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White polycarbonate wall-mount dimmer with vertical slider and rocker paddle, wall plate included

Duchow KD-DC03 12-24V DC Dimmer Switch Control

SKU CH-19WG-9SR6K MPN KD-DC03

A 12-24V DC PWM dimmer with rocker switch and slider for single-colour LED strips, IP40 rated, 10A max, includes wall plate

  • Display resolution1
  • Switch functionON-OFF-ON
  • Rated voltage24 V
  • Casing materialPolycarbonate
  • Mounting styleWall Mount
  • Certifications and standardsIP40, ETL
  • Smooth 5-100% PWM dimming with no flicker or hum
  • Large paddle switch for instant on/off and preset level
  • Fits standard electrical boxes with screws and wall plate included
  • Rated IP40 and ETL certified for indoor safety
  • Handles up to 10 A output on 12-24 V DC circuits

Application & User Fit

The Duchow KD-DC03 is a 12-24V DC dimmer switch designed for single-colour LED strip lights. It suits installers and DIY users who need a wall-mounted slider and paddle control for low-voltage lighting circuits. The IP40-rated polycarbonate housing and ETL certification support indoor installations where a standard electrical box is available. It is not for buyers who require AC mains dimming or multi-channel colour mixing.

Upgrade Context

This unit replaces basic on-off switches or inline dimmers that lack a wall-plate form factor and smooth PWM control. The jump is worth it when a project demands 5-100% flicker-free dimming, a preset rocker paddle and a slider that cannot fully extinguish the load. It does not suit circuits that need a slider-to-off function or built-in voltage conversion for 120V AC wiring.

Sustained Load Behaviour

Under continuous operation the dimmer delivers up to 10A per channel while maintaining silent, flicker-free output across the 0-45°C operating range. The PWM circuitry holds a stable 12-24V DC output without audible humming during extended dimming sessions. The slider holds the minimum brightness level rather than switching off, so the paddle must be used for a hard off state during long-term use.

How it compares

Measured against everything we stock in Electrical Switches & Controls, at today’s prices. Recalculated every night.

Price $35.99
Cheaper than about 67% of the 256 comparable items (median $60.49).

Specifications

Product
Brand nameDuchow
Model nameKD-DC03
Part numberKD-DC03
Product type12-24v DC Dimmer Switch for Led Strip Lights
Color and finishWhite
Color displayWhite
Display
Display resolution1
Display formatKD-DC03
Power
Rated voltage24 V
Power rating10 A
Size & build
Casing materialPolycarbonate
Size or dimensions4.191 cm × 7.1882 cm × 11.811 cm
Main materialPolycarbonate
Compatibility
Fit and compatibilityLED Strip Lights
Environment & compliance
Certifications and standardsIP40, ETL
Operating temperature range0 degrees celsius to 45 degrees celsius
More details
Switch functionON-OFF-ON
Mounting styleWall Mount
DutyLED Strip Lights

Questions about this item

What wall-box depth does the 4.191 cm deep dimmer need?

It fits a standard electrical box; screws and a white wall plate are included for wall-mount installation.

How do the two controls wire and operate together?

Connect DC 12-24V supply to the input terminals and the LED strip to the output; the large rocker paddle switches power on/off while the slider adjusts brightness from 5% to 100%.

When should the 10 A rated unit be replaced?

Replace it if the slider no longer dims smoothly, the paddle fails to cut power, or the housing shows heat damage after prolonged indoor use up to 45 °C.

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