DatasheetVacuum switches for Ex-applications. Degree of Ex-protection: Ex II 2G Ex d e IIC T6 Gb and Ex II 1/2D Ex ta/tb IIIC T80 oC Da/Db
For monitoring vacuum of non-aggressive liquids and gaseous media.
| Kind of pressure | vacuum, relative | ||||||
| Pressure connection | internal thread G1/4, external thread G1/2 | ||||||
| Electrical connection | terminal connection M16x1,5 | ||||||
| Protection class | IP65 | ||||||
| Housing material | rugged housing of seawater resistant aluminium die casting GD Al Si 12. | ||||||
| Media temp. | -20 … 60 oC | ||||||
| Media temp. limit | Higher temperatures are possible, provided that the limit is safeguarded by suitable measures (e.g. water tube trap, see Accessories for Pressure Switches / Transmitters) | ||||||
| Ambient temperature | -20 … 60 oC | ||||||
| Ambient temp. limit | at temperatures below 0 oC, ensure that no water condensation can arise in the sensor and in the switching device | ||||||
| Switch function/capacity | SPDT Microswitch 250 Vac; capacity 2 A inductive, 3 A resistive | ||||||
| Certificates |
|
| Pressure adjustment range | Switching differential | Max. pressure | Sensing element material | Type |
|---|---|---|---|---|
| mbar | mbar | bar | ||
| -15 … 6 | 2 | 1 | Perbunan + 1.4301 | EX-VCM4156 |
| -250 … 100 | 25 | 1.5 | Copper + Brass | EX-VCM301 |
| -250 … 100 | 45 | 3 | 1.4104 + 1.4571 | EX-VNM301 |
| -1000 … 100 | 45 | 3 | Copper + Brass | EX-VCM101 |
| -900 … 500 | 50 | 3 | Copper + Brass | EX-VCM095 |
| -1000 … 100 | 50 | 6 | 1.4104 + 1.4571 | EX-VNM111 |
| Description | Additional Product Type |
|---|---|
| Syphon for high temperature, steel, U-shape (for more accessories, see Accessories for Pressure Switches / Transmitters) | U430B |