How to select the correct driver for my LED Strip?

Please find our guidelines on how to make sure that you select the correct drivers for your project.

1. Check the LED Strip Specifications

Voltage (V): This is typically either 12V or 24V for most LED strips. Make sure to match the voltage of your LED driver with the LED strip’s voltage.
Wattage (W): The total power required by the LED strip. This can usually be found in the product specs or on the packaging. It is listed as watts per meter (W/m), so multiply that by the length of your strip to find the total wattage. You can wire multiple lengths of strip into one driver but still need to calculate the full wattage of all the led strip.

Example: If the strip uses 5W/m and you have 5 meters of strip, the total wattage required is 25W.

When selecting your LED strip light driver, always choose one from a reputable brand such as ArcLED, as quality can impact performance, longevity, and safety.

2. Choose a Driver with the Correct Voltage

The voltage of the LED driver should match the voltage of the LED strip (either 12V or 24V). Using an incorrect voltage can damage the strip or result in safety issues and light flickering.

If you’re using a 12V LED strip, ensure you are pairing it with a 12V LED driver.
Likewise, a 24V LED strip should only be used with a 24V LED driver.

Using the correct voltage not only protects the components but also ensures that the brightness output remains consistent across the entire length of the strip.

3. Check for Compatibility with Dimming or Features (Optional)

If you want to dim the LED strip then there are multiple methods of doing this.

i) If you wanted to dim the LED strip in a traditional way with a rotary dimmer switch then you would need to select a dimmable driver. This method only will work for single colour strip or our dim to warm led strip. If you want to dim the CCT/RGB led strip then please use the method below. You can find our recommended dimmer switches here.

ii) If you are planning on using a receiver and remote control or phone app then you do not require a dimmable driver as the dimming is handled by the receiver.

iii) If you would like to to have the capability to dim from a traditional rocker switch then this must be a retractive switch which needs to be wired to the push switch terminal on the receiver, this still only requires a non-dim driver.

If you’re unsure whether your dimming system is compatible with your driver, it’s best to speak to our team for a tailored recommendation. Whether you’re choosing a 12V dimmable driver, a 24V dimmable driver, or a constant current LED driver with smart dimming capabilities, the right pairing will ensure flicker-free and safe control. We always recommend employing a professional to install your LED lights and system.

4. Select the Right Wattage Rating

The driver should be able to supply more than the required wattage to ensure it can handle the load without being overloaded. Ideally, select a driver that can supply around 10-15% more than the required wattage.

For example, if your LED strip needs 25W, look for a driver rated for at least 28W. You would select a 30W driver based on this selection.

Choosing a driver with a slightly higher wattage rating not only prevents overheating but also helps increase the lifespan of both the LED strip and the power supply. It’s safe to use a higher wattage LED strip light driver as long as the voltage matches.

Summary

Match the voltage (12V or 24V).
Choose whether the driver needs to be non-dimmable or dimmable.
Calculate the total wattage needed and allow 10-15% tolerance.

By following these guidelines, you’ll be able to select the right LED driver for your LED strip. If you have any further questions then please don’t hesitate to get in touch with one of our sales team.

Please find links to the categories below;

Frequently Asked Questions About LED Drivers

What is an LED driver?

An LED driver is an electrical device that provides power to an LED light source. It converts high-voltage alternating current (AC) into the low-voltage direct current (DC) required by LEDs. Most LED strip light drivers are either 12V or 24V, and choosing the right type ensures that your lighting runs efficiently and safely.

What does an LED driver do?

An LED driver regulates the power going into your LED strip. Without a driver, LEDs can receive too much current or voltage, leading to reduced lifespan or issues with safety and function. The driver acts like a transformer and current regulator, ensuring stable and safe lighting performance.

For certain setups, particularly those using LED modules or specialised fittings, a constant current LED driver may be needed. These drivers deliver a steady current, making them ideal for high-powered LEDs that require precise electrical control.

Do I need a driver for LED lights?

In most cases, a driver is needed for LED lights. Almost all LED strips and LED fixtures require either a 12V LED driver or 24V LED driver, depending on the voltage rating of the light itself. Connecting LED strips directly to mains voltage without a driver can cause permanent damage and is unsafe.

What are the two types of LED driver I need to know about?

There are two main types of LED driver:

Constant Voltage LED Driver: This is the most common type used for LED strip lighting. It delivers a fixed output voltage (usually 12V or 24V) and is ideal for most home and commercial strip light installations.
Constant Current LED Driver: Designed for LEDs that require a precise current, this type is used with specific modules or fittings. These are often used in architectural or commercial environments where regulated current is needed.

Choosing the right type of LED driver depends on the lighting product you’re using so always check the specification before purchasing or talk to the ArcLED Customer Services team for expert advice. We’re here to support DIY enthusiasts as well as professionals.

Can I use a higher wattage driver for LED?

It’s safe and often advisable to use a driver with a higher wattage rating than your LED strip requires. As long as the voltage output matches (either 12V or 24V), a higher wattage driver will provide a buffer that can help prolong the lifespan of both the driver and the strip. Stick to around 10–15% extra for optimal results and never use a driver with lower wattage than required.

Whether you’re designing ambient under-cabinet lighting or illuminating a large retail space, selecting the correct LED driver is a critical part of ensuring system safety and performance.

From 12V LED drivers for home use to 24V dimmable drivers for commercial projects, we offer a full range of quality and reliable options. We stock a full range of products so you will find everything you need to complete your new lighting system from LED strip lights to drivers.

How to select the correct driver for my LED Strip?