Details: Dimensions: 60*50mm Net Weight: 40g Color:Black Max Current: 25A(Enhance heat dissipation) Wire's color is random Summary: 1. Remove basically all ouside screws for your anet a8 control box 2. Take pictures of existing board wiring 3. Unscrew two large 12/14GA wires on the board labeled "hot bed" 4. Screw these two wires into the new mosfet board labled "hot bed" 5. Connect the small jumper wires (white) to the control board where you just removed the two wires and screw them down. Note the polarity on each board. Match (+) to (+) and (-) to (-) 6. FInd 2x 6-8" pieces of 12 or 14 AWG wire. Most cheap extension cords are 16AWG (too thin). Your local home depot / menards / ace will have this as cut-to-length 7. Run one of the 6" wires to the power supply (+), screw in; and the other side to the (+) DC IN on the new mosfet board. Repeat for the negative wire (-) to (-) 8. Many people use velcro to secure the new board to the top of the control box. Others print off a holder from thingiverse 9. Put everything back together 10. When complete, you'll see a blue light activate for signal from inside the box when the bed heater is activated by the control boardPackage Included: 1xHot bed MOS Tube Power Module Expansion
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