RSP Switching Power Supplies MEAN WELL RSP Switching Power Supplies are AC/DC low profile enclosed switching power supplies. These power supplies feature a 1U low profile, high efficiency of up to 90%, and free air convection cooling. This makes the MEAN WELL RSP series ideal for applications requiring energy savings, no noise, limited space for installation, and economical cost. Functions include PFC, remote ON/OFF control, and protection against short circuit, overload, overvoltage, and overtemperature damages.