Pressure Switches & Sensors
Ex-VCM / Ex-VNM Negative Pressure Switches
FEMA negative pressure switches detect the pressure difference relative to atmospheric pressure. The "zero" reference point on the scale of the unit corresponds to the relevant atmospheric pressure.
Overview
Ex-VCM / Ex-VNM Negative Pressure Switches detect the pressure difference relative to atmospheric pressure. All data relating to the switching pressure ranges and thus also the scale divisions on the switching devices are to be understood as the difference in pressure between the releant atmospheric pressure and the set switching pressure. The "zero" reference point on the scale of the unit corresponds to the relevant atmospheric pressure.It comes with robust housing made of seawaterresistant die cast aluminium GD Al Si 12.
Features & Benefits:- The Ex-VCM and Ex-VNM series are calibrated for falling pressure.
- This means that the adjustable switching pressure on the scale corresponds to the switching point at falling pressure.
- The reset point is higher by the amount of the switching differential.
- SIL2 according IEC 61508-2
- IBExU12ATEX1040 according to ATEX 2014/34/EU
- IECEx IBE 14.0077
Others
Name
Description
File Size
Date
Size
Sicherheitshandbuch F�R (EX-)DCM, (EX-)DNM, (EX-)DNS, (EX-)VNS, (EX-)VCM, (EX-)VNM, (EX-)DDCM
application/pdf 612.55 KB
7/11/2022
612.55 KB
Pressure switch and thermostat series for explosive atmosphere environment
application/pdf 481.31 KB
7/11/2022
481.31 KB
Name
Description
File Size
Date
Size
Sicherheitshandbuch F�R (EX-)DCM, (EX-)DNM, (EX-)DNS, (EX-)VNS, (EX-)VCM, (EX-)VNM, (EX-)DDCM
612.55 KB
7/11/2022
612.55 KB
Pressure switch and thermostat series for explosive atmosphere environment
481.31 KB
7/11/2022
481.31 KB
Name
Description
File Size
Date
Size
Sicherheitshandbuch F�R (EX-)DCM, (EX-)DNM, (EX-)DNS, (EX-)VNS, (EX-)VCM, (EX-)VNM, (EX-)DDCM
612.55 KB
7/11/2022
Pressure switch and thermostat series for explosive atmosphere environment
481.31 KB
7/11/2022
Product Number
SKUs
Image
SKU
Description
EX-VCM301
Vacuum Pressure Switch to ATEX 2014/34/EU, SPCO; differential not adjustable; setting range: –250 …+100 mbar; switching differential: 2 ... 25 mbar; max pressure: 1.5 bar
EX-VCM4156
Vacuum Pressure Switch to ATEX 2014/34/EU, SPCO; differential not adjustable; setting range: –15 …+6 mbar; switching differential: 0,2 …3,5 mbar; max pressure: 1 bar
EX-VNM111
Vacuum Pressure Switch to ATEX 2014/34/EU, SPCO; differential not adjustable; setting range: –1 …+0,1 bar; switching differential: 10 ... 40 mbar; max pressure: 6 bar
EX-VNM301
Vacuum Pressure Switch to ATEX 2014/34/EU, SPCO; differential not adjustable; setting range: –250…+100 mbar; switching differential: 2 ... 25 mbar; max pressure: 1,5 bar
Image
SKU
Description
EX-VCM301
Vacuum Pressure Switch to ATEX 2014/34/EU, SPCO; differential not adjustable; setting range: –250 …+100 mbar; switching differential: 2 ... 25 mbar; max pressure: 1.5 bar
EX-VCM4156
Vacuum Pressure Switch to ATEX 2014/34/EU, SPCO; differential not adjustable; setting range: –15 …+6 mbar; switching differential: 0,2 …3,5 mbar; max pressure: 1 bar
EX-VNM111
Vacuum Pressure Switch to ATEX 2014/34/EU, SPCO; differential not adjustable; setting range: –1 …+0,1 bar; switching differential: 10 ... 40 mbar; max pressure: 6 bar
EX-VNM301
Vacuum Pressure Switch to ATEX 2014/34/EU, SPCO; differential not adjustable; setting range: –250…+100 mbar; switching differential: 2 ... 25 mbar; max pressure: 1,5 bar
