In 2007, UL amended the 1008 standard for safety covering Automatic Transfer Switches by allowing transfer switches to be tested for longer than 3-cycles (.5 sec). This helped simplify selective coordination when implementing a transfer switch, the heart of your system, into your design.This presentation will focus on 4 main factors, why/when do you need a short time rated switch, how does it affect my design, and what are the risks?

ABOUT THE SPEAKER
Westmore Bowman graduated from New Jersey’s Institute of Technology with a BS in Electrical Engineering and a minor in Aerospace. He has been working for ASCO as a Field Sales Engineer since 2014.