GRAYHILL 61C11-01-08-02 Incremental Rotary Encoder, Optical, With Pushbutton, 16.6rpm, 11 Detents, 5 VDC, Quadrature

The 61C11-01-08-02 is a standard Optical Encoder with tin-plated phosphor bronze board terminals and data entry pushbutton switch activated by switch shaft. The quadrature coding optical encoder has reinforced thermoplastic shaft and bushing. Optically coupled for more than a million trouble-free rotations. Compatible with CMOS, TTL and HCMOS logic. Operationally used to move display icon and input data. Used to set radio frequency, drill depth and RPM.