P11S/P11A Modular Panel Potentiometers Vishay / Sfernice P11S Modular Panel Potentiometers and P11A Conductive Plastic Elements have a 12.5mm square single turn panel control with five shaft diameters and 29 terminal styles. The potentiometers feature rotary and push/push options and have the capability of up to 21 indent positions. The components feature low current compatibility, 50K cycle lifespan, and IP64 Sealing level. The P11S potentiometers are versatile, modular, and compact, ideal for use in industrial, military, and aeronautics applications. The P11A versions are for professional audio applications.