Three motor-protection relay units allow users to select the range of protection that best fits their application requirements. The basic unit, the F3I, guards against current surge, phase loss, and phase unbalance. The F31T offers protection against overheating, and the FWIT covers overheating and phase-reversal protection. Technical user guide includes information on operating principles including current surge, asymmetry and phase fault, overtemperature, and phase order. Product specifications are listed and a chart is included on protection functions.
The Space Kid, 11, will be one of the first civilians to have his design manufactured in space by NASA, thanks to the City X Project, which inspires kids to think about new 3D-printed inventions that could be useful for humans living in space.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.