The MEAN WELL PS-45-48 is a 45W single - output switching power supply with the following features6:
Electrical Specifications
Input Voltage: It accepts a universal AC input in the range of 90 - 264VAC, which allows it to be used in various power supply environments.
Output Voltage and Current: The output voltage is 48VDC, and the rated output current is 1A, with a rated output power of 48W. The output voltage can be adjusted within the range of 45.6 - 52.8V.
Efficiency: The efficiency is 78%, which is relatively high, helping to reduce energy consumption and heat generation.
Protection Functions
It is equipped with protection mechanisms against short - circuits, overloads, and over - voltages. This ensures the safety of the power supply and the connected equipment in case of abnormal conditions.
Cooling Method
It adopts free air convection cooling, which means it operates silently without the need for a cooling fan. This not only reduces noise but also enhances the reliability and reduces maintenance costs.
Operating Temperature Range
The power supply can operate in a temperature range of - 10°C to 60°C, but derating may be required depending on the specific operating conditions.
Dimensions
The dimensions are 127mm×76mm×28mm (L×W×H), which is compact and suitable for installation in various devices and equipment.
Warranty
MEAN WELL offers a two - year warranty for this product, demonstrating its confidence in the product quality and providing users with good after - sales support.
Approvals
It has approvals such as CE, CB, and RCM, which indicates that it meets relevant international safety and EMC standards.