Description40W CO2 Carbon Dioxide Laser Engraver Power Supply<br>Specifications<br>          Power       40W           Input       AC220V            Output Voltage       (approx.) 20kV           Output Current       DC 20mA            Dimension       173*142*75mm   <br>FeaturesIt is compatible to 40W laser tube.With TTL level switch control as well as protection switch. The start and stop of the laser can be easily controlled by TTL level.The laser power can both controlled  by 0 to 5 volt analog signal and PWM signal.Good open circuit protection: Under the condition of well protection grounding， power source keeps open circuit in a short period， which can avoid the damage of power supply by laser  tube cracks to enhance the power life.Manual test switch: this is able to give a quick for the power which facilitates the maintenace. The power supply is applicable to acrylic sheet， clothing， color plate， rubber， wood， bamboo slips engraving and cutting.<br>Package included1 x 40W CO2 Carbon Dioxide Laser Engraver Power Supply