Lincoiah 400W 600W 24V 48V 60V 70V 72V DC Switching Power Supply SMPS for CNC Router Foaming Milling Cutting Laser Engraver stepper motorswitching power supplyoutput power:600wTo ensure the lifetime of the power supply, pls don't use full load when you use it. We recommend the use power should be 85% of the rated power.For example: the label of the power supply is 600W, use power should be : 600W*85%=510WFeature&Advantages:High efficiency, high reliability and low cost Switch input voltage range choice 100% full load and machine test Protection characteristics: short circuit/overloaCooling by fan