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Siemens 3SU1151-1HB20-3CF0 — Emergency Stop Pushbuttons

Siemens 3SU1151-1HB20-3CF0

MPN3SU1151-1HB20-3CF0
Active

EMERGENCY STOP mushroom pushbutton, illuminable, 22 mm, round, metal, shiny, red, 40 mm, positive latching, according to EN ISO 13850, rotate-to-unlatch, with yellow backing plate, without inscription, with holder, 1 NC, without LED, spring-loaded terminal, front plate mounting

StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

Identification

3SU1151-1HB20-3CF0 — Identification
ParameterValue
Product designationEMERGENCY STOP mushroom pushbuttons
Brand nameSIRIUS ACT
Product line / constructionMetal, shiny, 22 mm

Function & Operation

3SU1151-1HB20-3CF0 — Function & Operation
ParameterValue
EMERGENCY STOP functionYes
EMERGENCY OFF functionYes
Product designComplete unit
Actuation principle (momentary / latching)latching
Unlocking / release typerotate-to-unlatch mechanism
Actuating element designpositive latching
Actuator shaperound
Actuator colorred
Actuator materialplastic
Actuator outer diameter40 mm
Optional light sourceYes

Switching & Contacts

3SU1151-1HB20-3CF0 — Switching & Contacts
ParameterValue
Number of command points1
Operating frequency, max.600 1/h

Mechanical

3SU1151-1HB20-3CF0 — Mechanical
ParameterValue
Mounting diameter22.3 mm
Installation diameter, positive tolerance0.4 mm
Mounting hole shaperound
Installation width75 mm
Mounting height46.4 mm
Installation depth48.6 mm
Height40 mm
Width30 mm
Front ring includedNo

Environmental

3SU1151-1HB20-3CF0 — Environmental
ParameterValue
IP protection ratingIP66, IP67, IP69(IP69K)
NEMA protection rating1, 2, 3, 3R, 4, 4X, 12, 13
Operating temperature range-25 ... +70 °C
Storage temperature range-40 ... +80 °C
Vibration resistance (IEC 60068-2-6)10 ... 500 Hz: 5g
Shock resistance (IEC 60068-2-27)sinusoidal half-wave 15g / 11 ms
MPN
3SU1151-1HB20-3CF0