| product name | 3SU1000-1HB20-0AA0 | 
| product brand name | SIRIUS ACT | 
| product designation | EMERGENCY STOP mushroom pushbuttons | 
| design of the product | Actuating/signaling element | 
| product type designation | 3SU1 | 
| product line | Plastic, black, 22 mm | 
| Enclosure |  | 
| number of command points | 1 | 
| Actuator |  | 
| design of the actuating element | positive latching | 
| principle of operation of the actuating element | latching | 
| product extension optional | No | 
| ● light source | 
| ● contact module | Yes | 
| color | red | 
| ● of the actuating element | 
| 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 | 
| Front ring |  | 
| product component front ring | No | 
| General technical data |  | 
| product function | Yes | 
| ● positive opening |  | 
| ● EMERGENCY OFF function | Yes | 
| ● 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 | sinusoidal half-wave 15g / 11 ms | 
| ● according to IEC 60068-2-27 |  | 
| ● for railway applications according to EN 61373 | Category 1, Class B | 
| vibration resistance | 10 … 500 Hz: 5g | 
| ● according to IEC 60068-2-6 |  | 
| ● for railway applications according to EN 61373 | Category 1, Class B | 
| operating frequency maximum | 600 1/h | 
| mechanical service life (operating cycles) typical | 300 000 | 
| reference code according to IEC 81346-2 | S | 
| Substance Prohibitance (Date) | 10/1/2014 | 
| Safety related data |  | 
| B10 value with high demand rate according to SN 31920 | 100 000 | 
| proportion of dangerous failures |  | 
| ●     with low demand rate according to SN 31920 | 20% | 
| ●     with high demand rate according to SN 31920 | 20% | 
| failure rate [FIT] with low demand rate according to SN 31920 | 100 FIT | 
| Ambient conditions |  | 
| ambient temperature | -25 … +70 °C | 
| ● during operation |  | 
| ● during storage | -40 … +80 °C | 
| environmental category during operation according to IEC 60721 | 3M6, 3S2, 3B2, 3C3, 3K6 (with relative air humidity of 10 … 95%) | 
| Installation/ mounting/ dimensions |  | 
| 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 |