SIEMENS
Illuminated 22 mm red metal selector switch with 3 positions (I > O < II), momentary contact operation, and 2×45° actuating angles. Siemens model 3SU1052-2BM20-0AA0—durable, reliable, and ideal for industrial control applications.
Backorder available · Factory lead time 2–3 weeks.
The Siemens 3SU1052-2BM20-0AA0 is a high-quality illuminated selector switch designed for industrial control panels requiring reliability, precision, and long operational life. Featuring a 22 mm round metal body with a shiny red illuminated actuator, this switch ensures enhanced visibility and intuitive operation in demanding environments. Its 3-position configuration (I > O < II) with momentary contact and 2×45° actuating angles provides smooth and accurate switching performance.
Ideal for automation systems, machinery control stations, and industrial electrical cabinets, this Siemens selector switch delivers robust performance backed by Siemens’ trusted engineering.
High Visibility: Illuminable red actuator improves status recognition in low-light or high-noise industrial areas.
Durable Construction: Metal, shiny housing ensures longevity and resistance to mechanical wear.
Precise Operation: Smooth 3-position momentary switching with accurate 45° actuation angles.
Compact & Modern Design: Short selector switch suitable for tight panel layouts.
Reliable Brand Assurance: Siemens components guarantee safety, reliability, and compliance.
Product Type: Illuminable selector switch
Model: 3SU1052-2BM20-0AA0
Design: 22 mm, round, metal, shiny finish
Color: Red
Switch Positions: I > O < II (3-position selector)
Operation: Momentary contact type
Actuating Angle: 2 × 45°
Position Markings: 10:30h / 12h / 13:30h
Mounting: Front panel installation
Application: Industrial machinery, automation control panels, motor control stations, operator consoles
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| SKU / Model | 3SU1052-2BM20-0AA0 |
|---|---|
| Brand | SIEMENS |
| product brand name | SIRIUS ACT |
| product designation | Selector switches |
| 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 | Selector, short |
| principle of operation of the actuating element | momentary contact, 2x45° (10:30 h/12 h/13:30 h), return on both sides |
| product extension optional | - |
| ● light source | Yes |
| ● contact module | Yes |
| color of the actuating element | red |
| material of the actuating element | plastic |
| shape of the actuating element | Handle |
| outer diameter of the actuating element | 32.3 mm |
| marking of the actuating element | Customized labeling, text in lower case / capital letters, all words start with capital letters |
| number of switching positions | 3 |
| actuating angle | - |
| ● clockwise | 45° |
| ● anticlockwise | 45° |
| 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 |
| 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 | 1 000 000 |
| reference code acc. to IEC 81346-2 | S |
| B10 value with high demand rate acc. to SN 31920 | 300 000 |
| 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 | 28.8 mm |
| installation width | 32.3 mm |
| installation depth | 25.4 mm |
| last modified: | 10/6/2021 |
| Weight | 0.020 kg |
| Dimensions | 30.00 × 52.00 × 30.00 mm |
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