Honeywell Fema DCM-203-574 Series Assembly And Operating Instructions Manual page 76

8. Testing Principles and Safety Information for Ex-de and Ex-t
Switching differential
Not adjustable, approximate values see
data sheet
Fitting position
Vertically, facing upwards
36
8.3 Electrical Data
Connection plan
The terminal board can be accessed after
the protective casing has been removed.
After connecting the supply lines, the
protective casing should always be
reattached.
Fig. 20. Connection layout
With increasing pressure, 3-1 will be
interrupted and 3-2 will be closed.
Electrical ratings of SPDT
microswitch
Voltage rating
up to 250 VAC
MU2B-0238GE51 R0616D