Fema DWR Série Instructions De Montage Et De Service page 39

7. Pressure monitors in EEx-d version Ex-DWR..., Ex-DGM...
Ex-pressure monitors must be supplied in the form that has been tested according to ATEX.
Versions and additional functions are basically not possible.
7.1 Technical data of the Ex switching device
Type of Ex-protection
EX II 2 G D EEx de IIC T6 IP65 T80°C
Ex approval
PTB 02 ATEX 1121
Ex-Zone
Compatible for zones 1 and 2, 21 and 22
Form of protection
IP 65 (vertical position)
Ambient temperature
–15 to +60 °C
Max. temperature at pressure switch
60 °C
Max. medium temperature
for pressure switches
60 °C.
Higher medium temperatures are possible if
the appropriate measures (e.g. water sack pipe)
are taken so that the above mentioned ranges
are not exceeded on the switch.
Cable entry
M 16 x 1,5
For fixed installation only
Switching difference
Not adjustable, approximate values see
data sheet
Fitting position
Vertically upwards
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