SIEMENS
Red, flat, momentary contact pushbutton. Durable 22 mm shiny metal design with 1 NC screw terminal. Complete unit with holder for industrial control.
The Siemens 3SU1150-0AB20-1CA0 is a high-quality industrial pushbutton designed for reliable control functions in machinery, automation systems, and industrial panels. Featuring a 22 mm round metal body, shiny red flat actuator, and a momentary contact operation, this pushbutton delivers durability, precision, and exceptional performance even under demanding conditions. It includes a 1 NC (Normally Closed) contact element, a secure screw terminal connection, and comes pre-assembled with a holder for fast and easy installation.
Reliable Operation: Momentary action ensures accurate and instant control input.
High Durability: Robust metal construction withstands heavy industrial usage and harsh environments.
Enhanced Safety: Red actuator color offers clear visual signaling for stop or emergency functions.
Easy Installation: Comes with a pre-mounted holder and screw terminals for quick wiring.
Universal Compatibility: Fits standard 22 mm panel cutouts, widely used in industrial control systems.
Momentary Push Function: Returns to original position when released.
Control Signal Input: Ideal for start/stop, reset, trigger, and control panel functions.
NC Contact Output: Provides a normally closed circuit path for safety and control applications.
Visual Identification: Red flat actuator supports safety coding in control stations.
Product Number: Siemens 3SU1150-0AB20-1CA0
Actuator Type: Flat, momentary pushbutton
Material: Shiny metal front
Color: Red
Contact Configuration: 1 NC
Mounting Diameter: 22 mm
Terminal Type: Screw terminal
Assembly: Comes with holder
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| SKU / Model | 3SU1150-0AB20-1CA0 |
|---|---|
| Brand | SIEMENS |
| product brand name | SIRIUS ACT |
| product designation | 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 the supplied holder | 3SU1550-0AA10-0AA0 |
| ● of the supplied actuator | 3SU1050-0AB20-0AA0 |
| 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 | 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 | 29.45 mm |
| 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 | 0 |
| product function positive opening | Yes |
| product component light source | No |
| insulation voltage rated value | 500 V |
| degree of pollution | 3 |
| type of voltage of the operating voltage | AC/DC |
| surge voltage resistance rated value | 6 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 | 10 000 000 |
| 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) |
| 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 |
| 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 %, 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 |
| Test Certificates | Marine / Shipping |
| last modified: | 10/1/2021 |
| Weight | 0.090 kg |
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