SIEMENS
Durable and reliable, 30mm red mushroom pushbutton with a shiny metal front ring, designed for standard 22mm mounting. Features momentary contact type for robust industrial control.
Backorder available · Factory lead time 2–3 weeks.
The Siemens 3SU1050-1AD20-0AA0 is a robust, industrial-grade 22 mm diameter mushroom pushbutton designed for control panels, machinery, and automation systems. Its round, shiny-metal red actuator (Ø 30 mm) provides excellent visibility and accessibility — especially useful for emergency stop or other critical control functions. The pushbutton operates on a momentary contact type mechanism, making it suitable for applications that require immediate, short-duration control signals.
This pushbutton acts as a human-machine interface (HMI) component, typically used for immediate, non-latching operations. Its momentary function means the circuit is only closed/opened while the operator is actively pressing the button.
Common Functions: Start/Stop controls (when used with appropriate contact blocks), Jogging movements, Reset functions, or any application requiring a quick, temporary signal input.
Typical Environments: Control panels, machine operating consoles, distribution boards, and emergency/maintenance stations where a large, easily actuated button is necessary.
High Durability: The metal construction and high-grade materials ensure a long service life, reducing replacement and maintenance costs.
Enhanced Visibility: The 30 mm red mushroom head provides excellent visual confirmation and is easy for operators to locate and actuate quickly, a critical feature for process safety and efficiency.
Ease of Installation: Complies with the standard 22 mm mounting diameter, allowing for seamless integration into existing control panel cutouts.
Reliable Performance: Part of the trusted Siemens SIRIUS ACT range, guaranteeing consistent and reliable signaling for critical control tasks.
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| SKU / Model | 3SU1050-1AD20-0AA0 |
|---|---|
| Brand | SIEMENS |
| product brand name | SIRIUS ACT |
| product designation | Mushroom pushbuttons |
| design of the product | Actuating/signaling element |
| product type designation | 3SU1 |
| product line | Metal, shiny, 22 mm |
| number of command points | 1 |
| principle of operation of the actuating element | momentary contact type |
| product extension optional light source | No |
| color of the actuating element | red |
| material of the actuating element | plastic |
| shape of the actuating element | round |
| outer diameter of the actuating element | 30 mm |
| marking of the actuating element | Customized labeling, text in lower case letters |
| number of switching positions | 2 |
| product component front ring | Yes |
| design of the front ring | Standard |
| material of the front ring | Metal, high gloss |
| color of the front ring | silver |
| product function | - |
| ● EMERGENCY OFF function | No |
| ● EMERGENCY STOP function | No |
| protection class IP | IP66, IP67, IP69(IP69K) |
| degree of protection NEMA rating | 1, 2, 3, 3R, 4, 4X, 12, 13 |
| shock resistance | - |
| ● acc. to IEC 60068-2-27 | Sinusoidal half-wave 50g / 11 ms |
| vibration resistance | - |
| ● acc. to IEC 60068-2-6 | 10 ... 500 Hz: 5g |
| operating frequency maximum | 3 600 1/h |
| mechanical service life (switching cycles) typical | 10 000 000 |
| reference code acc. to IEC 81346-2 | S |
| ambient temperature | - |
| ● during operation | -25 ... +70 °C |
| ● during storage | -40 ... +80 °C |
| environmental category during operation acc. to IEC 60721 | 3M6, 3S2, 3B2, 3C3, 3K6 (with relative air humidity of 10 ... 95 %) |
| shape of the installation opening | round |
| mounting diameter | 22.3 mm |
| positive tolerance of installation diameter | 0.4 mm |
| mounting height | 27.5 mm |
| installation width | 30 mm |
| installation depth | 24.4 mm |
| last modified: | 11/18/2021 |
| Weight | 0.047 kg |
| Dimensions | 73.00 × 99.00 × 37.00 mm |
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