Constant Voltage Power Supplies

Our Constant Voltage Power Supplies provide 12V or 24V stable voltage for LEDs that require it. The product line includes a variety of water resistance, dimming control, and connection types. With brands like DiodeDrive, Mean Well, and Magnitude, all our power sources offer simple and secure control of your LEDs.
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  1. 1
    LED Switching Power Supply - DiodeDrive® Series - 60-100W Enclosed Power Supply - 12V

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    Input Voltage
    100-277 VAC
    Output Voltage
    12 VDC
    Power Consumption
    60 Watts, 100 Watts
    Water Resistance
    Waterproof
    In Stock

    Starting at$21.99 ea.
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    UL Recognized
    UL Recognized
    CE
    CE
    3 Years
    3 Years
  2. 2
    DiodeDrive® Desktop AC Power Adapter - 12 VDC Switching Power Supply - 60W-120W

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    Input Voltage
    100-240 VAC
    Output Voltage
    12 VDC
    Power Consumption
    60 Watts, 120 Watts
    Water Resistance
    Non-Weatherproof
    In Stock

    Starting at$19.99 ea.
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    UL Listed
    UL Listed
    FCC
    FCC
    2 Years
    2 Years
  3. 3
    Mean Well LED Switching Power Supply - LPV Series 20-100W Single Output LED Power Supply - 12V DC

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    Input Voltage
    100-240 VAC
    Output Voltage
    12 VDC
    Power Consumption
    20 Watts, 35 Watts, 60 Watts, 100 Watts
    Water Resistance
    Waterproof
    In Stock

    Starting at$12.99 ea.
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    UL Recognized
    UL Recognized
    CE
    CE
    2 Years
    2 Years
  4. 4
    Mean Well LED Switching Power Supply - LRS / SE Series - 100-1000W - Enclosed - 12V DC

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    Input Voltage
    100-120 VAC, 100-240 VAC
    Output Voltage
    12 VDC
    Power Consumption
    100 Watts, 150 Watts, 200 Watts, 350 Watts, 450 Watts, 600 Watts, 1000 Watts
    Water Resistance
    Non-Weatherproof
    In Stock

    Starting at$23.99 ea.
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    UL Recognized
    UL Recognized
    2 Years
    2 Years
  5. 5
    DiodeDrive® Wall-Mounted AC Adapter - 12 VDC Power Supply - Black / White - 12W / 18W / 24W / 36W / 48W

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    Input Voltage
    120 VAC
    Output Voltage
    12 VDC
    Power Consumption
    12 Watts, 18 Watts, 24 Watts, 36 Watts, 48 Watts
    Water Resistance
    Non-Weatherproof
    In Stock

    Starting at$7.99 ea.
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    UL Listed
    UL Listed
    FCC
    FCC
    3 Years
    3 Years
  6. 6
    Armacost Lighting Standard 12V DC LED Power Supply - 120V AC Input - 12W / 24W / 36W / 60W

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    Input Voltage
    120 VAC
    Output Voltage
    12 VDC
    Power Consumption
    12 Watts, 24 Watts, 36 Watts, 60 Watts
    Water Resistance
    Non-Weatherproof
    In Stock

    Starting at$13.99 ea.
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    ETL Listed
    ETL Listed
    2 Years
    2 Years
  7. 7
    Armacost Lighting Universal Dimmable 12V DC LED Power Supply - 120V AC Input - 20W / 24W / 45W / 60W / 120W

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    Input Voltage
    120 VAC
    Output Voltage
    12 VDC
    Power Consumption
    20 Watts, 24 Watts, 45 Watts, 60 Watts, 120 Watts
    Water Resistance
    Non-Weatherproof
    In Stock

    Starting at$29.99 ea.
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    3 Years
    3 Years
  8. 8
    Dimmable LED Driver - Enclosed Power Supply - 25-60W - 12 Volt DC

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    Input Voltage
    100-130 VAC
    Output Voltage
    12 VDC
    Power Consumption
    25 Watts, 60 Watts
    Water Resistance
    Non-Weatherproof
    In Stock

    Starting at$39.99 ea.
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    ETL Listed
    ETL Listed
    FCC
    FCC
    2 Years
    2 Years
  9. 9
    Magnitude Dimmable LED Power Supply - 60-200W - 12V DC

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    Input Voltage
    120 VAC
    Output Voltage
    12 VDC
    Power Consumption
    60 Watts, 100 Watts, 150 Watts, 200 Watts
    Water Resistance
    Waterproof
    In Stock

    Starting at$114.99 ea.
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    ETL Listed
    ETL Listed
    2 Years
    2 Years
  10. 10
    Mean Well LED Switching Power Supply - AP Series 12-35W Single Output LED Power Supply - 12V DC

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    Input Voltage
    100-240 VAC
    Output Voltage
    12 VDC
    Power Consumption
    12 Watts, 16 Watts, 25 Watts, 35 Watts
    Water Resistance
    Non-Weatherproof
    In Stock

    Starting at$8.99 ea.
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    UL Recognized
    UL Recognized
    2 Years
    2 Years
  11. 11
    LED Switching Power Supply - DiodeDrive® Series - 60W-150W Enclosed Power Supply - 12V

