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0-30V 2MA-3A Adjustable DC Regulated Power Supply DIY Kit for Short Circuit Current Limit Protection

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Features 1.It is the first choice for enthusiasts and even professional manufacturers for doing a variety of circuit experiments. 2.Although the switching power supply with high efficiency, small size advantages, but inevitably residual high-frequency interference, and linear power supply because of its very low interference and good isolation. 3.This circuit is a high-quality, continuously adjustable regulated power supply with a voltage regulation range of 0-30V. It also includes a current output limiting circuit to effectively control the maximum output current from 2mA to 3A continuously adjustable. 4.It can limit the current in the experimental circuit of the typical maximum operating current, boldly turn on the power, do not worry about failure or installation errors caused by high current damage to the experimental circuit. 5.They are all in-line components, installation, maintenance simple and convenient. 6、The output voltage is easy to adjust. The output current limit state is indicated by an LED. 7、When the output current exceeds the limit current automatically switches to constant current mode, the overload or failure to provide complete protection. Specification Condition: 100% Brand New Item Type: Regulated Power Supply Board Color: Red Input Voltage: 24V AC (maximum) Input Current: 3A (maximum) Output Voltage: 0-30V continuously adjustable Output Limiting Current: 2mA-3A continuously adjustable Output Voltage Ripple: 0.01% (maximum) PCB Size: Approx.84x84mm/3.31x3.31in Circuit Adjustment: 1. Set the voltage adjustment potentiometer to a small position (turn counterclockwise to small), adjust RV1 (100K adjustable resistor) so that the output voltage is 0V. No adjustment is required for large output voltage, use 24V AC input, large output The voltage is about 31V. 2. Output limit current setting: determined by the position of the current potentiometer, 10V voltage, 10 ohm load resistance, adjust the current potentiometer to make the LED just light, at this time the current potentiometer is at the 1A position, the circuit changes to constant current At this time, adjust the voltage potentiometer, you can see that the voltage will not continue to rise, and the current is maintained at the current limit of 1A. Package List 1 x Regulated Power Supply Board 1 x Set of Plug-in Metal Film Resistor 2 x Resistance Identification Card 1 x Set of Plug-in Electrolytic Capacitor + Cement Resistance + Terminal + Governor 1 x Set of SCR + IC + Cable + Ceramic Capacitor + Monolithic Capacitor 2 x Connector

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