Honeywell by FEMA
The Honeywell vacuum switches of the VCM series are suitable for the safe operation of a vacuum system. These switches detect the pressure difference relative to atmospheric pressure.
Technical data of the vacuum switches VCM series
|Pressure Connection ||External thread G 1/2 (pressure gauge|
connection) according to DIN 16 288 and
internal thread G 1/4 according to
ISO 228 Part 1.
|Switching Device||Robust housing (200) made of seawater|
resistant die cast aluminium GD Al Si 12.
|Protection class||IP 54, in vertical position.|
|Pressure sensor materials|
VNM111, VNM301: Metal bellows: 1.4571,
Sensor housing: 1.4104
VCM095, 101 and 301: Metal bellows of CuZn,
Sensor housing of CuZn
VCM4156: Perbunan diaphragm sensor housing: 1.4301
|Mounting position||Vertically upright and horizontal.|
VCM4156 vertically upright.
You can find further technical data of the VCM vacuum switches in the documentation .
e.g. VCM301, VCM4156