MEAN WELL PD-45B Power Supply Meanwell

( Brand: Mean Well ), ( Part Type: Supply ), ( Manufacturer Part Number: PD-45B )

Review MEAN WELL Meanwell Power Supply

The Meanwell PD-45-B is a versatile and high-performing power supply unit (PSU) designed for various applications, particularly in the field of audio equipment, laboratory instruments, and test equipment. This Meanwell power supply delivers a continuous output power of 45 watts with an input voltage range of 90-264 volts AC, making it suitable for use in both domestic and international environments.

The PD-45-B is a switched-mode power supply, ensuring that it is compact and efficient. Its dimensions are 142mm (W) x 82mm (H) x 31mm (D), allowing it to fit easily into most equipment enclosures. The PSU boasts a high efficiency level of up to 90%, which not only reduces energy waste but also keeps the operating temperature low.

This Meanwell power supply features an adjustable output voltage of 12V, 15V, 18V, 24V, or 36V, depending on the specific application requirements. The output voltage can be easily adjusted using a single rotary knob or dip switches, providing flexibility and convenience.

The PD-45-B comes with various safety features to ensure reliable operation and protection against potential hazards. These safety features include over-voltage protection, under-voltage protection, short-circuit protection, and thermal protection. These safeguards help prevent damage to the connected equipment and the power supply itself.

Additionally, the PD-45-B offers a universal AC input with active PFC (Power Factor Correction), which ensures that the PSU complies with various international energy regulations and ensures stable voltage levels. The PSU also includes a DC output connector, a detachable IEC power cord, and a protective silicone sleeve to prevent damage during transportation or installation.

In summary, the Meanwell PD-45-B is a feature-rich, efficient, and versatile power supply unit that caters to a wide range of applications. Its compact size, adjustable output voltage, and robust safety features make it an ideal choice for various industries and applications.

The Meanwell PD-45B power supply is a popular choice for various electronic projects due to its high efficiency, reliability, and versatility. Here are some pros and cons that may help you decide whether to purchase this power supply:

1. High Efficiency: The PD-45B power supply has an efficiency of up to 94%, which means that most of the electrical energy is converted into output power and less is wasted as heat.

2. Wide Input Voltage Range: This power supply can accept input voltages ranging from 90V to 264V AC, making it suitable for use in different regions and electrical systems.

3. Overvoltage and Overcurrent Protection: The PD-45B power supply has built-in protection against overvoltage and overcurrent, which can help prevent damage to connected equipment.

4. Compact Size: With dimensions of only 120mm x 85mm x 42mm, this power supply is relatively small and can be easily integrated into most electronic projects.

5. Low Noise: The PD-45B power supply operates quietly, making it ideal for use in applications where noise levels need to be kept low.

1. Cost: Compared to some other power supplies in its class, the Meanwell PD-45B can be relatively expensive.

2. Lack of Short Circuit Protection: This power supply does not have built-in protection against short circuits, which can be a concern for some users.

3. Limited Output Voltage Range: The PD-45B power supply can only output voltages between 0V and 45V, which may not be suitable for all electronic projects.

The Meanwell PD-45B power supply is a high-quality and reliable power supply that offers a wide input voltage range, high efficiency, and low noise operation. However, it can be relatively expensive and does not have built-in protection against short circuits. If you need a power supply with a wider output voltage range or short circuit protection, you may want to consider other options.

If you are looking for a high-efficiency and reliable power supply for your electronic project and are willing to pay a premium, the Meanwell PD-45B power supply is an excellent choice. However, if you need a power supply with a wider output voltage range or short circuit protection, you may want to consider other options such as the Meanwell LRS-350-24 or the Ultra LSP-500-AC-D.

Details:

The MeanWell PD-45B Power Supply is a reliable and efficient switching mode power supply manufactured by the reputable brand MEAN WELL. 5/3.2A 24/1.2A. Designed for industrial and commercial use, this power supply unit provides stable consistent output various electrical equipment systems. With its high-quality components and advanced technology, the MeanWell PD-45B is a trusted choice for businesses looking dependable power supply solution.

part #: pd45b prices

• $13.40-$18.24

specifications strialpower:

• brand: Mean Well
• part type: Supply
• manufacturer part number: PD-45B

seller strialpower:

• # reviews: 2707
• city: Temple, New Hampshire
• rating: 97.7%

shipping strialpower:

• class: Expedited
• service: USPS Priority Mail
• transit: 4-9 Days
• carrier: USPS
• type: Calculated
• cost: $12.74

returns strialpower:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Buyer

offer strialpower:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: December 29, 2025
• quantity: 2

general strialpower:

• condition: New
• Electrical Equipment Supplies > Power Supplies > Switching Mode Power Supplies

payments strialpower:

• credit card: Mastercard
• other
• wallet: Paypal

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