... 100000 cycles 3. Brand: ALPS Rotary encoder Potentiometer and switch use for Sound Instruments, car amplifier, DVD player ... We produce rotary encoder, potentiometer and switch.rotary encoder,potentiometer and switch for musical instruments, audios,medical equipment, ... , long rotary life Passed ISO9001,ISO14001,ISO/TS16949 Mechanical characteristics:Total rotational angle: 360°Rotational torque: 60 ...