6ES5930-7AA22 SIEMENS

A 12V 4A AC Adapter Charger is a power supply device designed to convert alternating current (AC) from a wall outlet to direct current (DC) at 12 volts and 4 amps. It is commonly used to power or charge various electronic devices such as LED strip lights, monitors, routers, and other equipment that require a 12V DC input. This adapter typically includes a power cord with a standard plug for connecting to an AC outlet and a DC output connector for attaching to the device being powered. It ensures stable and efficient power delivery, often featuring built-in safety protections against overvoltage, overcurrent, and short circuits.