IEC 61204 pdf download.Low-voltage power supply devices, d.c. output – Performance characteristics 1 General 1.1 Scope and object This international Standard describes a method for specifying requirements for low-voltage power supply devices (including switching types) providing d.c. output(s) up to 200 V d.c. at a power level of up to 30 kW, operating from a.c. or d.c. source voltages of...