
Siemens SIRIUS 3SU1156-0AB20-1CA0 Illuminated Pushbutton 22 mm Red 1 NC 230 V AC
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Product Description
Siemens 3SU1156-0AB20-1CA0 is a SIRIUS ACT illuminated pushbutton, 22 mm round metal in high-gloss finish, with a red flat momentary-action actuator. Supplied complete with holder, one NC contact module and an integrated LED module for 230 V AC, using screw terminals. Rated insulation voltage 320 V with IP66/IP67/IP69K protection and positive-opening operation.
Technical Specifications
- Manufacturer part number (MPN)
- 3SU1156-0AB20-1CA0
- EAN / GTIN
- 4011209966468
- Sales unit
- pcs
- Voltage
- 230 V
- Contact configuration
- 1 NC
- 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
- Manufacturer's article number — of supplied LED module
- 3SU1401-1BF20-1AA0
- Manufacturer's article number — of the supplied holder
- 3SU1550-0AA10-0AA0
- Manufacturer's article number — 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
- 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)
- Protection class IP of the terminal
- IP20
- Degree of protection NEMA rating
- 1, 2, 3, 3R, 4, 4X, 12, 13
- Shock resistance — according to IEC 60068-2-27
- sinusoidal half-wave 15 g / 11 ms
- Vibration resistance — according to IEC 60068-2-6
- 10 ... 500 Hz: 5 g
- Operating frequency maximum
- 3 600 1/h
- Mechanical service life (operating cycles) typical
- 3 000 000
- Electrical endurance (operating cycles) typical
- 10 000 000
- Thermal current
- 10 A
- Reference code according 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
- General technical data — Net Weight
- 77 g
- At AC — at 50 Hz rated value
- 5 ... 500 V
- At AC — at 60 Hz rated value
- 5 ... 500 V
- At AC — 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
- Supply voltage of the light source at AC — 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 terminal
- Type of electrical connection — of modules and accessories
- Screw-type terminal
- Type of connectable conductor cross-sections — solid with core end processing
- 2x (0.5 ... 0.75 mm²)
- Type of connectable conductor cross-sections — solid without core end processing
- 2x (1.0 ... 1.5 mm²)
- Type of connectable conductor cross-sections — finely stranded with core end processing
- 2x (0.5 ... 1.5 mm²)
- Type of connectable conductor cross-sections — finely stranded without core end processing
- 2x (1,0 ... 1,5 mm²)
- Type of connectable conductor cross-sections — for 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
- Product function suitable for safety function
- Yes
- Test wear-related service life necessary
- Yes
- Proportion of dangerous failures — with low demand rate according to SN 31920
- 20 %
- Proportion of dangerous failures — with high demand rate per NC contact according to SN 31920
- 20 %
- B10 value with high demand rate according to SN 31920
- 3 000 000
- Failure rate [FIT] with low demand rate per NC contact according to SN 31920
- 100 FIT
- Device type according to ISO 13849-1
- 3
- Safety device type according to IEC 61508-2
- Type A
- T1 value for proof test interval or service life according to IEC 61508
- 20 a
- Ambient temperature — during operation
- -25 ... +70 °C
- Ambient temperature — during storage
- -40 ... +80 °C
- Fastening method
- front plate mounting
- Fastening method — of modules and accessories
- Front plate mounting
- Installation/ mounting/ dimensions — height
- 40 mm
- Installation/ mounting/ dimensions — width
- 30 mm
- 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
- Hole diameter
- 22.3 mm
- Colour button
- Red
- Number of command positions
- 1
- Type of button
- Mushroom
- Colour front ring
- Chrome
- Type of electric connection
- Screw connection
- Width opening
- 29.5 mm
- Height opening
- 11 mm
- Degree of protection (IP)
- IP67/IP69K
- Material front ring
- Plastic
- Supply voltage lamp
- 230 V
- Number of contacts as normally closed contact
- 1
- Country of origin
- Germany
Standards & Compliance
- HS Code
- 8536.50
Cross References
- EAN 4011209966468
- SAP 1000722551
- Code 8279574
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 3SU1156-0AB20-1CA0?
- 3SU1156-0AB20-1CA0 can be ordered from cballast.com as a Siemens catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Siemens product?
- The manufacturer part number is 3SU1156-0AB20-1CA0.
- What is the HS code for 3SU1156-0AB20-1CA0?
- The customs tariff (HS) code for 3SU1156-0AB20-1CA0 is 8536.50.
- Who manufactures 3SU1156-0AB20-1CA0?
- 3SU1156-0AB20-1CA0 is a Siemens product in the Control & Automation range.
- Is a datasheet available for 3SU1156-0AB20-1CA0?
- Yes — the 3SU1156-0AB20-1CA0 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3SU1156-0AB20-1CA0?
- The minimum order quantity is 1.
- Is 3SU1156-0AB20-1CA0 available?
- Yes — 3SU1156-0AB20-1CA0 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
