Model 54 is a high-performance alternative to readily available consumer-grade potentiometers with push-pull and rotary switches.
August 23, 2011 — Bourns announced Model 54 industrial-grade panel control with a push-pull switch and rotary switch. It is a high-performance alternative to readily available consumer-grade potentiometers with push-pull and rotary switches. Developed to match the requirements of a broad range of industrial applications, the panel control models are particularly well-suited for use in test and measurement and communications equipment. The models measure 12.5 mm and feature metal bushings and shafts, splash seals and a wide range of linear and audio resistance tapers.
Rotational life is 50k cycles with contact resistance at 100 mΩ.. Model 54 is priced at $6.95 in 1,000 pc quantities