CENTERLINE 2500 with ArcShield Technology. 1  Helps to reduce arc flash hazards and provide you with increased protection against internal electrical arcing faults. 2  Provides personnel and assembly protection per IEC/TR 61641:2014. 3  Includes arc-resistant latches on all doors for pressure relief to keep the door latched to the MCC during an arcing fault.
Follow Business Insider: Rob Stothard/Getty. People didn't start using the term smartphone until 1995, but the first true smartphone actually made its debut three years earlier in 1992. It was called the Simon Personal Communicator, and it was created by IBM more than 15 years before Apple released the iPhone.
There was an innovative concept phone created by Apple in the early 1980âs, but it was never produced on a mass scale. It was unrelated to the modern iPhone. Sources. 1  Appleâs Original iPhone, 1983 (Mark Wilson, Gizmodo: July 18, 2007). 2  Appleâs First iPhone Was Made in 1983 (Zachary Sniderman, Mashable: Decemeber 30, 2011).3  Hartmut Esslingerâs early Apple computer and tablet designs (Designboom: December 18, 2012).here was an innovative concept phone created by Apple in the early 1980âs, but it was never produced on a mass scale. It was unrelated to the modern iPhone. Sources. 1  Appleâs Original iPhone, 1983 (Mark Wilson, Gizmodo: July 18, 2007). 2  Appleâs First iPhone Was Made in 1983 (Zachary Sniderman, Mashable: Decemeber 30, 2011).