The compact type 521 pressure switch is based upon the Huba Control developed thick film technology where the pressure measuring cell is fully welded.
Switching points set in factory are available both N/C and N/O function. Various electrical and pressure connections are available to suit given applications.
Liquids and gases
0 ... 2.5 – 600 bar
8 ... 100% fs
5 ... 97% fs
typ. < 0.3% fs
Swift connector
M12x1
Inside thread or outside thread
| Product | Pressure mode | Measuring range | Sealing material | Application | Output / power supply | Electrical connection | Pressure connection | Pressure orifice | Material pressure connection | Pressure range variation |
|---|---|---|---|---|---|---|---|---|---|---|
| 521 | 9 | 14 | S | 0 | 1 | 0 | 0 | 0 | N | |
| 521 | 9 | 14 | S | 0 | 1 | 0 | 0 | 0 | N | W |
| 521 | 9 | 14 | S | 0 | 1 | 0 | K | 0 | N | |
| 521 | 9 | 14 | S | 0 | 1 | 0 | K | 0 | N | W |
| 521 | 9 | 14 | S | 0 | 1 | 0 | K | 0 | 1 | |
| 521 | 9 | 14 | S | 0 | 1 | 0 | K | 0 | 1 | W |
| 521 | 9 | 14 | S | 0 | 1 | 0 | K | 2 | N | |
| 521 | 9 | 14 | S | 0 | 1 | 0 | K | 2 | N | W |
| 521 | 9 | 14 | S | 0 | 1 | 0 | K | 2 | 1 | |
| 521 | 9 | 14 | S | 0 | 1 | 0 | K | 2 | 1 | W |
