A3A A3A Dimensions Note: 1. All units are in millimeters unless otherwise indicated. 2. The illustrations below show switches with solder terminals, without a flange or leaf spring. Non-lighted Model Square Pushbutton SPDT SPST-NO Square push-button 8.9 × 8.9 Round Pushbutton Round push-button 15.2 Three, t0.4 terminals Two, t0.4 terminals 8.9 dia. Surface Illumination Model Square Pushbutton SPST-NO SPDT Square push-button 8.9 × 8.9 Surface illumination Round Pushbutton Round push-button 15.2 Three, t0.4 terminals Two, t0.4 terminals 8.9 dia. Surface illumination Two, t0.3 LED terminals Two, t0.3 LED terminals Accessories (Order Separately) Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. Leaf Spring A3A-200 Flange (Square) A3A-24j Flange (Round) A3A-25j 12.7 dia. 9.1 dia. 12.7 9.1 9.1 12.7 t = 0.3 1.0 1.0 215