The C220M is a refurbished Dell 300-Watt power supply. It is compatible with the Dell PowerConnect 8024F switch and is designed to provide reliable power to the device. The power supply operates on a voltage range of 100-240V and has a frequency range of 47-63Hz. It is a switching power supply type, which is commonly used in computer systems and networking equipment. Refurbished power supplies have undergone testing and repairs to meet the standards of the refurbisher. It is always recommended to verify compatibility and condition details before purchasing or installing a power supply in your system.