Siemens 3SU1050-1HA20-0AA0 Emergency Stop Mushroom Pushbutton, 22mm, Red, Metal Original Brand New
$18.59
Siemens 3SU1050-1HA20-0AA0 is a durable, 22 mm, round, metal EMERGENCY STOP mushroom pushbutton featuring a 40 mm red head. It is positive latching, compliant with EN ISO 13850, and uses a reliable pull-to-unlatch mechanism for fast resetting. Ideal for industrial safety applications.
Availability: In stock
Overview
The Siemens SIRIUS ACT 3SU1050-1HA20-0AA0 is an essential component for machine and system safety. As part of the highly reliable SIRIUS ACT series, this EMERGENCY STOP mushroom pushbutton is designed for robust performance in demanding industrial environments. The unit features a high-visibility 40 mm red head and a sleek metal, shiny enclosure for superior durability and aesthetics. It ensures personnel and machine protection through its positive latching function upon activation.
Key Benefit
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Maximum Safety Compliance: Meets the stringent requirements of EN ISO 13850 and IEC 60947-5-5, guaranteeing reliable machine shutdown in emergency situations.
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Superior Durability: The metal construction provides excellent resistance to physical wear, chemicals, and temperature variations common in industrial settings.
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Easy, Immediate Reset: The pull-to-unlatch mechanism allows for quick and simple resetting of the E-STOP, minimizing downtime after an emergency stop event.
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High Visibility: The contrasting, large 40 mm red mushroom head ensures the switch is instantly recognizable and accessible in a crisis.
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Modular SIRIUS ACT System: This actuator is compatible with the modular system of SIRIUS ACT contact blocks and LED holders, simplifying assembly and stocking.
Function & Application
The 3SU1050-1HA20-0AA0 functions as a mandatory safety device used to immediately initiate a hazardous movement stop or a system power-down. When the red mushroom head is depressed, it engages a positive latching mechanism, which keeps the switch contacts in the safety-off position until physically reset. This pull-to-unlatch method provides clear visual feedback that the device is armed and ready for operation.
Applications Include:
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Manufacturing Equipment and Assembly Lines
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Conveyor Systems and Material Handling
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Machine Tools (CNC, Lathes, Mills)
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Process Control and Automation Panels
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Any industrial setup requiring compliance with safety machinery directives.
Technical Specification
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Diameter: 22 mm
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Shape: Round
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Material: Metal, shiny finish
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Color: Red
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Actuation: Positive latching, pull-to-unlatch
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Standard: EN ISO 13850
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| Weight | 0.094 kg |
|---|---|
| Dimensions | 40.00 × 100.00 × 40.00 mm |
| 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 | pull-to-unlatch mechanism |
| number of switching positions | 2 |
| 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 | 45.3 mm |
| installation width | 40 mm |
| installation depth | 26.3 mm |
| Test Certificates | Marine / Shipping |
| last modified: | 11/18/2021 |
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