It gives clearance for devices that produce heat, including Variable Frequency Drives and Programmable Logic Controllers among others. UL: The UL 508A control panels are designed to meet the Underwriters Laboratories (UL) standards. The planning and construction of an industrial control panel isn’t complete without meeting various regulations: Meeting the Regulatory Standards of Control Panel Design. Improper configuration won’t only result in machinery malfunction but will also pose an unnecessary risk to the operators. Proper wiring is required, and the equipment must adequately be integrated into the machine. Remember that the process isn’t as simple as selecting the appropriate enclosure and back panel to house the electrical hardware. It’s also recommended to have a clear table of contents since a proper schematic entails many different elements and lays the foundation for the process of developing the actual control panel. After these considerations, drawings are created which outline the specific circuits, wiring, controls, and other aspects of the configurations. In doing so, you minimize delivery delays and unresolved physical issues discovered during testing or production. This should be done until all potential issues have been eliminated. When drawing up the schematic outlook, alternately evaluate the physical and electrical problems. Here’s a guide to help you in making an informed decision:Ī reliable control panel design includes both electrical and physical requirements. When you first put your requirements on paper, they seem unorganized, which is acceptable. Understanding control panel design is a crucial process that helps ensure what you want is what you get. With simple designs, panel control and maintenance are easy, and so production is less costly. Although cost is an essential consideration, so are an attractive appearance, reliable operation, and operator controls. Industrial control panel design basics are easy to grasp. Proper Labeling and Technical Ratings limit risks and verify that standards are met.Periodic Audits ensure that manufacturers employ consistent techniques in order to meet UL508A requirements.UL Certified Components certify that UL508A enclosures include only quality, tested controls.Third-Party Certification provides evidence that the enclosure meets nationally recognized safety standards.What are the Benefits of UL508A Control Panels?īenefits of choosing enclosures that carry the UL 508A certification include, but are not limited to the following: Enclosure Environmental Control Devices.UL also has general requirements for all enclosures convering: It means that the panel, it's electrical contents and construction each meet the UL 508A standard. IMPORTANT: A panel that carries a UL508A certified mark does not mean that the completed control panel has been tested to UL 508A standards. They also work with them to achieve a global design, hence eliminating the need for multiple variants. Therefore, engineers certified for the UL 508A standard advise their clients on how to design products with UL compliance. This mark is important to electrical and municipal inspectors along with the panel purchaser. UL 508A certification is a directive for the industrial control panel covering components, SCCR, wiring, and more. What is the UL 508A Standard for Control Panels? It also comes with related control circuit devices, provided with interconnecting wiring and terminals. According to the official definition by Underwriters Laboratories (UL), an industrial control panel is an assembly of two or more pieces of industrial control equipment. Other related control devices include pushbutton stations, timers, switches, terminal blocks, and pilot lights, among others. It comprises overload relays, motor controllers, circuit breakers, and fused disconnect switches. What are Industrial Control Panels?Īn industrial control panel is an assembly of standard and systematic arrangement of various components. Before we delve into the control panel design considerations, let’s look at some of the basics. The goal of this paper is to introduce you to these design considerations and the UL 508A Standard. Starting with a robust control panel design, you can begin to better manage your business. Unfortunately, many industrial operational technology departments have lagged in managing new threats. Industrial control systems are regularly under attack, yet they play a very crucial role in any manufacturing business.
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