The CM 4600 uses a 400 W power supply unit with an input rating of 100-240VAC / 6.0 – 3.0A | 200-240VDC / 3.4- 3.2A at 50-60 Hz.
Ensure your power source has sufficient electrical overload protection. In North America, connect the rack to a power source with over-current protection that complies with UL 489. In Europe, the over-current protection must comply with IEC standards.