About the 805403-3R
The 805403-3R functions within the Reliance Automax series as a field power module. This unit is a single-phase unit that may have, at one time, been sold under company names ABB or Bald-Reliance. This unit is now in legacy status and cannot be sourced from the OEM. We do our best to keep this unit in stock and ready to ship to you.
The 805403-3R is a controlled power bridge designed with all the suppressors, feedback elements, and power devices that are needed to control a motor or generator field in a Distributed Power System environment. This unit has four SCRs built as a full-wave power bridge. The unit also provides snubber protection. It also has DC output current monitoring through a Hall effect device.
This unit is controlled through the PMI processor in the PMI rack and the UDC module in the Automax rack. This is a reversing 15 amp module.
The 805403-3R is designed to be grounded to the mounting cabinet and the control panel. The top of the 805403-3R includes two power entry grommets. The bottom of the unit includes circulation openings to allow for heat exchange. This part of the unit also has a 14-pin connector. The unit is 127 mm deep, 128 mm wide and 340 mm tall.
More information about the 805403-3R can be sourced through Reliance user guides and manuals. AX Control can typically get this part on its way to you within a few hours. Local customers are welcome to arrange for pick up at our location.