Siemens · SIRIUS ACT 3SU1 Series

3SU1130-0AB70-1BA0

Active
UL CSA CE ATEX IECEX

SIRIUS ACT Black Flush Push Button (1NO)

Part number: 3SU1 - 1 - 30 - 70 - 1BA0
Siemens SIRIUS ACT 3SU1 Series Introduced circa 2013
Siemens 3SU1130-0AB70-1BA0 — SIRIUS ACT Black Flush Push Button (1NO)

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

Common Applications

Black push button from the SIRIUS ACT range used for general-purpose and auxiliary functions. Black indicates no specific safety meaning per IEC 60204-1 — used for reset, test, acknowledge, or any function that doesn't map to the standard color codes. Common on Siemens-controlled automotive assembly lines for cycle start confirmation, test mode activation, and HMI page-change buttons mounted on operator stations. The IP66/IP67/IP69K rating with metal construction handles the most demanding washdown and clean-room environments. Pairs with any 3SU1 series contact block.

Specifications

Actuator Shape
Round
Actuator Type
Flush
Certifications
UL, CSA, CE, ATEX, IECEx
Color
Black
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

Specs with this icon are linked to the manufacturer's original source page

Installation Quick Reference

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.

Wiring Diagram

L T 11 12 NO (open) press ↓

Troubleshooting

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.

Quick Specs

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

Data Sources

Specifications and product data sourced from the following references.

Siemens 3SU1130-0AB70-1BA0 Product Page

https://sieportal.siemens.com/en-ww/products-services/detail/3SU11300AB701BA0

Accessed March 29, 2026

Source