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Voltage variations of the power supply that are out of allowable range, due to inrush currents and other influences (originating from sources other than the Sepam units) can provoke multiple and successive power cycles (starts/stops) of the Sepam device. This can induce finally the thermal failure of the internal protective fuse.
Effectively Sepam energizing provokes inrush current which overheats the fuse. Multiple and successive starts/stops of Sepam avoid do not allow the proper cooling of the fuse and lead it to burn out.
Re-published to revised security level: 17 June 2008 by DRM
Applies To: Sepam 1000+ (Sepam Series 20 and Sepam Series 40)
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