Whadda WSAH187 Low-Voltage LED Dimmer Module 12-24 VDC 3A PWM Rotary Control

Drive low-voltage LED lighting with precision using the Whadda WSAH187 dimmer module. It delivers up to 3 A at 12-24 VDC, giving you 36 W at 12 V or 72 W at 24 V of smooth PWM dimming from 0 to 100% via a simple rotary potentiometer.

Overview

The WSAH187 is a compact DC-DC dimmer designed for single-color LED strips and low-voltage DC lighting. It operates on a 12-24 VDC input and provides a single output channel with screw terminal connections for secure wiring. The rotary knob gives you direct manual control over brightness, making it ideal for DIY projects, under-cabinet lighting, or display cases.

What stands out

• Wide input voltage range: 12-24 VDC
• High current capacity: up to 3 A output
• PWM dimming for flicker-free performance
• Simple rotary control, no programming needed
• Compact PCB module for easy integration

Technical details

• Input voltage: 12 - 24 VDC
• Maximum output current: 3 A
• Maximum output power: 36 W at 12 V, 72 W at 24 V
• Dimming technology: Pulse Width Modulation (PWM)
• Control mechanism: Rotary potentiometer
• Output channels: 1
• Connection type: Screw terminals
• Dimming range: 0 - 100%
• Compatibility: Single-color DC LED strips, low-voltage DC lighting
• Circuit type: DC-DC dimmer
• Mounting type: PCB module
• Operating mode: Manual control

Our verdict

A reliable and straightforward dimming solution for low-voltage LED projects, offering solid power handling and easy manual control.