Technical details System pro M compact®
Technical details System pro M compact®
Technical details System pro M compact®
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<strong>System</strong><strong>pro</strong> M compact ®<strong>Technical</strong> <strong>details</strong>OVR Surge Protective DevicesSPDsSURGE PROTECTIVE DEVICES OVR RANGETerminology of SPD electrical characteristics10/350 and 8/20 impulse wavesI10/350Type 1 Surge ArrestersI imp: current waveµs10/350 wave:Current waveform which passes through equipment when subjected to an overvoltage due to adirect lightning strike.Type 1 surge arrester:Surge arrester designed to run-off energy caused by an overvoltage comparable to that of a directlightning strike. It has successfully passed testing to the standard with the 10/350 wave (class Itest).I8/2011Type 2 Surge ArrestersI max: current waveµs8/20 wave:Current waveform which passes through equipment when subjected to an overvoltage (lowenergy).Type 2 surge arrester:Surge arrester designed to run-off energy caused by an overvoltage comparable to that of an indirectlightning strike or an operating overvoltage. It has successfully passed testing to the standard withthe 8/20 wave (class II test).11/80 ABB