DC Power Supply Variable, 30V 10A Bench Power Supply with 4-Digits LED Display ，Adjustable Switching Regulated Power Supply with Encoder Coarse & Fine Adjustments Knob, with USB，Output Enable - LONGWEI, 3010M-USA

• ✅【Higher Sensitivity & Precision】This 30V 10A Programmable Bench Power Supply has a high resolution of 0.01V and 0.01A.It is designed for for cb radio power supply, Lab Power Supply ，Teaching Supplies，Work Bench ，Electronic Projects. Encoder switch is used on LONGWEI 30V 10A dc power supply version to replace the potentiometer switch which is widely used but not easy to adjust. On this version you can just “set” Voltage and Current instead of “adjust”. Make works accuracy, easy and fast. ✅【High-Quality & Multiple Protections】LONGWEI 30V 10A variable power supply use premium electronic components, provide reliable working status and prolong the product life effectively.The Power Supply comes with over-voltage, over-current, over-power, over-heat, short-circuit, five powerful protection function. In addition, the power supply variable displays voltage, current and power simultaneously and the keyboard can be locked to avoid misoperation. ✅【Output Switch Control】- Sometimes we need to switch between different voltage or current outputs, but we often forget to unplug the previous instrument and cause to burn out, which often occurs in the maintenance. Output switch is designed to solve this problem. By pressing the On/Off key, the required voltage and current can be adjusted without the actual output power, which makes this benchtop DC power supply more secure and more energy efficient. ✅【OCP & short circuit protection 】When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. ✅【USB Interface & With Wide compatibility】Front 5V/2A USB interface: This 30V 10A Programmable adjustable power supply could charge the device which you want to repair. if you have any technical problem, please contact us directly.