DC-DC Buck Converter Module Buck Regulator 6-40V to 12-36V Output Voltage Adjustable Converter Power Supply Module 300W 20A CC 300W 20A DC Buck Module Constant Current Adjustable Step-Down Converter Voltage Output Current: 20A(max.), 15A (suggested) Output Voltage: 1.2V to 36V DC Efficiency: 95% (24V to 12V, 20A) With a wide input voltage range from 6V to 40V (10V to 40V is suggested), the step-down converter can accurately adjust output voltage and current Output Ripple: Less than equal 50mV Wiring Method: Terminal Short Circuit Protection: Self-recovery (cannot short circuit for long time) VO+: Output positive VO-: Output negative +IN: Input positive -IN: Input negative CV: Output voltage adjustment CC: Output current adjustment EN: Enable, low voltage level shut off output; suspension, high voltage level is effective When input and output is common grounded, no-load CV output constant voltage, CC output constant current Working Tempreture: -10Celsius -75 Celsius Designed with 75V/80A large current dual MOS tube The buck module has 2 heat sink that could enhance heat dissipation Wiring is convenient with these large current 30A screw terminals Input and output use high frequency low resistance electrolytic capacitor, low ripple, stable output Stable and reliable Fine workmanship and durable Widely used in industrial Automation, scientific Research Equipment, LED Lighting, air Purification, civil equipment, solar panel voltage regulator, battery chargingwind turbines and so on Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.