MOSFET power expansion board for 3D printer heated beds. Offloads high-current switching from the mainboard to protect it from heat damage and extend its lifespan, while ensuring stable and reliable bed heating.
Protects the mainboard from high-current heated bed loads
Supports high-current heated beds up to 20A+
Compatible with most FDM 3D printers
Simple wiring – connects between mainboard and heated bed
Includes LED indicator for power status
Improves heated bed reliability and mainboard longevity
