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27th September 2023 News

The commercial refrigeration transportation industry relies heavily on the efficacy and reliability of the power supply system provided due to the nature of the perishable goods being transported. Central to this efficiency is the U-frame power supply. This article provides a comprehensive overview of the significance of these power supplies. We’ll delve into the intricacies of U-frame power supplies, enlighten you on their advantages in refrigeration transport, and offer a balanced analysis of enclosed versus open-frame units.

What is a U-Frame Power Supply Unit?

A U-Frame power supply unit is installed into a printed circuit board (PCB) in a U-shaped chassis usually made of Aluminium. This setup makes it popular for use in thermal management. This is an alternative to an open-frame power supply unit that has a much more rugged construction and a simpler mounting process.

How a U-Frame PSU Makes Refrigeration Portable

U-frame power supply units are the choice of components for commercial refrigeration enterprises relying on dependable power supply for temperature control and preservation. Our 600W Enclosed AC/DC Medical Power Supply Unit (Fig 1)is resilient and powerful enough to be used in portable refrigeration systems in trucks and trailers. Its dimensions are 101.6 x 203.1 x 40.6mm and weigh just 1kg, making it ideal for portable use, with the ability to operate at an ambient temperature as low as -40°C, it is sure to handle your refrigeration unit’s climate. This model is even used in static models that are designed to cope with the high-pressure environment of a restaurant kitchen.

Fig 1. 36LMF600-20B24 600W Enclosed AC/DC Power Supply

The Pros and Cons of Enclosed and Open-Frame Power Supply Units

U-frame power supply units can be used in both enclosed and open-frame settings, each with its own benefits and drawbacks. Open-frame power supplies allow for better airflow and cooling, which is important in refrigeration applications where the equipment is running constantly.

On the other hand, enclosed power supplies are more compact and inexpensive, making them ideal for transportation applications, creating a dichotomy that makes them a source of pain for portable refrigeration unit manufacturers. But, enclosed power supplies make it more difficult to repair and replace parts. Ultimately, the final choice of which is the superior type is a matter of personal preference.

Other applications for U-Frame power supplies include Industrial automation devices such as sensors, Medical devices such as MRI Machines and Dialysis machines, Base stations used in telecommunications and Photovoltaic devices such as turbines and solar inverters.

High-quality power supply units are Ideal Power’s speciality, and we offer an extensive range of efficient and reliable PSUs to fit a diverse array of electrical products at competitive prices. Use our comparison tool to create a shortlist and evaluate the various options. It allows you to select up to four power supply units and have all the relevant information – from power output and efficiency to input voltage and certification standards – on one single page. This ensures you find the most suitable PSU for your needs. No matter where in the world your product ends up, you can be confident in the knowledge that our units conform to all relevant safety standards and regulations. To request a quote or for more details, connect with our sales and technical experts today.

Ideal Power is the UK’s premier storefront for high-quality electrical components, and we offer an extensive range of efficient and reliable enclosed, open-frame or U-frame power supply units to fit a diverse array of electrical applications.

A handy tool to help you make the right choice is our shortlist feature. It allows you to select up to four power supply units; giving you all the relevant information – from power output and efficiency to input voltage and certification standards – on one single page. This ensures you find the most suitable U-frame PSU for your needs. No matter where in the world your product ends up, you can be confident in the knowledge that our units conform to all relevant safety standards and regulations. To request a quote or for more details, connect with our team today.


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