2755-NB40 W
Allen Bradley Adaptscan 2755-SN5 w/ 2755-NB40
This Allen Bradley potentiometer turns smoothly and stays where you set it.
Allen Bradley 2755-NB40 Ser A Rev B Adaptascan w/ Power Cord *FREE SHIPPING*
This unbranded unit is a great basic option for routine jobs.
Allen-Bradley 2755-NB40 Wiring Base for Adaptascan Series A (used)
What stands out about Allen Bradley is the tactile feel of their selector switches.