Fema DCM Series Assembly And Operating Instructions Manual page 32

1. Basic equipment of the pressure monitors
Chapter 1 describes the basic equipment and the installation of the pressure monitors (without any
additional function). Chapters 2–7 deal with versions and additional functions.
1.1 Technical Data (not for Ex versions)
Switch
Single-pole changeover
Switching capacity
8 (5) A, 250 V AC
Installation position
Vertical and horizontal
Max. ambient temperature
–25 to 70 °C
Max. medium temperature
70 °C, higher medium temperatures are possi-
ble if the above limiting values at the switching
device are not exceeded by suitable measures
(e. g. water pocket tube). At ambient tempera-
tures below 0 °C, ensure that no water conden-
sation can arise in the sensor and in the
switching device.
Switching difference
For values see data sheet
Pressure connection
External thread G | A (pressure gauge connec-
tion) according to DIN 16 288 and internal
thread G [ according to ISO 228, Part 1.
(For gas applications internal tread permissible
only up to 4 bar. Use flat gasket ring for
pressure > 4 bar.
Switching device
Sturdy housing made of sea-water resistant
aluminium die casting with plug connection
(200) or terminal connection (300).
Degree of protection acc. to EN 60 529
IP 54 (housing 200)
IP 54 (housing 300)
Materials
see data-sheet
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