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.
The first concept for an iPhone type device came about in 2000 when Apple worker John Casey sent some concept art around via internal email, he called it the Telipod - a telephone and iPod combination. It was Apple co-founder, Steve Jobs who directed Apple's engineers to develop a touch screen, mobile phone. Jobs at first was considering an Apple tablet computer, that desire eventually manifested in the iPad, and Apple had already produced a palm device with a touch screen, the Newton MessagePad.