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1. Basic Equipment of the Pressure Monitors / Pressure Limiters
The following applies to all switches:
All switching and reset points must be
within the limits of the specified setting
range given in the technical data sheet.
Switch
Single-pole changeover
Switching capacity
8 (5) A, 250 V AC
Installation position
Vertical to the top and horizontal
Max. ambient temperature
–25 to 70 °C (DWR...)
–25 to 60 °C (DGM...)
Max. medium temperature
70 °C (DGM: 60 °C). Higher medium tem-
peratures are possible if the above
limiting values at the switching device are
not exceeded by suitable measures (e.g.,
water pocket tube). At ambient tem-
peratures below 0 °C, ensure that no
water condensation will occur in the
sensor and in the switching device.
MU2B-0264GE51 R0220G
Switching differential
Values: See data sheet.
Pressure connection
External thread G ½" A (pressure gauge
connection) according to DIN 16288 and
internal thread G ¼" according to
ISO 228, Part 1.
For gas applications, internal thread
permissible only up to 4 bar. Use flat
gasket ring for pressure > 4 bar.
Switching box
Sturdy housing made of seawater-resis-
tant aluminum die casting with plug con-
nection (200) or terminal connection
(300, 500) and Ex-housing (700).
Degree of protection as per EN60529
IP 54 (housing 200)
IP 65 (housing 300, 500 and 700)
Materials
See data-sheet.
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