| Manufacturer part number (MPN) | 3SU1050-1HB20-0AA0 |
| EAN / GTIN | 4011209946323 |
| Sales unit | pcs |
| Product brand name | SIRIUS ACT |
| Product designation | EMERGENCY STOP mushroom pushbuttons |
| Design of the product | Actuating/signaling element |
| Product type designation | 3SU1 |
| Product line | Metal, shiny, 22 mm |
| Number of command points | 1 |
| Design of the actuating element | positive latching |
| Principle of operation of the actuating element | latching |
| Product extension optional — light source | No |
| Product extension optional — contact module | Yes |
| Color — of the actuating element | red |
| Material of the actuating element | plastic |
| Shape of the actuating element | round |
| Outer diameter of the actuating element | 40 mm |
| Type of unlocking device | rotate-to-unlatch mechanism |
| Number of switching positions | 2 |
| Product component front ring | No |
| Product function — positive opening | Yes |
| Product function — EMERGENCY OFF function | Yes |
| Product function — EMERGENCY STOP function | Yes |
| Protection class IP | IP66, IP67, IP69(IP69K) |
| Degree of protection NEMA rating | 1, 2, 3, 3R, 4, 4X, 12, 13 |
| Shock resistance — according to IEC 60068-2-27 | sinusoidal half-wave 15 g / 11 ms |
| Vibration resistance — according to IEC 60068-2-6 | 10 ... 500 Hz: 5 g |
| Operating frequency maximum | 600 1/h |
| Mechanical service life (operating cycles) typical | 300 000 |
| Reference code according to IEC 81346-2 | S |
| General technical data — Net Weight | 92 g |
| Product function suitable for safety function | Yes |
| Service life maximum | 20 a |
| Test wear-related service life necessary | Yes |
| Proportion of dangerous failures — with low demand rate according to SN 31920 | 20 % |
| Proportion of dangerous failures — with high demand rate per NC contact according to SN 31920 | 20 % |
| Proportion of dangerous failures — with high demand rate per NO contact according to SN 31920 | 50 % |
| B10 value with high demand rate according to SN 31920 | 100 000 |
| Failure rate [FIT] with low demand rate per NC contact according to SN 31920 | 100 FIT |
| Device type according to ISO 13849-1 | 3 |
| Safety device type according to IEC 61508-2 | Type A |
| T1 value for proof test interval or service life according to IEC 61508 | 20 a |
| Ambient temperature — during operation | -25 ... +70 °C |
| Ambient temperature — during storage | -40 ... +80 °C |
| Shape of the installation opening | round |
| Mounting diameter | 22.3 mm |
| Positive tolerance of installation diameter | 0.4 mm |
| Mounting height | 45.3 mm |
| Installation width | 40 mm |
| Installation depth | 26.3 mm |
| Hole diameter | 22.3 mm |
| Colour button | Red |
| Unlocking method | Turn-release |
| Diameter cap | 40 mm |
| Type of button | High |
| With lighting | No |
| Width opening | 40 mm |
| Height opening | 45.3 mm |
| Degree of protection (IP) | IP67/IP69K |
| Construction type lens | Round |
| Country of origin | Germany |