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    Input Voltage
    100-277 VAC
    Output Voltage
    12 VDC
    Power Consumption
    60 Watts, 100 Watts, 150 Watts
    Water Resistance
    Waterproof
    In Stock

    Starting at$46.99 ea.
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    UL Recognized
    UL Recognized
    CE
    CE
    5 Years
    5 Years
  12. 12
    Mean Well LED Switching Power Supply - PWM Series 40-120W LED Power Supply - 12V Dimmable

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    Input Voltage
    100-240 VAC
    Output Voltage
    12 VDC
    Power Consumption
    40 Watts, 60 Watts, 90 Watts, 120 Watts
    Water Resistance
    Waterproof
    In Stock

    Starting at$38.99 ea.
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    UL Recognized
    UL Recognized
    CE
    CE
    5 Years
    5 Years
  13. 13
    Mean Well LED Switching Power Supply - SP Series 100-320W Enclosed Power Supply with Built-in PFC - 12V DC

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    Input Voltage
    85-264 VAC, 100-240 VAC
    Output Voltage
    12 VDC
    Power Consumption
    100 Watts, 150 Watts, 200 Watts, 320 Watts
    Water Resistance
    Non-Weatherproof
    Clearance

    Starting at$53.99 ea.
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    UL Recognized
    UL Recognized
    3 Years
    3 Years
  14. 14
    Wall-Mounted AC Adapter - 12 VDC Switching Power Supply 18W / 25W

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    Input Voltage
    120 VAC
    Output Voltage
    12 VDC
    Power Consumption
    18 Watts, 25 Watts
    Water Resistance
    Non-Weatherproof
    In Stock

    Starting at$13.99 ea.
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    UL Listed
    UL Listed
    FCC
    FCC
    3 Years
    3 Years
  15. 15
    Dimmable LED Driver - Enclosed Power Supply - 120W - 12 Volt DC

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    Input Voltage
    100-130 VAC
    Output Voltage
    12 VDC
    Power Consumption
    120 Watts
    Water Resistance
    Waterproof
    In Stock

    Starting at$99.99 ea.
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    ETL Listed
    ETL Listed
    FCC
    FCC
    2 Years
    2 Years
  16. 16
    Magnitude Dimmable LED Driver - Super Compact - 12 Volt

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    Input Voltage
    120 VAC
    Output Voltage
    12 VDC
    Power Consumption
    60 Watts
    Water Resistance
    Waterproof
    Out of Stock
    Backorder Available

    Starting at$109.99 ea.
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    UL Recognized
    UL Recognized
    5 Years
    5 Years
  17. 17
    Diode LED® - SWITCHEX® LED Driver and Dimmer Switch - 12V - 40W / 60W

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    Input Voltage
    120 VAC
    Output Voltage
    12 VDC
    Power Consumption
    40 Watts, 60 Watts
    Water Resistance
    Non-Weatherproof
    In Stock

    Starting at$124.99 ea.
    View More Info
    UL Listed
    UL Listed
    FCC
    FCC
    5 Years
    5 Years
  18. 18
    Dimmable LED Power Supply - DiodeDrive® Series - 200W Enclosed Power Supply - 12V

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    Input Voltage
    100-130 VAC
    Output Voltage
    12 VDC
    Power Consumption
    200 Watts
    Water Resistance
    Waterproof
    In Stock

    Starting at$129.99 ea.
    View More Info
    ETL Listed
    ETL Listed
    FCC
    FCC
    2 Years
    2 Years
  19. 19
    LED Switching Power Supply - DiodeDrive® Series - 60W-240W Enclosed Power Supply - 12V

    ShowHide specs
    Input Voltage
    100-277 VAC
    Output Voltage
    12 VDC
    Power Consumption
    60 Watts, 100 Watts, 150 Watts, 240 Watts
    Water Resistance
    Waterproof
    Clearance

    Starting at$49.99 ea.
    View More Info
    UL Recognized
    UL Recognized
    CE
    CE
    7 Years
    7 Years
  20. 20
    Mean Well LED Switching Power Supply - RS Series 50W Enclosed LED Power Supply - 12V DC

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    Input Voltage
    100-240 VAC
    Output Voltage
    12 VDC
    Power Consumption
    50 Watts
    Water Resistance
    Non-Weatherproof
    In Stock

    Starting at$21.99 ea.
    View More Info
    UL Recognized
    UL Recognized
    3 Years
    3 Years
  21. 21
    Mean Well LED Switching Power Supply - LPV Series 120W Single Output LED Power Supply - 12V DC - 200-277 VAC - 120W

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    Input Voltage
    200-277 VAC
    Output Voltage
    Power Consumption
    120 Watts
    Water Resistance
    Waterproof
    In Stock

    Starting at$49.99 ea.
    View More Info
    UL Recognized
    UL Recognized
    2 Years
    2 Years
  22. 22
    Magnitude Dimmable LED Driver - Compact - 12 Volt

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    Input Voltage
    120 VAC
    Output Voltage
    12 VDC
    Power Consumption
    60 Watts
    Water Resistance
    Waterproof
    In Stock

