Allen-Bradley 2107B-BDBD-21-40CA-98 Variable Frequency Drive

Allen-Bradley 2107B-BDBD-21-40CA-98 is a Centerline 2100 MCC variable frequency drive module, configured as NEMA Size 1 with a 7.5 HP rating. This particular part is Series Q and is listed as refurbished under the 2107B-BDBD-21-40CA-98 designation. In the Centerline 2100 MCC lineup, Size 1 covers 0.125 to 7.5 HP, making it suitable for small‑ to mid‑size AC motor control within a centralized MCC. As a VFD module, it enables precise speed and torque control of motors inside an industrial motor control center, supporting smoother starts and energy‑efficient operation in automation lines. The part number denotes a specific configuration in the 2100 family compatible with other 2100/2107B components in the same series, intended for replacement or upgrade within an existing MCC. Note that exact installation details, wiring, and accessory compatibility depend on the overall MCC configuration; consult Rockwell Automation documentation for wiring and safety requirements.