Supply for Specific Applications

    How to Design a Custom Power Supply for Specific Applications

    When Do You Need a Custom Power Supply? While off-the-shelf catalog power supplies satisfy 80% of standard applications, specialized medical ...

    SANPU|08/15/2026|How to|
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Blog Catagories

  • Applications & Solutions (6)
  • How to (29)
  • Media & Videos (1)
  • Power Supply Knowledges (6)
  • Product News (2)
  • Tech & Learning Center (20)
  • Popular
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  • New IP20 Slim Sized Power Supply
    New IP20 Slim Sized Power Supply
    05/03/2020
  • Understanding Battery Management Systems (BMS): The Brain of Your Lithium Battery Pack
    06/26/2026
  • Technical Evaluation of 600W High-Power Industrial Power Modules
    10/04/2026
  • Designing Custom Enclosures for Outdoor Waterproof Power Supplies
    10/02/2026
  • Why Off-the-Shelf Power Supplies Fail in Specialized Heavy Industry Equipment
    09/30/2026
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  • Key Engineering Steps in Custom Industrial Power Supply Design for OEM Projects
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150W Slim Lightingbox Power Supply IP20 100W Slim Lightingbox Power Supply IP20 60W Slim Lightingbox Power Supply IP20 36W Slim Lightingbox Power Supply IP20 24W Slim Lightingbox Power Supply IP20

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Products

  • Indoor Power Supply IP20
  • Indoor Ultra Thin Power Supply IP20
  • Slim Power Supply IP20
  • Slim Lightingbox Power Supply IP20
  • Dimmable Power Supply
  • Dustproof Power Supply IP40
  • Waterproof Power Supply IP67

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