cBallast
Industrial Parts Catalog
Datasheet generated 2026-10-07
sales@cballast.com
cballast.com

Siemens SIRIUS ACT Extended-Stroke Pushbutton 22mm Red Transparent Metal 3SU1251-0EB20-0AA0

Siemens · Control & Automation · Pushbuttons & Pilot Lights · Germany · siemens.com
Part Number
3SU1251-0EB20-0AA0  ·  HS 8538.90
Siemens SIRIUS ACT Extended-Stroke Pushbutton 22mm Red Transparent Metal 3SU1251-0EB20-0AA0

Siemens 3SU1251-0EB20-0AA0 — SIRIUS ACT 22 mm command and signalling device. Panel-mount pushbutton, indicator lamp or emergency-stop actuator in the 22 mm cutout family. SIRIUS ACT Compact push-button - Red transp 22mm round shiny metal.

Technical Specifications

Manufacturer part number (MPN)3SU1251-0EB20-0AA0
EAN / GTIN4011209973909
Sales unitpcs
Product brand nameSIRIUS ACT
Product designationPushbuttons
Design of the productComplete unit
Product type designation3SU1
Product lineMetal, shiny, 22 mm
Number of command points1
Design of the actuating elementFlat button with extended stroke, transparent
Principle of operation of the actuating elementmomentary contact type
Product extension optional — light sourceYes
Product extension optional — contact moduleYes
Color of the actuating elementred
Material of the actuating elementplastic
Shape of the actuating elementround
Outer diameter of the actuating element29.5 mm
Product component front ringYes
Design of the front ringStandard
Material of the front ringMetal, high gloss
Color of the front ringsilver
Protection class IPIP66, IP67, IP69(IP69K)
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 maximum3 600 1/h
Mechanical service life (operating cycles) typical5 000 000
Reference code according to IEC 81346-2S
General technical data — Net Weight105 g
Ambient temperature — during operation-25 ... +70 °C
Ambient temperature — during storage-40 ... +80 °C
Installation/ mounting/ dimensions — height40 mm
Installation/ mounting/ dimensions — width30 mm
Shape of the installation openinground
Mounting diameter22.3 mm
Positive tolerance of installation diameter0.4 mm
Mounting height20.3 mm
Installation width29.5 mm
Installation depth30.9 mm
Hole diameter22.3 mm
Colour buttonRed
Number of command positions1
LabelledNo
Width opening29.5 mm
Height opening20.3 mm
With protective coverNo
Material front ringMetal
Construction type lensRound
Country of originChina

Properties

MOQ1

Cross-References

Attached Documents