Dimensions are shown in millimeters. LIGHTED PUSH BUTTON SWITCHES 13ALseries 6 mm SQUARE TYPE: 13AL-060 9 mm SQUARE TYPE: 13AL-090 P. C. B. MOUNTING HOLE 11 mm SQUARE TYPE: 13AL-110 CIRCUIT DIAGRAM PART NUMBER AND LED CHARACTERISTIC Forward current reduction rate of LED are 0.40 mA/deg R= ES-VF IF