MK3 3D Printer Heated Bed, Aluminum 400x400mm, 12V/24V
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Prices updated: 13 Oct 2026
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About this product
MK3-style aluminum heated bed measuring 400x400mm and 3mm thick, with a resistance of 1.5 Ω. It runs at 12V (96W) or 24V (384W), and 12V is the recommended setting for safer operation on 3D printers.
Specifications
- Material
- Aluminum
- Size
- 400 x 400 mm
- Thickness
- 3 mm
- Resistance
- 1.5 Ω
- Working voltage 1
- 12V / 96W
- Working voltage 2
- 24V / 384W
- Recommended voltage
- 12V
Frequently asked questions
Which voltage should I use, and what power supply do I need?
Use 12V, the recommended setting, which draws about 96W. At 12V that requires a supply capable of roughly 8A (96W ÷ 12V).
Can the heated bed be connected directly to the control board?
Heated beds draw high current, so it is best driven through a MOSFET module rather than directly from the control board. This protects the board from overload.
