Products, Materials & Tools | Jul 20, 2007

OSRAM presents their first 3-channel DMX dimmer

With its Optotronic OT RGB DMX dimmer, OSRAM has now entered the world of DMX 3-channel dimmers for LED systems. Since DMX supports up to 512 individually addressable channels, the new dimmer lends itself particularly well to creating effect-oriented lighting in discotheques, theatres or concert halls, as well as to the large-area illumination of architecture.
The Optotronic range from OSRAM includes control gear units, dimmers and "all in one" devices specially designed for use in LED lighting. The new dimmer now makes it possible to integrate LED systems such as OSRAM Linearlight Colormix, Linearlight Colormix Flex or Backlight easily into DMX Digital Multiplex universe. The new dimmer utilises pulse width modulation (PWM) to permit individual colour mixing of LED modules over the whole dimming range. The connected modules are addressed via the coding switches in the housing cover. Control is accomplished by means of a commercially available DMX controller. Due to its compact, flat dimensions, the dimmer is suited for any - even narrow - installation situation. The integrated strain relief and the covers on both input and control side ensure a safe and independent installation.

The unit meets the requirements of protection class II (protective insulation) and can be used indoors and outdoors in temperatures of -20 to 50°C. Featuring a rated input voltage range of 10 to 24V and low power loss, the dimmer is supplied via an Optotronic control gear unit with a power range of up to 2A per channel. Consequently, one dimmer can, for example, control two four-metre modules of the OSRAM Linearlight Colormix Flex.
OSRAM is one of the two leading lighting manufacturers in the world. Sales in the year ending September 30, 2006 totalled 4.6 billion euros, 88 percent of which came from outside Germany. OSRAM is a high-tech company in the lighting sector. Around 40 percent of sales comes from innovative products. This global player employs around 40,000 people worldwide, supplies customers in some 150 countries and has 49 production facilities in 18 countries. ( )
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