| Manufacturer | MENTOR |
| Switch accessories | button |
| Symbol | Related items | Dimensions | Key button colour |
|---|---|---|---|
| 1240.0031 | 1240.6241, 1240.6251, 1240.6541, 1240.6551 | Fig. 1. | black |
| 1240.0041 | 1240.6241, 1240.6251, 1240.6541, 1240.6551 | Fig. 1. | grey |
| 1446.0202 | 1446, 1840, 1845, 1852 | Fig. 2. | red |
| 1446.0203 | 1446, 1840, 1845, 1852 | Fig. 2. | black |
| 1446.0204 | 1446, 1840, 1845, 1852 | Fig. 2. | grey |
| 1446.0206 | 1446, 1840, 1845, 1852 | Fig. 2. | blue |
| 1446.0207 | 1446, 1840, 1845, 1852 | Fig. 2. | yellow |
| 1446.0208 | 1446, 1840, 1845, 1852 | Fig. 2. | green |
| 1840.0021 | 1446, 1840, 1845, 1852 | Fig. 3. | red |
| 1840.0031 | 1446, 1840, 1845, 1852 | Fig. 3. | black |
| 1840.0061 | 1446, 1840, 1845, 1852 | Fig. 3. | blue |
| 1840.0071 | 1446, 1840, 1845, 1852 | Fig. 3. | yellow |
| 1840.0081 | 1446, 1840, 1845, 1852 | Fig. 3. | green |
| 1849.0031 | 1849.1031 | Fig. 4. | black |