DIN 43700, is a specification by the Deutsches Institut für Normung for nominal front- and cut-out dimensions of measurement and control instruments for panel mounting.
| spec | cutout size |
|---|---|
| 1/2 DIN | 5.40" x 5.40" [138 mm x 138 mm] |
| 1/4 DIN | 3.64" x 3.64" [92 mm x 92 mm] |
| 1/8 DIN | 3.64" x 1.78" [92 mm x 45 mm] |
| 1/16 DIN | 1.78" x 1.78" [45 mm x 45 mm] |
| 1/32 DIN | 0.874" x 1.77" [22.5 mm x 45 mm] |