1336R-PRE-VB078-AA

The Allen Bradley part number 1336R-PRE-VB078-AA is classified as a line regeneration precharger, focusing on enhancing energy recovery during braking operations. With its rated current of 78.2 A and power output of 62.3 kW, it provides robust performance in demanding applications. This precharger operates efficiently at input voltages ranging from 380 to 480 VAC, supporting both 50 and 60 Hz frequencies, catering to various industrial power systems.

Built for durability, it carries an enclosure rating of IP20 (NEMA 1), ensuring adequate protection in indoor environments. Cooling is facilitated through a forced air method, which maintains optimal operating conditions for the unit. The input phase requirement is 3-phase, delivering stability and reliability during operation.

Its control interface is parameter programmable, allowing for customization to meet specific application needs. The default operating mode harnesses regenerative braking capabilities to recuperate energy, making the system more efficient. Additionally, the active line regeneration type enhances the regenerative process, contributing to overall energy savings.

A notable feature of this precharger is its inrush current limiting function, which effectively manages the initial surge of current when the system engages. With a typical efficiency rating of 97%, this precharger stands out as a reliable component for regenerative energy applications, helping to optimize power usage across various setups.