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Contactors (Full Lecture)

In this lesson we'll introduce the contactor, the principal interaction point between the control and power aspect of an electrically controlled system using motors. We'll learn to identify the power contacts, the coil, and auxiliary contacts on both the schematic and representative examples and discuss the purposes and function of each. Additionally, we'll discuss auxiliary contact blocks, armatures, contact carriers, shading coils, mechanical interlocks, and coil and contactor specifications and construction, utilization categories and sizing, means of extinguishing arcs, and contrast general purpose electrically held contactors with mechanically held contactors and solid state contactors. ___________________ If you wish to support this project please visit the Patreon page at:   / bigbadtech   ___________________ Copyright information: Use this lecture. Use it at home, at work, or at school. Put it in a playlist, embed it in a website, share it with your coworkers, family, friends, and enemies. I made this lecture and posted it on YouTube so users everywhere have free access to this information. This being said, this YouTube channel is meant to be the sole point of distribution for this lecture. Users are not authorized to download it, change it, or charge for access. Don’t even think of downloading it and uploading to your own channel and pretending it’s your own work. Not cool. Use this lecture and let your friends know this free resource exists. Use it. Don't steal it. Be cool. __________________ For more FREE online technical training check out the following playlists available at the bigbadtech channel: DC Circuit Analysis    • DC Circuit Analysis   Single Phase AC Circuit Analysis    • Single Phase AC Circuit Analysis   3 Phase AC Circuit Analysis    • 3 Phase AC Circuit Analysis   Hydraulics    • Hydraulics and Electrical Control of ...   Pneumatics    • Pneumatics   Motor Control    • Motor Control   Motors and Generators    • Motors and Generators   Motor Drives/Variable Frequency Drives (VFD)    • Motor Drives   Programmable Logic Controllers (PLCs)    • Programmable Logic Controllers (PLCs)...