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Datasheet generated 2026-10-07
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Siemens 3SU1100-1HB20-1CF0 SIRIUS ACT Emergency Stop 22 mm Red Ø40 mm 1 NC

Siemens · Control & Automation · Pushbuttons & Pilot Lights · Germany · siemens.com
Part Number
3SU1100-1HB20-1CF0  ·  HS 8536.50
Siemens 3SU1100-1HB20-1CF0 SIRIUS ACT Emergency Stop 22 mm Red Ø40 mm 1 NC

Siemens 3SU1100-1HB20-1CF0 SIRIUS ACT emergency stop mushroom pushbutton, 22 mm, red Ø40 mm with positive latching per EN ISO 13850. Black hard-plastic body with rotate-to-unlatch action, yellow backing plate, one NC contact and screw terminal. Supplied as a complete unit for 22 mm cutouts in industrial control panels.

Technical Specifications

Manufacturer part number (MPN)3SU1100-1HB20-1CF0
EAN / GTIN4011209957824
Sales unitpcs
Product brand nameSIRIUS ACT
Product designationEMERGENCY STOP mushroom pushbuttons
Design of the productComplete unit
Product type designation3SU1
Product linePlastic, black, 22 mm
Number of command points1
Outer diameter of the actuating element40 mm
Number of contact modules1
Number of LED modules0
Insulation voltage rated value500 V
Degree of pollution3
Type of voltage of the operating voltageAC/DC
Surge voltage resistance rated value6 kV
Protection class IPIP66, IP67, IP69(IP69K)
Protection class IP of the terminalIP20
Degree of protection NEMA rating1, 2, 3, 3R, 4, 4X, 12, 13
Shock resistance — according to IEC 60068-2-27sinusoidal half-wave 15 g / 11 ms
Shock resistance — for railway applications according to EN 61373Category 1, Class B
Vibration resistance — according to IEC 60068-2-610 ... 500 Hz: 5 g
Vibration resistance — for railway applications according to EN 61373Category 1, Class B
Operating frequency maximum600 1/h
Mechanical service life (operating cycles) typical300 000
Electrical endurance (operating cycles) typical300 000
Thermal current10 A
Continuous current of the C characteristic MCB10 A; for a short-circuit current smaller than 400 A
Continuous current of the quick DIAZED fuse link10 A
Continuous current of the DIAZED fuse link gG10 A
General technical data — Net Weight82 g
At AC — at 50 Hz rated value5 ... 500 V
At AC — at 60 Hz rated value5 ... 500 V
At AC — at DC rated value5 ... 500 V
Contact reliabilityOne maloperation per 100 million (17 V, 5 mA), one maloperation per 10 million (5 V, 1 mA)
Design of the contact of auxiliary contactsSilver alloy
Number of NC contacts for auxiliary contacts1
Number of NO contacts for auxiliary contacts0
Type of electrical connection — of modules and accessoriesScrew-type terminal
Type of connectable conductor cross-sections — solid with core end processing2x (0.5 ... 0.75 mm²)
Type of connectable conductor cross-sections — solid without core end processing2x (1.0 ... 1.5 mm²)
Type of connectable conductor cross-sections — finely stranded with core end processing2x (0.5 ... 1.5 mm²)
Type of connectable conductor cross-sections — finely stranded without core end processing2x (1,0 ... 1,5 mm²)
Type of connectable conductor cross-sections — for AWG cables2x (18 ... 14)
Tightening torque of the screws in the bracket1 ... 1.2 N·m
Tightening torque for auxiliary contacts with screw-type terminals0.8 ... 0.9 N·m
Service life maximum20 a
Proportion of dangerous failures — with low demand rate according to SN 3192020 %
Proportion of dangerous failures — with high demand rate per NC contact according to SN 3192020 %
B10 value with high demand rate according to SN 31920100 000
Failure rate [FIT] with low demand rate per NC contact according to SN 31920100 FIT
Device type according to ISO 13849-13
T1 value for proof test interval or service life according to IEC 6150820 a
Ambient temperature — during operation-25 ... +70 °C
Ambient temperature — during storage-40 ... +80 °C
Installation/ mounting/ dimensions — height40 mm
Installation/ mounting/ dimensions — width30 mm
Mounting diameter22.3 mm
Positive tolerance of installation diameter0.4 mm
Mounting height46.4 mm
Installation width75 mm
Installation depth48.6 mm
Number of backing plates1
Hole diameter22.3 mm
Colour buttonRed
Number of command positions1
Type of buttonMushroom
Width opening75 mm
Height opening46.4 mm
Degree of protection (IP)IP67/IP69K
Number of contacts as normally closed contact1
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents