Emerson Network Vertiv eSure Rectifier Module R48-3500e3

The 3500W high-efficiency eSure? rectifier (model R48-3500e3) is designed to convert standard AC supply voltages into stable nominal -48 V DC voltage that is adjustable to application needs. The R48-3500e3 is a constant power rectifier designed with the latest patented switchmode technology, using DSP (Digital Signal Processor) functionality for efficient operation. For a higher load capacity, rectifiers can be connected in parallel and intelligent control can be added with the help of a separate controller.

The rectifier default factory output voltage is 53.5V. 

- Once power is applied to the rectifier and the rectifier is recognized by the controller, the output voltage is updated to the setting programmed into the controller. 

- If communications with a SCU+ controller are lost, the rectifier output voltage goes to a default value programmed into the controller (this is a separate programmable parameter from the output voltage setting). 

- If communications with an ACU+ or NCU controller are lost, the rectifier output voltage goes to the last communicated float output voltage setting in the controller (the last communicated float output voltage setting is stored in the rectifier). 

- The rectifier will revert to normal operation once normal communication to the controller is restored.