C6097 · Edition 01.19 15
Project planning information
4.2.2 UL, FM certified pressure switches
4
1
1
/
8
" NPT
¼"
NPT
Positive pressure Connect Free
C6097 1 4
Negative pressure Connect Free
C6097 4 1
Differential pressure
Connect
for the higher
absolute pressure
for the lower absolute
pressure
C6097 1 4
Port 4 is connected to the micro switch chamber.
For this reason, pipes carrying gas must not be con-
nected to port 4!
If necessary, port 4 (1/8" NPT) can be used to connect
the venting line.
A filter pad at port 4 protects the electrical contacts in
the pressure switch from dirt particles in the surround-
ing air or in the medium.
4
IP
65
If port 4 is at the top, IP 65 will not be satisfied.
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