SIEMENS
High-quality Siemens red mushroom pushbutton, 22 mm round metal design, 40 mm size, latching with pull-to-unlatch mechanism – ideal for industrial control applications.
Backorder available · Factory lead time 2–3 weeks.
The Siemens 3SU1050-1BA20-0AA0 is a high-quality component from the SIRIUS ACT series, designed for use in demanding industrial environments. This specific unit is a 40 mm red mushroom pushbutton featuring a durable, shiny metal front ring and a latching mechanism. It is engineered for panel mounting with a standard 22 mm installation diameter. Its critical safety function is ensured by the latching operation, which requires a pull-to-unlatch mechanism for release, making it suitable for critical stop or reset applications where accidental reactivation must be prevented. As part of the SIRIUS ACT portfolio, it guarantees robust design and reliable performance.
High-Quality Material: Durable metal construction with a shiny red finish for enhanced visibility and long-term use.
Size & Fit: 22 mm round standard mounting, 40 mm mushroom head for easy activation.
Mechanism: Latching pushbutton with pull-to-unlatch function for secure operation.
Industrial-Grade: Designed for reliable performance in machinery and control panel applications.
Versatile Applications: Suitable for emergency stops, industrial controls, and automated system interfaces.
Enhanced Safety: Clear red mushroom design for emergency and stop operations.
Durable & Reliable: Metal construction withstands high-use environments.
User-Friendly: Pull-to-unlatch mechanism ensures precise control.
Versatile Compatibility: Compatible with Siemens control panels and industrial automation systems.
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| SKU / Model | 3SU1050-1BA20-0AA0 |
|---|---|
| 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 | latching |
| 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 | 40 mm |
| marking of the actuating element | Customized labeling, text in capital letters |
| type of unlocking device | pull-to-unlatch mechanism |
| 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 | 1 800 1/h |
| mechanical service life (switching cycles) typical | 500 000 |
| 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 | 40 mm |
| installation depth | 24.4 mm |
| last modified: | 11/18/2021 |
| Weight | 0.060 kg |
| Dimensions | 30.00 × 40.00 × 30.00 mm |
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