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  3. MEAN WELL Q-120B

MEAN WELL Q-120B Power Supply

Q-120b Mean Well Power Supply

( Brand: Mean Well ), ( Manufacturer Part Number: Q-120B ), ( Type: Power Module ), ( Unit Type: Unit ), ( Color: Silver )

Review MEAN WELL Power Supply

The Mean Well Q-120B is a high-performance, compact, and versatile DC power supply designed for various applications, including laboratory equipment, test instruments, and industrial automation systems. This power supply is manufactured by Mean Well, a leading brand known for its high-quality and reliable power supplies.

The Q-120B is a switch-mode power supply that can output a continuous current of up to 120 Watts at 12 Volts or 60 Watts at 24 Volts. It features an adjustable output voltage from 0 to 15.6 Volts at 12 Volts output or 0 to 28.8 Volts at 24 Volts output, making it suitable for a wide range of applications that require different voltage levels.

The power supply boasts several safety features, including over-voltage protection, over-current protection, short-circuit protection, and over-temperature protection, ensuring safe and reliable operation. It also comes with an over-voltage lockout function, which prevents the output voltage from returning to the dangerous level after an over-voltage condition.

The Q-120B has an efficient design with a high power factor of 0.9 and low harmonic distortion of less than 15%, making it an excellent choice for applications where energy efficiency and low electromagnetic interference are critical. It also has a quiet operation with a fan that only turns on when necessary to keep the power supply cool.

The power supply comes with an easy-to-use front panel interface that includes a digital display for voltage and current readings, a rotary potentiometer for output voltage adjustment, and a push button for output voltage selection. It also has a remote on/off function and a remote sense input for temperature compensation, allowing for flexible installation options.

The Q-120B is enclosed in a rugged and compact aluminum housing with dimensions of 112mm (W) x 98mm (D) x 43mm (H) and a weight of approximately 1.3 kg. It has a wide input voltage range of 85-264Vac, making it suitable for use in various power supply environments. Additionally, it comes with a standard IEC320 C13-C14 power cord and a detachable 5mm x 3.5mm DC output connector, allowing for easy replacement or customization.

In summary, the Mean Well Q-120B is a high-performance, versatile, and reliable DC power supply that is suitable for various applications where safe, efficient, and flexible power is required. Its adjustable output voltage, safety features, efficient design, and easy-to-use interface make it an excellent choice for laboratory equipment, test instruments, industrial automation systems, and other applications where a dependable power source is essential.

The Mean Well LQ-120B is a popular choice for those in need of a high-performance, compact power supply. Here are some pros and cons to help you make an informed decision:

Pros:

1. High Efficiency: The Mean Well LQ-120B has an efficiency rating of up to 93%, which can save you money on electricity bills in the long run.

2. Compact Size: With dimensions of only 120mm x 82mm x 42mm, this power supply is highly portable and can fit easily into most projects.

3. Wide Input Voltage Range: The LQ-120B can accept an input voltage range of 100V to 240V AC, making it suitable for use in various countries.

4. Overcurrent Protection: The power supply features overcurrent protection, which can help prevent damage to connected components in case of a short circuit.

5. Universal Output: The LQ-120B offers a universal output of 12V/5A, which can power a wide range of devices and projects.

Cons:

1. Lack of Multiple Outputs: The LQ-120B only offers a single output, which may not be suitable for projects requiring multiple power sources.

2. Limited Overload Capability: The power supply has a maximum output power of 60W, which may not be sufficient for high-power applications.

3. No Short-Circuit Protection: Although the LQ-120B has overcurrent protection, it does not have built-in short-circuit protection.

4. Relatively Expensive: The Mean Well LQ-120B is more expensive than some other power supplies with similar specifications.

Conclusion:

The Mean Well LQ-120B is a high-performance, compact power supply that offers a wide input voltage range, high efficiency, and overcurrent protection. However, it may not be suitable for projects requiring multiple power sources or high-power applications. Ultimately, the decision to purchase the LQ-120B depends on the specific needs of your project and your budget.

Recommendation:

If you're looking for a high-efficiency, compact power supply for a project that requires a single output of 12V/5A, the Mean Well LQ-120B is a great option. However, if you need multiple power sources or higher power output, it may be worth considering other power supplies with multiple outputs or higher wattage. Additionally, if you're on a tight budget, there may be other power supplies that offer similar specifications at a lower price point.

Details:

Mean Well Q-120B Power Supply.

part #: q120b price

  • $94.00

specifications powsuppy:

  • brand: Mean Well
  • mpn: Q-120b
  • type: Power Module
  • unit type: Unit
  • color: Silver

returns powsuppy:

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

shipping powsuppy:

  • type: Calculated
  • class: Standard, One-day
  • carrier: UPS
  • service: UPS Ground, UPS Next Day Air
  • transit: 3-7 Days
  • cost: $15.29

general powsuppy:

  • Computers/Tablet's Networking > Computer Components Parts > Power Supplies
  • condition: Used

payments powsuppy:

  • wallet: Google-pay
  • credit card: Visa
  • other

seller powsuppy:

  • rating: 99.6%
  • # reviews: 4356
  • city: Richardson, Texas

offer powsuppy:

  • sold: 0
  • best offers: True
  • options: Ship-to-home
  • started: July 17, 2025
  • quantity: 5
  • availability: In Stock
type: power module, unit type: unit,
category: computers > computers/tablets networking > computer components parts > power supplies, color: silver, sku: 8120837777723762,

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