... disconnect switch : 1.Passed ISO9001,ISO14001,ISO/TS16949 2.Rotational life : 100000 cycles 3. Brand: ALPS Rotary encoder Potentiometer and switch ... produce rotary encoder, potentiometer and switch.rotary encoder,potentiometer and switch for musical instruments, audios,medical equipment ... , and other electronic equipment and household appliances.High quality, long rotary life Passed ISO9001,ISO14001, ...