Tecnichal data
| Suitable for push button | Yes |
| Suitable for illuminated push buttons | Yes |
| Suitable for indicator light | Yes |
| Suitable for signalling lamp | Yes |
| Suitable for selector switch | Yes |
| Width | 29.7 mm |
| Height | 39.7 mm |
| Colour | White |
| Text font size | Standard text/symbols |
| Legend text/symbols | I – O – II |
| Snap-in legend plate and frame | 30×40 mm legend plate and frame |
| Color | White with Black legend text |
| Engravable | Yes |
| Suitable for mushroom head push button | Yes |
| Construction type | Flat |
| Language or symbol | Blank or custom text |
