Siemens 3SU1156-0AB20-1CA0 Illuminated Pushbutton 22mm, Red, Flat Momentary, LED 230V AC Original Brand New
$24.09
Illuminated pushbutton, 22 mm, round, metal, shiny, red, momentary contact, 1 NC contact, 230 V AC LED, with screw terminals.
Availability: In stock
Overview
The Siemens 3SU1156-0AB20-1CA0 is a high-quality 22mm illuminated pushbutton designed for reliable industrial and automation applications. With its round, shiny metal design and flat, red pushbutton, it combines functionality with a professional appearance. This momentary contact pushbutton comes with a holder and 1 NC contact, featuring an integrated LED module powered by 230 V AC, ensuring clear visual indication. The screw terminal ensures easy installation and secure connections.
Key Benefit
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Superior Durability: The shiny metal design provides excellent resistance to harsh industrial environments, ensuring a long service life and high operational reliability.
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Clear Visibility: The bright, integrated 230 V AC LED provides clear operational status indication, reducing operator error.
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Easy Installation: Features a user-friendly holder and reliable screw terminals for quick and secure wiring and mounting.
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Industry Standard: Part of the global SIRIUS ACT portfolio, guaranteeing compatibility and modularity with other Siemens control devices.
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High Contrast HMI: The distinct red illumination is ideal for STOP/Emergency signaling (when combined with appropriate safety circuitry) or critical process control functions.
Functionality / Features
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Illuminated pushbutton for industrial control applications
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Round 22 mm metal design, shiny red finish
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Flat, momentary action pushbutton
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Comes with holder and 1 NC contact
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Integrated LED module (230 V AC)
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Screw terminal for secure and reliable connections
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Ideal for control panels, machinery, and automation systems
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| Weight | 0.098 kg |
|---|---|
| Brand | SIEMENS |
| product brand name | SIRIUS ACT |
| product designation | Illuminated pushbuttons |
| design of the product | Complete unit |
| product type designation | 3SU1 |
| product line | Metal, shiny, 22 mm |
| manufacturer's article number | – |
| ● of supplied contact module at position 1 | 3SU1400-1AA10-1CA0 |
| ● of supplied LED module | 3SU1401-1BF20-1AA0 |
| ● of the supplied holder | 3SU1550-0AA10-0AA0 |
| ● of the supplied actuator | 3SU1051-0AB20-0AA0 |
| number of command points | 1 |
| design of the actuating element | Button, flat |
| principle of operation of the actuating element | momentary contact type |
| product extension optional light source | 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 | 29.45 mm |
| marking of the actuating element | Customized labeling, text in lower case / capital letters, all words start with capital letters |
| number of contact modules | 1 |
| 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 |
| material of the holder | Plastic |
| number of LED modules | 1 |
| product function positive opening | Yes |
| product component light source | Yes |
| insulation voltage rated value | 320 V |
| degree of pollution | 3 |
| type of voltage of the operating voltage | AC/DC |
| surge voltage resistance rated value | 4 kV |
| protection class IP | IP66, IP67, IP69(IP69K) |
| ● of the terminal | IP20 |
| 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 | 3 000 000 |
| electrical endurance (switching cycles) typical | 10 000 000 |
| thermal current | 10 A |
| reference code acc. to IEC 81346-2 | S |
| continuous current of the C characteristic MCB | 10 A; for a short-circuit current smaller than 400 A |
| continuous current of the quick DIAZED fuse link | 10 A |
| continuous current of the DIAZED fuse link gG | 10 A |
| operating voltage | – |
| ● at AC | – |
| — at 50 Hz rated value | 5 … 500 V |
| — at 60 Hz rated value | 5 … 500 V |
| ● at DC rated value | 5 … 500 V |
| contact reliability | One maloperation per 100 million (17 V, 5 mA), one maloperation per 10 million (5 V, 1 mA) |
| type of voltage of the supply voltage of the light source | AC |
| supply voltage of the light source at AC | – |
| ● at 50 Hz rated value | 230 V |
| ● at 60 Hz rated value | 230 V |
| inrush current of LED module maximum | 3 A |
| design of the contact of auxiliary contacts | Silver alloy |
| number of NC contacts for auxiliary contacts | 1 |
| number of NO contacts for auxiliary contacts | 0 |
| type of electrical connection | screw-type terminals |
| type of connectable conductor cross-sections | – |
| ● solid with core end processing | 2x (0.5 … 0.75 mm²) |
| ● solid without core end processing | 2x (1.0 … 1.5 mm²) |
| ● finely stranded with core end processing | 2x (0.5 … 1.5 mm²) |
| ● finely stranded without core end processing | 2x (1,0 … 1,5 mm²) |
| ● at AWG cables | 2x (18 … 14) |
| tightening torque of the screws in the bracket | 1 … 1.2 N·m |
| tightening torque with screw-type terminals | 0.8 … 0.9 N·m |
| type of light source | LED |
| color of the light source | red |
| light intensity | 450 … 1 120 mcd |
| ambient temperature | – |
| ● during operation | -25 … +70 °C |
| ● during storage | -40 … +80 °C |
| environmental category during operation acc. to IEC 60721 | 3M6, 3S2, 3B2, 3K6 (with relative air humidity of 10 … 95 %, no condensation in operation permitted for all devices behind front panel) |
| fastening method | front panel mounting |
| ● of modules and accessories | Front plate mounting |
| shape of the installation opening | round |
| mounting diameter | 22.3 mm |
| positive tolerance of installation diameter | 0.4 mm |
| mounting height | 11 mm |
| installation width | 29.5 mm |
| installation depth | 49.7 mm |
| last modified: | 10/1/2021 |
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