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What's 1-10V Dimmer?

                                                                                What's 1-10V Dimmer?                                                  

These dimmer switches are similar to DALI but send an extra low voltage analogue control signal (1-10V) to a driver down separate wires to the mains supply. They do not directly control the energy passed to the driver. Lamps are never directly 1-10V dimmable. 1-10V is a standard so any 1-10V dimmer switch should work for a 1-10V dimmable driver. 1-10V dimming systems require a switch that controls the mains supply on/off and the separate 1-10V dimming signal


This method often works very well for dimming dedicated LED fittings when coupled to a 1-10V dimmable driver. Dimming is often smoother and lower than mains dimming options. It requires a separate ‘control’ cable to be run from the controller to the fittings driver.


Conceptually, 1-10 Volt dimming is one of the oldest and, in some ways, most simplistic form of dimming, having been developed and used in many prior lighting technologies. 1-10V dimming has been adapted to LED loads and is a relatively popular method of lighting control.  There are a number of Collingwood luminaries containing compatible drivers, as standard, which have separate wires in addition to the mains supply.


1-10V dimming uses a controlled DC voltage signal to vary the brightness of the fitting(s). 1 is the lowest level, typically 10% of light output, and 10 is the brightest, at 100% of the light output. There is a linear pattern on light output in between 1 and 10V, so 5 would be circa 50%.


Using dimmable luminaires in an installation, especially in commercial and industrial facilities, is a commonly used method for reducing operational cost, through lower energy consumption, and to comply with Part L regulations.


Varying the light levels throughout the day, or in line with working patterns and occupancy will mean that the lighting is effectively and efficiently used.


1-10V dimming is best utilised in more simple installations, where general lighting is the desired application. This helps to explain why more commercial and industrial fittings have 1-10V options as standard.


Ultimately, 1-10V dimming offers a smooth, consistent and reliable form of dimming, which is tried and tested over time. It is especially beneficial when dealing with high numbers of products on the same circuit and doesn’t embody the plethora of issues found within other common forms of dimming, namely: flicker, buzzing and unreliable loads.


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