Piano DIP Switch Low-profile Piano DIP Switches with a Standard Pitch of 2.54 mm for Continuous Mounting. Low-profile design with a height of only 5 mm and a 2.54-mm pitch for continuous mounting. Models available with 2, 4, 6, 8, or 10 poles. Gold-plated twin contacts with slide-type self- cleaning mechanism for high reliability. RoHS Compliant Application Mode setting of MPU Modem Controller of servo motor Coin changer Program controller List of Models Type (color of .