Features:
Module Properties: non-isolated step-down module (BUCK)
Rectification: synchronous rectification
Input Voltage: DC 24V (DC 17-35V)
Output Voltage: DC 12V
Output Current: 20A, 240W
Conversion rate: up to 90%, Low heat
Test reference:
Input 28.2V 4.54A 128W, Output 11.5V 10A 115.0W, Conversion rate 115/128=89.8%
Soft start time: about 500mS
Output ripple: 50mV (MAX) 20M Bandwidth
Operating temperature: Industrial grade (-40 °c to +85 °c) (ambient temperature exceeds 40 °c, please low power use, or to enhance heat dissipation)
Full load temperature rise: 50 ℃
Load regulation: ± 1%
Voltage regulation: ± 2%
Dynamic response speed: 5% 200uS
Input Reverse Polarity Protection: None ( please series a diode at the input port )
Aluminum case: Waterproof, Earthquake, Moistureproof
Protection: Short-circuit protection, overcurrent protection, automatic recovery after troubleshooting
Dimension: 74 x 74 x 32 mm

Applications:
Buses, CMB, Large trucks, EMU, Solar Power, Bus LED Display, Taxi advertising screen, Taxi radio Without interference, Car audio, LCD TVs, LED, Intercom and monitoring systems.

Please Note:
please pay attention to the connection. the input polarity can not reversed
please make sure the input power is enough
please pay attention to the heatsink when high power use. it is better to limit a certain current margin

Package include:
1x DC Buck Converter