Allen-Bradley 800H-UR34 Potentiometer Unit Motor Speed Control

The Allen-Bradley 800H-UR34 Potentiometer Unit is a 30 mm panel-mount potentiometer module that serves as the manual speed-reference input for Allen-Bradley 800H motor speed controllers, enabling precise, operator-adjusted drive settings from the control panel. This UR34 variant is the 15 kΩ model with a linear taper and a 2.25-watt rating, and its replacement catalog number is 24752-221-13. Within the 800H family, UR34 provides a compact, front-access knob interface for setting motor speed in panel installations where a knob-adjustable input is required. Typical applications include manual speed adjustment for low- to mid-power drives in automation lines such as material handling, packaging, or conveyor systems, where repeatable control of motor speed improves process stability. Verified listings from Rockwell-affiliate catalogs and distributors identify 800H-UR34 as the 15 kΩ, linear-taper potentiometer unit compatible with 800H speed-control assemblies, distinguishing it from other values in the UR-series by its resistance value and power rating.