A3D A3D Dimensions Note: All units are in millimeters unless otherwise indicated. Rectangular Models (A3DJ) Square Models (A3DA) Round Models (A3DT) 9 dia. 7.4 dia. Terminals Panel Cutouts (Top View) Solder Terminals of SPST-NO Lighted Models Terminal Arrangement (Bottom View) Rectangular models (A3DJ) 8 +0.2 0 dia. 15 min. Square models (A3DA) and round models (A3DT) 8 +0.2 0 dia. 10 min. 10 min. 0.8 2 LED terminal (t0.3) Note: Recommended panel thickness: 1.0 to 3.2 mm. Note: Recommended panel thickness: 1.0 to 3.2 mm. Accessory Mounting Dimensions Socket Mounting Dimensions Wire-wrap Terminal A3D-4101 PCB Terminal A3D-4102 Solder Terminal A3D-4103 9 dia. 9 dia. PCB Cutout (bottom view) Four, 0.8 dia. 26 9 dia.