12/48V, 1ch*15A single-colour dimmer with push switch and triac | Ledpoint S.r.l.
DC Motor Controller Assembly 12V 24V 36V 48V High Power Drive Module Adjustable Speed PWM Electronic Governor Controller Regulation Switch 20A Ultra small LED dimmer - - Amazon.com
Amazon.com : BOJACK Motor Speed Controller 9V-60V 12V 24V 36V 48V 60V Brush Motor Driver Controls Module Motor Pulse Width Modulator Regulator 20A 1200W PWM Monitor Dimmer Governor with Switch Knob :
Dual Channel Dimmer 240W, 8 – 48V | ERG Lighting
Gledopto Zigbee Pro Dimmer LED controller (Zigbee+RF) 12V / 24V / 36V / 48V / 54V DC - eWelink Store