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Aluminum Heatbed MK3

by OEM
The   ALU-Heatbed MK3   have features similar to MK2 and you can also operate this board with 12V or 24V. Heatbed with 3.1mm Aluminum Core. Print...
Company: OEM
Made in: China
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Without VAT 16.85

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The ALU-Heatbed MK3 have features similar to MK2 and you can also operate this board with 12V or 24V.

  • Heatbed with 3.1mm Aluminum Core. Print directly on the heatbed, no need for glass plate. It's a much lighter solution than PCB heatbed + glass, which makes it better for faster prints.
  • Dual power supply. Operate at 12V or 24V. You can use thinner wires when operating at 24V.
  • A central mounting hole on the front side to allow for three point mounting. This is much easier for bed leveling in comparison to 4 point mounting. First level the side with two holes and fix in place, then level the side with one hole.
  • Large solder pads for multiple wires (ribbon cable) or a SMD pinhead connector can be mounted.


  • Have presoldered cables for power supply.
  • Thermistor and other components not included.


  • 1 layer 35μm copper
  • SMD Leds presoldered for control
  • Recommended permanent heating 120°C
  • Max. Temp: 180° C
  • Heating Time: 24V reaches 100° C in 2 minutes
  • Powersupply 12V and 24V selectable by connectors
  • Power: 120W
  • Resistance: 1.4-1.6 Ohm at 12V, 5.0-5.4 Ohm at 24V
  • Based on the MK2A design of Josef Prusa
  • 5 holes 3mm for 3 or 4 point mounting
  • Material: Aluminum
  • Heating Area: 199 x 199mm
  • Color: Black


  • 199 x 199mm active heated area
  • 208 mm center-to-center mounting holes (outside the active area)
  • 213 x 213 mm total ALU size
  • Cable length: 55cm
  • Weight: 363gr


MK3 can choose 12V and 24V,

  • 12V: one line thread cross 1, another cross 2, 3
  • 24V: one line thread cross 2, another cross 3 (1 don't need to pick up).