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.
