Rotary Dimmers
LED Rotary Dimmers – 12V & 24V Dimming Switches
Our LED rotary dimmers give you smooth, flicker-free brightness control for 12V and 24V LED systems. Compact, easy to fit, and rated up to 30 amps, they’re ideal for signage, retail lighting, and display projects where reliable dimming matters.
Each unit is fitted inline between the power supply and your LED strip or module, allowing manual control from 100% down to 20% brightness. With open screw terminals, they can be mounted in a suitable enclosure for outdoor or damp environments.
- 12V & 24V compatible rotary dimmers
- High-output 30A dimmer with smooth control
- Simple inline installation – no specialist tools needed
Need advice on the right dimmer for your LEDs?
Contact our team: sales@weloveleds.co.uk
Rotary Dimmers
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Original price £13.00Original price £13.00 - Original price £13.00Original price £13.00Current price £6.00£6.00 - £6.00Current price £6.00
Rotary Dimmer 8A
100% full brightness down to 20% without flickering.Sits between the PSU and the lightsSimply turn the dial to adjust the brightness to your person...
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Original price £15.00Original price £15.00 - Original price £15.00Original price £15.00Current price £13.00£13.00 - £13.00Current price £13.00
Rotary Dimmer, 30A
This little unit packs a big punch with a 30A capability.From 100% full brightness down to 20% without flickering.It's to be placed between the 12v...
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Original price £27.50 - Original price £27.50Original price£27.50£27.50 - £27.50Current price £27.50Rotary Dimmer with DC cables, 30A
Description Technical This little unit packs a big punch with a massive 30A capability.From 100% full brightness down to 20% without flickering...
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Frequently Asked Questions
Can I use a rotary dimmer with 12V and 24V LED strips?
Yes, our rotary dimmers are compatible with both 12V and 24V constant-voltage LED systems. Simply install the dimmer between your power supply and the LED strip or module.
How much load can the rotary dimmer handle?
Each dimmer is rated at 30 amps, suitable for up to 264W at 12V or 528W at 24V. Always ensure your total LED load stays within this range.
Do I need to install the dimmer in a housing?
Yes, if the dimmer is used outdoors or in damp areas, it should be fitted inside a waterproof enclosure to protect the open screw terminals.
Does the rotary dimmer cause flicker at low brightness?
No, these units offer smooth, flicker-free dimming from 100% brightness down to 20%, ensuring consistent light quality.
Where should I install the dimmer in my LED setup?
Place the dimmer between the power supply (PSU) and your LED lights for direct, manual brightness control.
Complete Your LED Rotary Dimmer Setup
Our rotary dimmers for LED lights provide precise, manual control over your lighting levels. Designed for 12V and 24V systems, these units are built for reliability and simplicity, delivering smooth dimming from full brightness down to 20% — all without flicker.
Each dimmer connects between the power supply and your LED strips or modules. Rated at 30 amps, they’re ideal for high-power signage, backlighting and feature lighting. Mount them inside a protective enclosure if the installation is exposed to moisture or dust.
How to Choose the Right Rotary Dimmer
- Voltage: Match your dimmer to the LED system – 12V or 24V.
- Current Rating: Choose a 30A dimmer for high-output or multiple LED runs.
- Installation: Fit inline between PSU and LEDs; no airflow required.
- Enclosure: Use a waterproof housing for outdoor or damp locations.
Why Choose WeLoveLEDs™ Rotary Dimmers?
- High-performance 30A units for trade and signage
- Smooth, flicker-free dimming down to 20%
- Compact design for quick inline installation
- Next-day UK delivery and technical support
