Legrand Radiant 150-Watt LED Dimmer - Flicker-Free Control

In this review the Legrand Radiant 150-Watt LED dimmer is evaluated for homeowners and installers who need straightforward, flicker-free control of modern LED lighting. The bottom line: it is best for retrofits and new work where compatibility and simple, reliable dimming matter most, because its advanced circuitry and calibration options are designed to reduce flicker, pop-ons and turn-on delays right out of the box.

Key Features

• LED Compatibility: Specifically designed for dimmable LED bulbs and fixtures up to 150W at 120VAC to provide broad, reliable control without requiring a neutral wire.
• Advanced Dimming Technology: Built-in circuitry maximizes compatibility and reduces common LED dimming issues so lights dim smoothly across a wide range.
• Calibration Button: A simple high-and-low end dimming limit adjustability with an easy-to-push calibration button helps eliminate flicker and lets users set preferred start and end points.
• Optional Burst Mode: An LED Burst Mode can be enabled to address LED turn-on delays and pop-ons for stubborn fixtures or mixed-bulb circuits.
• Easy Installation: Replaces a basic single-pole or 3-way switch in under 15 minutes and works in new construction and retrofit jobs without a neutral wire.

Who It's For

The dimmer is aimed at homeowners updating existing light switches, electricians doing retrofit installs, and anyone fitting dimmable LED bulbs who wants fewer compatibility headaches. It works particularly well where multiple types of dimmable LEDs are used and a stable, flicker-free result is important.

It is less suited for systems that use 0-10V LED drivers or for those requiring smart home connectivity from the switch itself. Buyers who need networked control or integration with advanced lighting systems should look for a dimmer with the required driver or smart features.

Pros & Cons

Pros

• Optimized for dimmable LEDs to deliver smoother, flicker-reduced dimming in most real-world bulbs and fixtures.
• Simple calibration and optional Burst Mode give practical tools to fix flicker and turn-on problems without extra equipment.
• Quick replacement of single-pole or 3-way switches and no neutral required makes installation faster in many homes.

Cons

• Not compatible with 0-10V LED drivers, so it will not work in some commercial or specialized LED systems.
• Some users report mixed experiences with functionality over long term or with certain wire sizes, so pairing with recommended wiring and bulbs is advised.

Specifications

Our Verdict

The Legrand Radiant 150-Watt LED dimmer is a practical, well-designed choice for most residential and light commercial retrofit projects where flicker-free LED control is the priority. Its advanced dimming circuitry and simple calibration make it good value for installers and homeowners who want reliable, out-of-the-box performance without a neutral wire.

Frequently Asked Questions

Will this dimmer work with all LED bulbs?
It works with most dimmable LED bulbs and fixtures but is not compatible with 0-10V LED drivers; testing in your circuit is recommended.

Do I need a neutral wire to install it?
No, the dimmer is designed to work without a neutral, making it suitable for many retrofit installs.

Can it be used in a 3-way circuit?
Yes, it replaces basic single-pole or 3-way switches and is intended for both configurations.