| Model | Push button |
| Material housing | Plastic |
| For Ex-zone gas | 1, 2 |
| For Ex-Zone dust | 21, 22 |
| Type of element | Button with indication 20V–250V AC/DC |
| Marking | Ex d e IIC Gb U |
| Degree of protection | 20 |
| Cross-section of connected conductors | 2 X 2,5 sq. mm |
| Electrical characteristics | 20V–250V AC/DC |
| Temperature range | From –60 to +60 °C |
| Control element | Contacts |