About the 40FR4042
The 40FR4042 is a FlexPak 3000 40 HP DC Regenerative Drive. It was initially created by Reliance Electric and possibly sold by ABB or Baldor Reliance. This series of drives have been discontinued by these companies, but AX Control still attempts to keep them in stock as refurbished or new surplus stock items.
The 40FR4042 has an input of 50/60 Hz, 63A, 460 VAC and is 3-phase. It has an output of 240/500 VDCs and 73A. It has a DC field rating of 150/300 VDC and 15A. It has a torque in rating of 120 lbs. It has a 10 kiloamp short circuit rating. This drive is 10.65” wide, 18.79” tall, 12.23” thick and it weighs roughly 58lbs. A maximum of three of these drives can be used on the same transformer.
The 40FR4042 has an open style-chassis. There are optional kits that are available that can convert this chassis into a NEMA 1 or a NEMA 12 enclosure. On top of the drive are a series of three semiconductors and wiring that leads to the internal components of the drive. On the bottom of the drive is an external fan assembly that helps to ensure air is circulating through the internal circuitry. The front of this drive has a display and keypad. The display is an LCD that provides many different features. It has extensive diagnostics, drive status indicators, parameter value displays, multi-language text options, and a “Quick Start” option. There is a panel on the back and brackets on the bottom of the drive that can be used to mount it.