Check the listing for details. Potter & Brumfield 210-4A Solid State Module. Condition: New. Listed at 56.00 USD. The Potter & Brumfield 210-4A Solid State Module is a part designed for use in semiconductor and PCB manufacturing equipment. Specifically, it is a component for pick and place machines and SMT equipment. This module is manufactured by the reputable brand Potter & Brumfield, known for producing high-quality parts for the electronics industry. The model number 210-4A indicates a specific design that is likely specialized for certain types of equipment or processes within PCB assembly.