Offline Converters (OLC) Description Offline converters are directly connected to the grid via a general purpose outlet (GPO). Generally the voltage can range from 85 to 265VAC with a frequency variation of 45 to 65Hz. The output of these devices is DC with a choice of voltages between 1.5 to 400VDC. Popular output voltages include … Continue reading Offline Converters (OLC)