Features: _x000D_60V High Voltage DC-DC Non-isolated Step Down Module. _x000D_The module adopts synchronous rectification technology, which greatly reduces rectification loss at the output terminal, thereby improving conversion efficiency and reducing heating of the power supply itself. _x000D_1-35V continuously adjustable output voltage by rotating the potentiometer. _x000D_Short circuit protection, input reverse polarity protection. _x000D_Includes aluminum shell for fast heat dissipation. _x000D__x000D__x000D_Specification: _x000D_Rectification mode: synchronous rectification _x000D_Type: non isolated buck module (BUCK) _x000D_Input voltage: 8-55V (limit 60V, please leave margin) _x000D_Output voltage: 1-35V continuously adjustable (Please do not exceed this range. The input voltage of the step-down power supply should always be greater than the output voltage and at least 1V pressure difference) _x000D_Output current: 15A (max), 10A(continuous) (related to input and output pressure difference, temperature, etc) _x000D_Output power: 100W(good ventilation and natural heat dissipation), 200W(enhance heat dissipation) _x000D_Working temperature: -10~+85 _x000D_Operating frequency: 180KHz _x000D_Conversion efficiency: Max. 94% (related to input, output voltage difference, the output current) _x000D_Short circuit protection: Yes _x000D_Reverse polarity protection: Yes _x000D_Wiring: large current terminal, free welding, IN+, IN-, OUT+, OUT- _x000D_Aluminum shell size: 70*38*31mm / 2.8*1.5*1.2in _x000D_Weight: Approx. 83g _x000D_ _x000D_Package list: _x000D_1 x Adjustable Step Down Module _x000D_1 x Aluminum Shell _x000D__x000D__x000D_Note:_x000D_Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 160V High Voltage DC-DC Non-isolated Step Down Module. 2The module adopts synchronous rectification technology, which greatly reduces rectification loss at the output terminal, thereby improving conversion efficiency and reducing heating of the power supply itself. 31-35V continuously adjustable output voltage by rotating the potentiometer. 4Short circuit protection, input reverse polarity protection. 5Includes aluminum shell for fast heat dissipation.