    Starting at$114.99 ea.
    View More Info
    UL Listed
    UL Listed
    5 Years
    5 Years

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Super Bright LEDs, Inc. offers a 2-year warranty to protect against manufacturer defects and malfunctions. If you experience failure of an LED or other component not caused by negligence, abuse, unauthorized repair or disassembly, we will replace the product within the warranty period. In the case the exact product is no longer available, a gift card for the value of the original purchase price will be provided. Read More
Super Bright LEDs, Inc. offers a 3-year warranty to protect against manufacturer defects and malfunctions. If you experience failure of an LED or other component not caused by negligence, abuse, unauthorized repair or disassembly, we will replace the product within the warranty period. In the case the exact product is no longer available, a gift card for the value of the original purchase price will be provided. Read More
Super Bright LEDs, Inc. offers a 5-year warranty to protect against manufacturer defects and malfunctions. If you experience failure of an LED or other component not caused by negligence, abuse, unauthorized repair or disassembly, we will replace the product within the warranty period. In the case the exact product is no longer available, a gift card for the value of the original purchase price will be provided. Read More
Super Bright LEDs, Inc. offers a 7-year warranty to protect against manufacturer defects and malfunctions. If you experience failure of an LED or other component not caused by negligence, abuse, unauthorized repair or disassembly, we will replace the product within the warranty period. In the case the exact product is no longer available, a gift card for the value of the original purchase price will be provided. Read More
In order for certain products within controlled categories, such as electrical and electronic devices, to be legally sold in the European Economic Area, they must bear a CE label, which stands for Conformité Européenne (European Conformity). Products with this label meet environmental, health, and safety standards put into place by European legislation.
A product that bears an ETL-Certified label has been evaluated by a Nationally Recognized Testing Laboratory (NRTL) and meets national product safety standards. An ETL certification is accepted in the U.S. and in Canada.
Products with a Federal Communications Commission (FCC) label meet all requirements and rules set forth by the FCC and won't cause interference with other electronic devices. According to FCC's website, "The Federal Communications Commission regulates interstate and international communications by radio, television, wire, satellite and cable in all 50 states, the District of Columbia and U.S. territories." Products that generate radio frequency (RF) energy, such as RF remote controls and certain LED light bulbs, are tested to ensure that they are within the FCC's guidelines and limits and do not cause harmful interference.
Underwriters Laboratories (UL) LLC is an independent testing agency that works to verify product safety and quality. A UL-Listed label means that product samples have been tested by UL and that the product meets their Standards for Safety requirements.
Underwriters Laboratories (UL) LLC is an independent testing agency that works to verify product safety and quality. A UL-Recognized label ensures that a product component, such as a power supply or LED light strip, has been tested and verified as safe to use in a UL-Listed product. UL-Listed product samples are tested by UL and meet their Standards for Safety requirements.

Why would I need a constant voltage power supply?

Constant voltage power supplies are suitable for powering LEDs equipped with resistors or constant current drivers, which regulate the flow of current and may require a constant-voltage power supply when the desired operating voltage differs from the available power source (such as in homes or vehicles). 

For instance, LED light strips often incorporate current-regulating resistors. If the light strip operates within a range of 9-14.8 volts in direct current (DC), it can be directly connected to a 12-volt DC system in a vehicle without requiring a constant-voltage power supply. However, if you want to install the same light strip in a home with a 120-volt alternating current (AC) wiring system, you must reduce and convert the voltage from AC to DC using a power supply. 

In certain cases, constant-current drivers are available that match the voltage and current requirements of both the product and the power source (home, vehicle, etc.), eliminating the need for a constant-voltage power supply.


What are the differences between a power supply and a driver?

A driver and a power supply are the same thing. These terms are used interchangeably. Drivers tend to refer more to constant current power supplies.


What features are available with constant voltage power supplies?

Dimmable

Certain power supplies and drivers are compatible with TRIAC and other dimmers. If you wish to dim your LEDs, purchase a compatible power supply that allows you to dim 0-100%.

Plug-In

These are 120V and plug into a home’s outlet after being connected to the LED via a barrel connector.

Waterproof

Waterproof voltage power supplies help power outdoor and underwater LEDs in pools, fountains, etc. 


What types of LEDs would require a constant voltage power supply?

The most common use for constant voltage power supplies is LED strip lights.


What are the benefits of using a constant voltage power supply?

Constant voltage supplies provide a consistent voltage across the LEDs so that minimal voltage drop ensures all your LEDs work properly and effectively.


What is the difference between NEC Class 2 and IEC Class II?

NEC Class 2 refers to the output voltage and power of AC/DC power supplies. So it focuses on wiring details like wire size, derating factors, installation, and overcurrent protection limits. Class 2 power supplies are considered less of a fire hazard and have less risk of causing electrical shocks.

On the other hand, IEC Class II refers to the internal construction of the power supply and its electrical insulation. With Class II power supplies, there are two layers of insulation, and they have a two-wire power cord.

For more details on Class 2 and Class II, read our blog “Is There a Difference Between Class 2 and Class II Power Supplies?