No one needs to be told how much time, effort and of course money accompanies the systems needed to keep a business running smoothly. Ensuring that pricey electrical equipment, servers and security systems that drive production remain operational is no longer a secondary task. It is a critical business function, and even a matter […]
In industrial facilities, electronic equipment is frequently used for motor control and most machines are PLC controlled. This use of electronic equipment has increased electrical enclosure heat loads because of the high heat dissipation characteristics of electronic equipment. At the same time, electronic equipment is susceptible to malfunction if allowed to get too hot, […]
If you want to extend the life of expensive electrical equipment and keep it running efficiently for years to come, you need to consider thermal management solutions that are reliable. As you know, thermal management is becoming more and more critical as many components and control panels have higher heat loads than in the […]
High power components can be divided into two groups, those that are electro-mechanical and those that are electronic. These devices are expected to handle a significant amount of power and generate a lot of heat. Typical applications where components generate high temperatures include motion control and downhole drilling. The heat generation of electronic components […]
Your electrical equipment needs to be sheltered from harsh environments and extreme conditions. Electrical enclosures do a great job of keeping the electronics shielded from contaminants, such as dirt or moisture. But what about the heat produced by the equipment themselves? Choosing the right cabinet cooling system will help decrease unplanned maintenance by keeping […]
When Is the Ambient Temperature Too Hot to Rely on Air to Air Heat Exchangers for Enclosure Cooling?
When you are looking for an efficient method for enclosure cooling, a heat exchanger is a good solution for a few different reasons. Not only is a heat exchanger energy efficient, but it allows you to maintain a completely closed loop enclosure cooling solution. The way a heat exchanger operates is by employing a […]
When you require enclosure cooling for your sensitive electronic equipment, dealing with the outdoor elements can complicate things slightly. Without the constant ambient environment present as in most indoor facilities or the shelter provided by the building to shield the enclosure from precipitation and other outdoor elements, the enclosure can be subjected to much more […]
The use of electrical equipment has revolutionized the electrical industry by reducing costs and making sophisticated electrical control systems practical. Examples include variable frequency drives, PLCs, and electrically controlled circuit breakers.
If you are a project or maintenance engineer needing to purchase enclosure cooling systems, it is important that you spend time preparing a detailed specification before initiating an inquiry. This relatively simple task will ensure you get a cooling system that will meet your needs with appropriate approvals. Here are some tips for writing […]
The pervasive use of electronics in control systems requires not only technical maintenance of functionality and software, but it raises the priority of temperature control inside electrical enclosures to the top of your to-do list.
Understanding the NEC Hazardous Location Option: Class 1, Div 2, Groups A, B, C, and D, for Enclosure Cooling Systems
Electrical control panels, working in busy industrial applications, serve as the nerve center for many businesses. They are a critical piece of equipment that can ring up some expensive downtime if they are not monitored, maintained and cooled properly. Most of the enclosures that house electrical control panels find themselves in hot and dusty areas, […]
Depending on who you might speak with, more than 100,000 new materials have been developed over the last 50 years. If the task facing you involves material selection for electrical components working in an industrial application, that job could be complicated to say the least.
Electrical components in an environment containing chemical vapors and dusts are subject to corrosion, and as a result equipment malfunction or failure is more prone to happen. Even gold and silver plated connectors and contacts are affected as porosity allows contaminants, especially in high relative humidity conditions, to attack the underlying metals.
The market for custom cabinet or enclosure air conditioners is growing as applications become more unique, such as pole mounted heavily loaded electrical cabinets, mobile equipment, and electrical control panels in dusty areas with intense solar radiation.
Unlike a residential cooling system, an enclosure air conditioner must accommodate special situations. The sometimes harsh environments where electrical enclosures are located make it necessary to ensure that the air conditioner protects the components inside beyond just cooling the cabinet. Some examples include:
Enclosure cooling systems are used for a broad range of applications in many types of industries. While every use of an enclosure air conditioner is important, some require unfailing reliability. When this is the case, certain solutions are used to ensure constant operation, including back-up power supplies and other redundant systems that prevent failure […]
The closed loop cooling cycle of an Air to Air Heat Exchanger makes it right for many applications where cooling solutions such as fans are unsuitable or when air conditioners are undesirable due to their larger size, higher noise levels and greater energy consumption.
When an enclosure air conditioner is located outdoors or in an environment that is not temperature controlled, it usually has to work harder in the summer months to maintain the desired internal temperature. Because it will be running more frequently than usual, it will need more regular maintenance to ensure proper operation.
Environmental and climate conditions can negatively affect electrical enclosures in several ways. Beside the negative effects of excessive heat, dust and dirt, and the formation of corrosion is an issue that can plague enclosures. Corrosion doesn’t form without a reason; excessive condensation is most often the primary contributor to the formation of corrosion within enclosures. […]
To the outsider, the food and beverage industry operates in a benign and clean environment. Although this assumption is largely true, it requires that facilities are rigorously cleaned and high standards of hygiene maintained. Cleaning processes include the use of chemical disinfectants and washdowns to prevent pathogens accumulating on any surface. Since the introduction of […]
Almost everyone involved in the maintenance of electrical enclosures has, at one time or another, faced problems with overheated electrical enclosures. In most instances, the obvious solution was to install or upgrade the cabinet cooling fan only to find that it didn’t work too well. Here are some reasons why the obvious solution may not […]
UL stands for Underwriters Laboratories in the United States, and the initials UL represent their mark of approval. UL has laboratories in several other countries, and in Canada their mark of approval is cUL. Underwriters Laboratories belongs to a group of nationally recognized testing laboratories; organizations that are accepted by authorities having jurisdiction (AHJs) in […]
Many of the requirements found in the National Electric Code (NFPA 70) specify that electrical equipment to be installed in non-hazardous industrial facilities, such as wastewater treatment plants, food processing plants, and data centers, must be listed or labeled by UL or another standards testing agency.
As electrical components become increasingly smaller and are more densely packed into electrical control panels, the amount of heat generated inside cabinets continues to increase. When considering heat dissipation in control panels it’s important to note what electrical equipment manufacturers specify as a maximum allowable operating temperature for their components. Maintaining a maximum internal control […]