Ex zone 1 and 21
Polyester resin enclosure
PU foam gaskets
Different actuating elements like push-buttons, selector- or key switches available
Versions with two or three actuating elements available
3 different enclosure sizes
Ex radio command devices available / Ex radio command devices Ex RF BF 80

Technical Data
StandardsEN 60079-0, EN 60079-1,
EN 60079-7, EN 60079-18,
EN 60079-31; EN ISO 13849-1
Enclosureglass-fibre reinforced polyester resin
Degree of protectionIP 66 to IEC/EN 60529
Switching systemslow action, positive break NC contacts
ConnectionScrew connection terminals, max. 6 mm² (incl. conductor ferrules), serial/connection clamps max. 4 mm²
Ambient temperatureT6: –40 °C … +40 °C,
T5: –40 °C … +55 °C,
–50 °C … +60 °C on request
B10d (10 % Load)6050
TMmax. 20 years
Mechanical life50 000 operations
Temperature classT6 / T5
Impact energymax. 7 J
Contact element
Ie/Ue400 V / 4 A
Utilisation categoryAC-15
Signalling device LM
Illuminated push-button LDT
Ue12 … 240 V
Power consumptionmax. 1 W
Frequency0 … 60 Hz
Ex markingII 2G Ex de IIC T6 Gb
II 2D Ex tb IIIC T80 °C Db IP66
IECEx Ex de IIC T6 Gb
Ex tb IIIC T80 °C Db IP66