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TPCDIO17 is output module as signalling accessory. This functional module is auxiliary contact for Gen start and alarm signal. The rated operational current(Ie) is 5A @250VAC/30VDC. The start signal prevent dry cranking of the engine by requiring the generator set to reach proper output. It can be run for the duration of the cool down setting, when the normal source restores and load is retransferred to normal. The alarm signal output inform user in case of a critical alarm including phase rotation/transfer failures/Micro-switch all closed/ internal error happened. The capacitor is for time delay engine start that will run before genset start no matter with or without external 24VDC.