8-40V to 0-32V Adjustable DC Converter Step down Power Supply Module 50A Features: 1. Adopted of electronic components, and accuracy processing, guarantee for the durability 2. Stable performance and high efficiency conversion rate.  3. Small body and the module can provide excellent performance 4. Great workmanship and the module has good connecting. 5. The module has overheat protecting, the fan is activated at 40℃, the power output is turned off at 65 ℃, and the temperature is restored to 38 ℃ to automatically restore the output   Specification: Condition: Output Current: Adjustable, up to 50A (recommended for use within 45A, current regulation, only works in constant current state.) Output Power: up to 800W (use for a long time is recommended to be used within 600W, please reduce power when using large differential pressure) Working Temperature: -20~+65℃(when the working environment temperature is high, please pay attention to strengthen ventilation and heat dissipation when using) Working Mode: Synchronous Rectification Conversion Efficiency: up to 95% Whether Parallel Connection: Yes, Parallel Expansion Short Circuit Protecting: Yes, constant current value currently set by constant current Input Reverse Connection Protection: Yes Overheat Protecting: Yes, the fan is activated at 40℃, the power output is turned off at 65 ℃, and the temperature is restored to 38 ℃ to automatically restore the output Output Anti-Backflow: None, for charging or motor class, please add a diode to prevent backflow Wiring Method: Terminal Block or Soldering Terminal, VIN is Input, VOUT is Output Module Size: Approx. 140 * 90 * 53mm / 5.5 * 3.5 * 2.1in Mounting Hole Size: Length 130mm, Width 80mm Weight: Approx. 550g / 19.4oz   Package List: