Utilizing sealed, non-contacting Hall Effect sensor in polyamide housing, Model CTI-TW can deliver up to 5 million operations and was developed for thumb-operated applications requiring proportional movement. Unit is available in Spring Return to Center, Spring Return to Side, and Friction Hold mechanical configurations. All come in 3 electrical output styles of 0.5–4.5 Vdc, 1.0–4.0 Vdc, and 0.0–5.0 Vdc. Regardless of sensor configuration, thumbwheel comes prewired with 4 in. leads.