| Pressure ranges
 | | 20 to 200 Pascal (0.2 to 2.0 mbar) | 930.8 | 
 | 0 |  |  |  |  |  |  | 
| 30 to 400 Pascal (0.3 to 4.0 mbar) | 4 |  |  |  |  |  |  | 
| 50 to 500 Pascal (0.5 to 5.0 mbar) | 3 |  |  |  |  |  |  | 
| 200 to 1000 Pascal (2.0 to 10.0 mbar) | 5 |  |  |  |  |  |  | 
| 500 to 2500 Pascal (5.0 to 25.0 mbar) | 6 |  |  |  |  |  |  | 
| 1000 to 4000 Pascal (10 to 40 mbar) | 7 |  |  |  |  |  |  | 
| Switching contacts
 | gold-plated for low voltages, screw terminals enclosed |  | 1 |  |  |  |  |  | 
| up to maximum 1.0 A (0.4) / 250 VAC, screw terminals enclosed |  | 2 |  |  |  |  |  | 
| up to maximum 1.0 A (0.4) / 250 VAC with 6.3x0.8 mm flat plugs |  | 3 |  |  |  |  |  | 
| gold-plated for low voltages with 6.3x0.8 mm flat plugs |  | 4 |  |  |  |  |  | 
| Fitting method | mounted directly without bracket |  |  | 2 |  |  |  |  | 
| Adjustment knob
 | scale in mbar |  |  |  | 1 |  |  |  | 
| scale in Pascal |  |  |  | 2 |  |  |  | 
| scale in Pascal and inWC |  |  |  | 3 |  |  |  | 
| IP protection category | IP 54 with cable conduit PG-11 |  |  |  |  | 1 |  |  | 
| IP 54 with cable conduit M20x1.5 |  |  |  |  | 2 |  |  | 
| IP 54 with cable conduit NPT1/2” |  |  |  |  | 3 |  |  | 
| IP 00 without cover |  |  |  |  | 4 |  |  | 
| Packaging | bulk packed, 45 pcs. per carton |  |  |  |  |  | 1 |  | 
| bulk packed, folding boxes included |  |  |  |  |  | 2 |  | 
| individually boxed |  |  |  |  |  | 3 |  | 
| Accessories | without accessories |  |  |  |  |  |  | 1 | 
| with S-shaped metal mounting bracket 6402 |  |  |  |  |  |  | 2 | 
| with L-shaped metal mounting bracket 6401 |  |  |  |  |  |  | 3 | 
| with Climaset® 6555 |  |  |  |  |  |  | 4 | 
| with Climaset® 6550 |  |  |  |  |  |  | 5 | 
| with S-shaped metal mounting bracket 6402 and Climaset® 6555 |  |  |  |  |  |  | 6 | 
| with S-shaped metal mounting bracket 6402 and Climaset® 6550 |  |  |  |  |  |  | 7 | 
| with L-shaped metal mounting bracket 6401 and Climaset® 6555 |  |  |  |  |  |  | 8 | 
| with L-shaped metal mounting bracket 6401 and Climaset® 6550 |  |  |  |  |  |  | 9 | 
| with S-shaped snap-on plastic bracket 6482 |  |  |  |  |  |  | A | 
| with L-shaped snap-on plastic bracket 6481 |  |  |  |  |  |  | B | 
| with S-shaped snap-on plastic bracket 6482 and Climaset® 6555 |  |  |  |  |  |  | C | 
| with S-shaped snap-on plastic bracket 6482 and Climaset® 6550 |  |  |  |  |  |  | D | 
| with L-shaped snap-on plastic bracket 6481 and Climaset® 6555 |  |  |  |  |  |  | E | 
| with L-shaped snap-on plastic bracket 6481 and Climaset® 6550 |  |  |  |  |  |  | F |