R2021 Press-Key Constant Voltage Dimmer

The R2021 Push-button single color dimmer is deisgned to drive constant voltage LED products in voltage range of DC5-24V. User can push or hold the external push button switch to turn on/off or adjust brightness of LED.

  • Control Mode: Press Key
  • Output Mode: Contant Voltage PWM
  • Power Voltage: DC 5-24V
  • Output Current: 1x8A

n Introduction

R2021 press-key LED controller is designed to drive constant voltage LED products in voltage range of DC5-24V. With simple ‘click’ and ‘hold’ key-press operation. It can switch on/off or dim LED brightness smoothly.With protect function for overload, short circuit and over heat, the installation and usage will be trouble free.


n Features


n Wiring Diagram

Rayrun website

R2021 Press-Key Constant Voltage Dimmer
Electrical Specification
Working VoltageDC 5-24V
Rated Output Current8A
Control ModeSingle Press-key
PWM Control Level256-Level
PWM Frequency1KHz
Protection FunctionWrong wiring / Overload / Short circuit / Over heat
Working Temperature -30~60℃
Components & PCBSMD parts / Double side FR-4 pcb
Brightness Resolution256 Levels
Control ModeClick press for On/off, Hold press for Dimming
Auto Recall FunctionYes
Power & LED Connector
Power ConnectorAWG18 Red / Black cable
LED ConnectorAWG18 Red / Black cable
Key ConnectorAWG 22 whtite Cable
Dimension & Weight
Cable Length150mm
Net Weight9g