Siemens 3SU1050-1HA20-0AA0 SIRIUS ACT Emergency-Stop Mushroom 40 mm Metal Pull-to-Release
Siemens

Siemens 3SU1050-1HA20-0AA0 SIRIUS ACT Emergency-Stop Mushroom 40 mm Metal Pull-to-Release

Part number3SU1050-1HA20-0AA0EAN / GTIN4011209946705HS code8538.90
Control & Automation
Pushbuttons & Pilot Lights
MOQ:1

Pricing

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Product Description

Siemens 3SU1050-1HA20-0AA0 is a SIRIUS ACT 22 mm emergency-stop mushroom pushbutton actuator in shiny metal, round, red, with a 40 mm head and positive-latching pull-to-release mechanism per EN ISO 13850. The actuator supports EMERGENCY-OFF and EMERGENCY-STOP safety functions, with IP66/IP67/IP69K protection and 300,000 mechanical operating cycles. It is intended for machinery and process safety installations requiring positive-opening contacts and a compliant e-stop actuator.

Technical Specifications

Manufacturer part number (MPN)
3SU1050-1HA20-0AA0
EAN / GTIN
4011209946705
Sales unit
pcs
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
Product extension optional — 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
Product function — EMERGENCY OFF function
Yes
Product function — 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 — 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
600 1/h
Mechanical service life (operating cycles) typical
300 000
Reference code according to IEC 81346-2
S
General technical data — Net Weight
96 g
Product function suitable for safety function
Yes
Service life maximum
20 a
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 %
Proportion of dangerous failures — with high demand rate per NO contact according to SN 31920
50 %
B10 value with high demand rate according to SN 31920
100 000
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
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
Hole diameter
22.3 mm
Colour button
Red
Unlocking method
Pull-release
Diameter cap
40 mm
Type of button
High
With lighting
No
Width opening
40 mm
Height opening
45.3 mm
Degree of protection (IP)
IP67/IP69K
Construction type lens
Round
Country of origin
Germany

Standards & Compliance

HS Code
8538.90

Cross References

  • EAN 4011209946705
  • SAP 1000688561
  • Code 8297271

Product Documentation

Document preview: Siemens 3SU1050-1HA20-0AA0 — OEM Datasheet

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 3SU1050-1HA20-0AA0?
3SU1050-1HA20-0AA0 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 3SU1050-1HA20-0AA0.
What is the HS code for 3SU1050-1HA20-0AA0?
The customs tariff (HS) code for 3SU1050-1HA20-0AA0 is 8538.90.
Who manufactures 3SU1050-1HA20-0AA0?
3SU1050-1HA20-0AA0 is a Siemens product in the Control & Automation range.
Is a datasheet available for 3SU1050-1HA20-0AA0?
Yes — the 3SU1050-1HA20-0AA0 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 3SU1050-1HA20-0AA0?
The minimum order quantity is 1.
Is 3SU1050-1HA20-0AA0 available?
Yes — 3SU1050-1HA20-0AA0 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).