Legrand Dimmer Switch - White

Legrand Mosaic dimmer, white, operating mode push button, application 0 - 10 V ECG (HF), load type...

Best current price£70.88from Tameson UK

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Tameson UKLegrand White Mosaic Dimmer - 078404
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eBayMosaic Button Dimmer 40-600VA 240V White 078404
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Product Information

Full details

This Legrand Dimmer Switch (078404) is designed for electricians and homeowners seeking precise lighting control in 0-10V lighting systems. Its key benefit is smooth, flicker-free dimming for compatible fixtures, allowing for optimized ambiance and energy savings. A caveat to consider is its specific compatibility requirement with 0-10V controlled electronic ballasts or LED drivers, meaning it won't work with standard AC dimmable bulbs. This modular element seamlessly integrates into existing systems, offering adjustable light levels from 20VA up to 600VA.

All features

ColourWhite
Model Part Number078404
BrandLegrand

Extended Product Information

FAQs

What type of lighting does this dimmer work with?

This dimmer is specifically designed for 0-10V controlled lighting systems, such as those using compatible electronic ballasts or LED drivers. It will not work with standard AC dimmable bulbs.

What is the maximum load this dimmer can handle?

The dimmer can handle a rated power range of 20VA to 600VA.

How do I install this dimmer switch?

Installation involves wiring it as a modular element into a compatible 0-10V lighting system. Always ensure power is off before installation and follow the wiring diagrams provided with both the dimmer and your lighting fixture.

Can I use this dimmer with regular LED bulbs?

No, this dimmer requires the LED bulbs to be part of a 0-10V dimming system. Standard dimmable LED bulbs that do not support the 0-10V protocol will not work.

What does 'operating mode push button' mean?

This refers to the physical interface of the dimmer. You operate the dimming function by pressing the button, which is a common and intuitive method for controlling light levels.

Is this dimmer suitable for smart home integration?

This is a traditional analog 0-10V dimmer and does not have built-in smart home capabilities. Smart control would require integration with a compatible smart system that can control 0-10V signals.

What is the color of the dimmer?

The dimmer has a white finish to blend with standard electrical fixtures.

Troubleshooting

Dimmer not responding

Ensure power is restored and that the wiring connections are secure. Verify that the connected lighting fixture is a 0-10V dimmable type and is correctly wired to the dimmer.

Lights flicker or buzz

Check that the connected fixture is compatible with 0-10V dimming and that the load is within the dimmer's rated power range (20-600VA). Loose connections can also cause flickering; re-check wiring.

Lights do not dim smoothly

Confirm that the ballast or LED driver is specifically designed for 0-10V analog dimming. Ensure the wiring is correct and that there are no obstructions or interference in the control circuit.

Dimmer not functioning after installation

Double-check all wiring connections against the product manual and the lighting fixture's specifications. Ensure the fixture itself is functioning correctly.

Pros and Cons

Pros

  • Provides precise and smooth dimming for compatible 0-10V lighting systems.
  • Easy to operate with a standard push-button interface.
  • Suitable for a broad range of lighting loads up to 600VA.
  • Modular design allows for flexible installation within existing switch configurations.
  • Secure screw terminal connections ensure reliable performance.

Cons

  • Requires specific 0-10V controlled fixtures (electronic ballasts or LED drivers); not compatible with standard AC dimmable bulbs.
  • Installation may require knowledge of 0-10V wiring systems.
  • Only one unit per pack, requiring multiple purchases for larger installations.

Setup, Compatibility & Care

Setup: This dimmer is a modular element designed for installation into a switch box. It requires wiring to a 0-10V controlled lighting system. Ensure power is disconnected before installation. Connect the dimmer's control wires according to the specific 0-10V fixture's wiring diagram and the dimmer's instructions, typically involving connecting to the fixture's dimming control input and power source via the screw terminals.

Compatibility: This dimmer is only compatible with lighting fixtures that use a 0-10V dimming protocol, such as electronic ballasts or LED drivers specifically designed for this control method. It is not compatible with standard incandescent, halogen, or non-0-10V dimmable LED bulbs.

Care: To clean the dimmer, disconnect power and wipe the surface with a dry or slightly damp, soft cloth. Avoid using abrasive cleaners or solvents, as they can damage the finish.

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