Siemens · SIRIUS ACT 3SU1 Serie

3SU1130-0AB40-1BA0

Activo
UL CSA CE ATEX IECEX

SIRIUS ACT Green Flush Push Button (1NO)

Número de pieza: 3SU1 - 1 - 30 - 40 - 1BA0
Siemens SIRIUS ACT 3SU1 Serie Introduced circa 2013
Siemens 3SU1130-0AB40-1BA0 — SIRIUS ACT Green Flush Push Button (1NO)

Green flush momentary push button, Siemens SIRIUS ACT series. 22mm cutout, IP66/IP67/IP69K, metal housing, with 1NO contact.

Aplicaciones comunes

Siemens SIRIUS ACT push button found on Siemens-controlled manufacturing lines, particularly in automotive plants (BMW, VW, Mercedes production facilities heavily use Siemens automation). The metal front ring provides a premium feel and superior corrosion resistance. The 3SU1 series integrates tightly with Siemens S7 PLC systems — Siemens offers pre-built function blocks for button input handling. Common in Germany, Eastern Europe, and Chinese automotive plants.

Especificaciones

Actuator Shape
Round
Actuator Type
Flush
Certifications
UL, CSA, CE, ATEX, IECEx
Color
Green
Contact Configuration
1NO
Cutout Diameter
22mm
IP Rating
IP66/IP67/IP69K
Material
Metal
Mounting Type
Panel
Max Operating Temp
70°C
Min Operating Temp
-25°C

Las especificaciones con este icono están vinculadas a la página fuente original del fabricante

También necesitará

Este es un componente modular. Para un ensamblaje completo, también puede necesitar:

Referencia rápida de instalación

Panel cutout: 22mm. Insert from the front of the panel, secure with mounting nut from behind (tighten to 2-3 Nm).

Contact block: Snap or screw the contact block onto the rear of the button body. Ensure the contact block orientation matches the wiring diagram — NO terminals are usually marked.

Wiring: Use 0.5-2.5mm² stranded wire with ferrules. Tighten screw terminals to 0.8 Nm. Test the button function before energizing the circuit.

Dimensiones

Front 22mm cutout panel hole diameter Side panel contact ~45mm depth

Diagrama de cableado

L T 11 12 NO (open) press ↓

Solución de problemas

Button doesn't respond when pressed

Check the contact block first — it's the most common failure point. Test continuity across the NO or NC terminals with a multimeter. If no click is felt, the return spring in the head may be broken.

Works intermittently

Contact block contacts are pitted or burned. Replace the contact block — don't try to file the contacts. Check if the rated cycle count has been exceeded.

Button feels mushy or doesn't click

The spring return mechanism in the button head is worn. Replace the head. The contact block can usually be reused if it tests OK.

Especificaciones rápidas

Actuator Shape
Round
Actuator Type
Flush
Certifications
UL, CSA, CE, ATEX, IECEx
Color
Green
Contact Configuration
1NO

Lo que dicen los usuarios

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“Our dairy plant does high-pressure hot water washdowns every shift. Regular IP65 buttons lasted maybe 6 months. Switched to Siemens SIRIUS ACT with IP69K and they've survived 18 months of daily abuse so far. Worth every penny of the premium.”

ElectricianTalk by industrial_elec_22 42 votos positivos Ver hilo →

“If you are already in the Siemens ecosystem (S7 PLC, TIA Portal), the SIRIUS ACT buttons integrate nicely. The metal front ring feels premium. Downside is they are pricier than Schneider/Eaton for the same function.”

Reddit r/PLC by siemens_shop 11 votos positivos Ver hilo →

Fuentes de datos

Especificaciones y datos de producto obtenidos de las siguientes referencias.

3SU1130-0AB40-1BA0 Siemens Product Page

https://sieportal.siemens.com/en-ww/products-services/detail/3SU1130-0AB40-1BA0

Consultado el March 28, 2026

Fuente