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.
2000sEdit. 1  2000 â Symbian becomes the first modern mobile OS on a smartphone with the launch of the Ericsson R380. 2  2001 â The Kyocera 6035 is the first smartphone with Palm OS. 3  2002 Microsoft's first Windows CE (Pocket PC) smartphones are introduced. 4  2005 â Nokia introduces Maemo OS on the first Internet tablet N770.