Ac Dc 220v 12v Power Supply 12V DC 10A 120w Switching Power Supply

# CP-120-12 AC-DC Switching Power Supply – Product Description The **CP-120-12 Switching Power Supply** is a compact, metal-enclosed AC-to-DC power supply designed to provide a stable 12V DC output with a rated current of 10A and a maximum output power of 120W. It features a wide AC input voltage range, high efficiency, low ripple and noise, and built-in protection against overload, overvoltage, and short circuits. The unit includes an EMI filter to help reduce electrical interference and a soft-start function to limit AC input inrush current. Its compact design and lightweight construction make it suitable for various industrial, electronic, automation, and general-purpose DC power applications. Each unit is specified to undergo a 100% aging test for quality assurance. ## Key Features - Universal AC input with selectable 110V/220V input range - Input frequency: 47–63Hz - Regulated 12V DC output, rated at 10A - Maximum rated output power: 120W - High efficiency: 82% - Low ripple and noise: 80mVp-p - Adjustable DC output voltage: ±10% - Short-circuit and overload protection - Overvoltage and overtemperature protection - Soft-start function to reduce AC input inrush current - Built-in EMI filter to help reduce electrical interference - Compact metal-enclosed design - 100% aging test as specified by the manufacturer ## Technical Specifications | Parameter | Specification | |---|---| | Model Number | CP-120-12 | | Product Type | AC-DC Switching Power Supply (SMPS) | | DC Output Voltage | 12V | | Rated Output Current | 10A | | Output Current Range | 0–10A | | Rated Output Power | 120W | | Output Voltage Tolerance | ±1% | | Ripple and Noise | 80mVp-p | | DC Voltage Adjustment | ±10% | | Input Voltage Range | 85–132V AC / 170–264V AC | | DC Input Range | 240–370V DC | | Input Frequency | 47–63Hz | | AC Input Current | 6.5A at 115V / 4A at 230V | | Efficiency | 82% | | Cold-Start Inrush Current | 25A at 115V / 50A at 230V | | Leakage Current | Less than 3.5mA at 240V AC | | Setup/Rise/Hold-Up Time | 50ms (as specified) | | Overload Protection | 105%–135% of rated output power | | Overvoltage Protection | 115%–135% | | Overtemperature Protection | Rectifier temperature ≥80°C | | Fan Control | ON at ≥55°C; OFF at ≤45°C | | Operating Temperature | −10°C to +60°C | | Operating Humidity | 20%–90% RH | | Input-to-Output Withstand Voltage | 1.5kV AC | | Input-to-Ground Withstand Voltage | 1.5kV AC | | Output-to-Ground Withstand Voltage | 0.5kV AC | | Insulation Resistance | 100MΩ at 500V DC | ## Protection and Safety The power supply incorporates protective functions intended to help protect the unit and connected equipment from short circuits, overloads, excessive output voltage, and high internal temperatures. The specified overload and overvoltage protection modes cut off the output and provide automatic recovery. Actual protection performance should be confirmed against the manufacturer's datasheet. ## Applications - Industrial automation and control systems - Electronic equipment and DC-powered devices - LED lighting and electronic accessories - Laboratory and testing equipment - General-purpose 12V DC power applications **Important:** Verify the input-voltage selector setting before connecting the unit to the mains. Confirm the manufacturer's specifications and safety certifications before using it in critical equipment.