UEB Red 0-30V 2mA-3A Continuously Adjustable DC Regulated Power Supply DIY Kit Short Circuit Current Limiting Protection High quality DC regulated power supply whose output voltage is continuously adjustable from 0 to 30V. Including a circuit to limit output current which enables output current to be continuously adjustable from 2mA to 3A. Provide current limiting, LED display, over load and short circuit protection. Input Voltage: 24V AC;Output Voltage: 0-30V (continuously adjustable) Input Current: Max 3A;Output Current: 2mA-3A (continuously adjustable)