Product description 30-90V DC Step-Down Specification Input DC 30-90V Output DC 24V 20A (max) Watertightness IP68 Operating temperature -20°-65° Storage temperature -40° to 85° Input connector Red (+) Black (-) Output connector Yellow (+) Black (-) Protection Short circuit protection, over temperature protection, over current protection DC Voltage Regulator Safety Manual 1. The load connected to the output of the power regulator should not be higher than the maximum load power, any higher load will cause damage to the power regulator. 2. If the ambient temperature is too high, the power should be reduced accordingly, and the stability of the power supply should be higher when operating at low temperatures.
3. Do not use the device near a heat source such as fire or heater. 4. Do not connect the input cable to the 220 V household mains. 5. Do not place the appliance near a fire or heater. 6. Do not allow non-professionals to disassemble and service the appliance. 7. The input voltage should not exceed the fluctuation range that the converter can withstand. 8. The output power of the converter must be greater than the power required by the connected devices. 9. The positive and negative leads must not be reversed.