14
Installation
5.6 Operations monitoring (option)
A pressure switch can be installed on the side of the support to monitor the oil
pressure of the rotary vane pump during operations. By pressure drop and when
the pump is at rest, the contact of the pressure switch opens. The signal can be
used to control external valves:
Fig. 10: Circuit diagram, pressure switch for operating fluid monitoring
Switching voltage:
5 ... 250 Volt (potential free)
Maximum current:
2 Amp.
Protection type:
IP 55
1 + 2 NO switches = open without
pressure
1
2
