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| p operating ambient (ta) -20oc to +50oc p max case temperature (tc) 85oc p storage temperature -20oc to +60oc p dry location only ip20 rated features / benefits operating conditions 20w variable microdriver p universal input 110-240vac p short and open circuit protected p fully isolated twin outputs p dimming by 1-10v or potentiometer p resetting thermal shutdown p rugged design with terminal cover & cable grip p over voltage protection p up to 1a output on single output operation visit www.dialight.com for intall instructions. dialight reserves the right to make changes at any time in order to supply the best product possible. p cove & cornice lighting p display cases p spot lights / signage p architectural lighting and display lighting p marker & orientation lights application description mechanical dimensions the 20w variable microdriver? is an adjustable constant current driver which can supply two output channels. adjustments are easily made using the single potentiometer located on front cover. single output operation (output 1 only) 250ma to 1a dual output operation (output 1 & output 2) 250ma to 500ma per channel. the driver is dimmable with 1-10v or potentiometer. p maximum case height 23.5mm (0.93 inches) p maximum case width 52mm (2.05 inches) p maximum case length 111mm (4.37 inches) ordering information part number:- MDU-18-V-25-100 approvals immunity en 61547 emi / rfi en 55015 (conducted) en 61000-3-2 (harmonics) performance en 62384 safety en 61347-2-13 www.dialight.com
electrical specifications input voltage: 110/240vac (90 to 264vac) frequency: 50/60hz (47 to 63hz) power factor: > 0.90 input current: see efficiency chart output 1 current: 250-1000ma output 2 current: 250-500ma output power 20w at 240v 15w at 110v power consumption: 26 va (max) output voltage: 33vdc (max) dimming operation 1-10v or potentiometer number of leds output 1: 1 - 9* number of leds output 2: 1 - 9* thermal protection yes (overheating) output current overshoot no short circuit protection yes open circuit protection yes over voltage protection yes output isolation yes rohs compliant yes *based on a typical led forward voltage of 3.2v termination access easily removable cover input and output connections notes: note 1: colour shift in led output may occur at low dimming levels. please check application suitability before specification. note 2: if multiple drivers (max. 50) need to be dimmed at the same time, parallel the dimming connections together and divide 100k by the number of drivers to find the correct potentiometer. maximum led load per channel output 1 & 2 output 1 only @110v @230v @110v @230v 250ma - 350ma 7 9 7 9 500ma - 700ma - - 7 9 700ma - 1a - - 4 6 www.dialight.com dialight reserves the right to make changes at any time in order to supply the best product possible. the most current version of this document will always be available at: www.dialight.com/assets\brochures_and_catalogs\illumination\ mdexu18v25100. pdf 2 mdexu18v25100_a |
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