Siemens 3SU1051-1HB20-0AA0-ZY12
MPN3SU1051-1HB20-0AA0-ZY12
Active
EMERGENCY STOP mushroom pushbutton, illuminable, 22 mm, round, metal, shiny, red, 40 mm, positive latching, acc. to EN ISO 13850, rotate-to-unlatch, with laser labeling, lower case
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MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
Identification
| Parameter | Value |
|---|---|
| Product designation | EMERGENCY STOP mushroom pushbuttons |
| Brand name | SIRIUS ACT |
| Product line / construction | Metal, shiny, 22 mm |
Function & Operation
| Parameter | Value |
|---|---|
| EMERGENCY STOP function | Yes |
| EMERGENCY OFF function | Yes |
| Product design | Actuating/signaling element |
| Actuation principle (momentary / latching) | latching |
| Unlocking / release type | rotate-to-unlatch mechanism |
| Actuating element design | positive latching |
| Actuator shape | round |
| Actuator material | plastic |
| Actuator outer diameter | 40 mm |
Switching & Contacts
| Parameter | Value |
|---|---|
| Number of command points | 1 |
| Number of switching positions | 2 |
| Operating frequency, max. | 600 1/h |
| Mechanical service life, typ. (operating cycles) | 300 000 |
Mechanical
| Parameter | Value |
|---|---|
| Mounting diameter | 22.3 mm |
| Installation diameter, positive tolerance | 0.4 mm |
| Mounting hole shape | round |
| Installation width | 40 mm |
| Mounting height | 45.3 mm |
| Installation depth | 26.3 mm |
| Front ring included | No |
Environmental
| Parameter | Value |
|---|---|
| IP protection rating | IP66, IP67, IP69(IP69K) |
| NEMA protection rating | 1, 2, 3, 3R, 4, 4X, 12, 13 |
| Operating temperature range | -25 ... +70 °C |
| Storage temperature range | -40 ... +80 °C |
| Vibration resistance (IEC 60068-2-6) | 10 ... 500 Hz: 5g |
| Shock resistance (IEC 60068-2-27) | sinusoidal half-wave 15g / 11 ms |
Specifications
| Parameter | Value |
|---|---|
| Marking Of The Actuating Element | Any inscription, text in lower case |
MPN
3SU1051-1HB20-0AA0-ZY12