Triailing edge 220vac triac dimmer switch for dimmable led light
It's a triac dimmer which the input voltage is 200vac / 240vac, the frequence can be 50/60Hz. The load is from 25w to 250w. The size is 86*86*38mm(L*W*H).
Feature
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Only connect L(LIVE).
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Dimming operation: Touch pannel with three touch botton.
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Phase-cut model: trailing edge dimming.
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Memory function: remember the last brightness when turn on
dimmer again.
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Over current protection.
Wiring diagram
Operation
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When dimmer under turn off status,Press the Touch key ( ) to turn on the dimmer,and dimmer recover the status(dimming level ) same as last time before it turning off.
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When dimmer under turn on status, press the Left ( ) Key the brightness down; press the Right ( ) Key,the brightness up; press on the ON/OFF ( ) Key ,dimmer shut down.
Working principle
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Working pinciple :Sine wave phase-cut.
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Control the driver to soft start to achieve continuous,soft dimming.
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Over-current protection,pretend the driver and dimmer from the damage caused by huge current.
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A load fine to set the minimum brightness to prevent the flicker caused by the influence when it is starting.
