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What is a UL power supply?
UL recognition is for all system components down to the board level, so a “UL Recognized” power supply will normally include components that themselves need UL recognition. These could include “X” and “Y” capacitors and any component that crosses a safety isolation barrier or whose failure could cause a hazard.
What are the standards for PSU?
The IEC 60950 standard which relates to power supply compliance, is including IEC 62368-1 to incorporate hazard and performance-based considerations.
What is difference between UL and ULC?
There are several types of UL and ULC Marks. The ULC Mark may be only used on or in connection with products certified by ULC and under the terms of written agreement with ULC. The UL Mark may be only used on or in connection with products certified by UL and under the terms of written agreement with UL.
What is the difference between UL and UR?
UL Recognized Component: A product with the “Recognized Component” mark is also issued by UL. The mark seen as “UR / RU” is UL’s mark for certified products that are intended to be used inside of other devices, and as a single component is not equal to that of a final UL Listed marked product.
What kind of Transformers does CSA Group Test?
CSA Group’s experienced team is known across North America and internationally for testing a broad spectrum of transformers and power supplies, including air-cooled transformers (dry-type), low-voltage transformers, autotransformers, and reactors.
What does CSA stand for in UL certification?
It is called CSA which originally stood for Canadian Standards Association. Now, CSA is a private testing body. When a product is certified by UL using the Canadian standards (CSA Standards), the product will have a C-UL certification mark expressing its conformity to the CSA Standards.
What is CSA listed and when do electrical products need?
It is certified for use with the U.S. These items are listed in accordance with the National Fire Protection Association (NFPA) Standard NFPA 70, and the National Electrical Code (NEC). Other times, you may find the CSA mark with a “C” on one end and a “US” on the other.
Who is the leader in Transformers and power supplies?
CSA Group is a leader in the development of standards for a range of transformers and power supply products. Many of our standards are harmonized with others to encourage broader adoption, as well as great sustainability and safety for employees and consumers. Access the standards you need to compete in the competitive global energy market.