| Hole diameter, mm | 30.6 |
| Number of switch positions | 2 |
| Number of command positions | 2 |
| Unlocking method | None |
| Spring-return | Yes |
| Diameter cap | 39 |
| Type of button | Flat |
| Width opening, mm | 30.6 |
| Height opening, mm | 30.6 |
| Colour front ring | Natural colour |
| Material front ring | Plastic |
| Colour button | Red/green |
| Degree of protection (IP), front side | IP66 |
| Type of element | Double. Stateless |
| Marking | Ex e IIС Gb U; Ex tb IIIC Db U |
| Degree of protection | 66 |
| Color | Green & red |
| Temperature range | From –60 to +60 °C |
| Control element | Push-button |