For 2 reasons most modern leds are 1 10v meaning they only dim to 10.
1 10v led dimmer switch.
The brightness control and mains switch are electrically isolated.
Led dimmer switch allchinafiber single pole or 3 way slide 0 10v dimmer switch switch for dimmable 1x4 2x2 2x4 led panel light cover plate included white 1 pack 4 2 out of 5 stars 34 23 58 23.
Dimmer switch adiding 1 10v dimming switch for led lamp light remote control manual white 1 10v controller.
Ac90 240v input dc 1 10v output compatible 90 led driver which based on standard 1 10v dimming.
Adjust the rotary knob to control the brightness and push the knob to switch mains power on off to the ballast driver.
The second was longevity of the led driver.
Ac90 240v 50 60hz dimming range.
1 10v max load power.
Led dimmer switch allsmartlife single pole 3 way 0 10v led dimmer for 2x2 2x4 led flat panel light etl listed wall plate included white 1 pack 4 2 out of 5 stars 68 23 99 23.
The first reason was safety having the light off but power to it raised concerns about having live wires but no lights on.