SIEMENS
Siemens 3SU1050-1HF20-0AA0 Emergency Stop Mushroom Pushbutton, 22mm Metal Red, Key Release Original Brand New
Siemens SIRIUS ACT 40mm red Emergency Stop pushbutton with RONIS key release (SB30). Metal, 22mm mounting, positive latching per EN ISO 13850.
- ConditionOriginal Brand New
- Warranty12 months
Backorder available · Factory lead time 2–3 weeks.
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- Up to 1-Year Warranty
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Description
Overview
The Siemens 3SU1050-1HF20-0AA0 is a high-performance Emergency Stop mushroom pushbutton from the SIRIUS ACT series. Designed for rugged industrial environments, this 22mm round actuator features a shiny metal construction and a 40mm red mushroom head. It is equipped with a RONIS lock (SB30) for secure, key-operated release, ensuring that machinery can only be restarted by authorized personnel. This unit meets the stringent safety requirements of EN ISO 13850 and features positive latching functionality.
Benefit
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Ensures maximum operator safety during emergencies
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Key-operated release prevents accidental or unauthorized reset
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Positive latching mechanism for reliable emergency stop action
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Durable metal construction for long service life
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International safety compliance with EN ISO 13850
Function & Features
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Type: Emergency Stop Mushroom Pushbutton
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Mounting Diameter: 22 mm
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Head Shape: Round mushroom
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Head Diameter: 40 mm
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Color: Red
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Material: Metal, shiny finish
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Lock Type: RONIS lock
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Lock Number: SB30
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Latching: Positive latching
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Release Method: Key-operated release
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Standard Compliance: EN ISO 13850
Application
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Industrial machinery
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Automation systems
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Manufacturing plants
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Control panels
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Safety-critical equipment
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Specifications
| SKU / Model | 3SU1050-1HF20-0AA0 |
|---|---|
| Brand | SIEMENS |
| 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 |
| ● 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 | Unlocking |
| number of switching positions | 2 |
| switch position for key distraction | O |
| lock make | RONIS |
| key number | SB30 |
| product component front ring | No |
| product function | - |
| ● positive opening | Yes |
| ● 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 | - |
| ● 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 | 600 1/h |
| mechanical service life (switching cycles) typical | 300 000 |
| reference code acc. to IEC 81346-2 | S |
| B10 value with high demand rate acc. to SN 31920 | 100 000 |
| proportion of dangerous failures | - |
| ● with low demand rate acc. to SN 31920 | 20 % |
| ● with high demand rate acc. to SN 31920 | 20 % |
| failure rate [FIT] with low demand rate acc. to SN 31920 | 100 FIT |
| T1 value for proof test interval or service life acc. to IEC 61508 | 20 y |
| 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 | 67.1 mm |
| installation width | 40 mm |
| installation depth | 26.3 mm |
| Test Certificates | Marine / Shipping |
| last modified: | 11/18/2021 |
| Weight | 0.120 kg |
| Dimensions | 62.00 × 80.00 × 55.00 mm |
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