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The MSD silo pressure detector is used for the control of overpressure in silos and bins that are filled with a pneumatic filling system. It is an important extension module of the silo-safe-systems.


Product features

  • A lot of security for little money
  • Suitable for use in potentially explosive dust and/or gas atmospheres.
  • High reliability
  • Maintenance-free continuous operation
  • Easy installation
  • No supply energy necessary
  • Different process connections including flanged sockets

Technical data

Signal contact
change-over contact, potential free
Switching voltage
24V…250V AC oder 12V...125V DC
with GasEx Ui < 30V (intrisic safe)
Switching capacity
4A / 250V AC
with GasEx Ii < 0,1A (intrisic safe)
Bulk goods temperature
-25 °C … +80 °C
Ambient temperature
-20 °C … +70 °C
Process pressure
-100 mbar … 100 mbar
ATEX approval
ATEX II 1/2D Ex ta/tb IIIC T80°C
DustEx and GasEx
ATEX II 1/2D Ex ta/tb IIIC T80°C and II 2G Ex ib IIB T6
Switching point
40 mbar = 0,04 bar = 400 mm WS
Overpressure safety
up to 0.5 bar
Process connection
Aluminium or stainless steel
Housing IP66
Stainless steel
Mounting position