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MK2B RAMPS Compatible Dual Power 12/24V Heatbed (HC3DPR0009)
http://forum.hobbycomponents.com/viewtopic.php?f=51&t=1566
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Author:  admin [ Mon Mar 31, 2014 2:09 pm ]
Post subject:  MK2B RAMPS Compatible Dual Power 12/24V Heatbed (HC3DPR0009)

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Description:

This heatbed is designed to be compatible with any 3D printer that can accept the RAMPS MK2B version of heatbed. This heatbed has a dual power capability allowing it to be used with 12V or 24V power supply sources. It has a central mounting hole on the front side to allow for three point mounting. This is much easier for bed levelling in comparison to 4 point mounting. Additionally, the solder pads have been greatly increased in size, making it much easier and allowing for the use of 1206 surface mount components. Please note however, that this does not remove the need to use proper strain relief. We also supply suitable surface mount LED's and resistor as an option.

Specification:

Dimensions (Outer): 214mm x 214mm
Dimensions (Heat Bed): 200mm x 200mm
Resistance (12V): 0.9 - 1.6 Ohms
Resistance (24V): 3.5 - 5.9 Ohms
Operating voltage: 12 or 24 Volts
Operating current (12V): 7.4 - 12.7 Amps
Operating current (24V): 4.1 - 6.6 Amps
Wattage (Typ): 115W (12V) / 120W (24V)

Heat Map:
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* Temperature in Degrees Centigrade. Measured at 25oC ambient room temperature. Heatbed soaked at maximum current for 15 minutes. Underside of heatbed was insulated

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