Siemens
Siemens 3SB1203-0AC20 22mm Flat Pushbutton Unit - Red
Siemens 3SB1203-0AC20 22mm flat pushbutton unit with 1 NC contact.
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12-Mo Warranty
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🎖 Veteran-Owned
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Response within 1 business hour
12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
22mm standard mounting
Flat red pushbutton
Metal front ring for robustness
1 Normally Closed (NC) contact
Reliable industrial operation
Product description
The Siemens 3SB1203-0AC20 is a 22mm complete pushbutton unit featuring a flat red pushbutton and a metal front ring for enhanced durability. This unit is equipped with one Normally Closed (NC) contact, designed for reliable signaling and control in industrial environments.
This pushbutton unit is suitable for applications where a normally closed contact is required for safety or control logic, such as emergency stop circuits, safety gates, or status indication in manufacturing, automotive, and process industries.
Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3SB1203-0AC20, providing access to quality industrial automation components.
Technical specifications
| Actuator Type | Flat Pushbutton |
| Color | Red |
| Size | 22mm |
| Front Ring Material | Metal |
| Contact Configuration | 1 NC |
Common applications
Safety Circuits
Emergency Stops
Control Panels
Machine Safety
Industrial Automation
Process Control
Compatible systems
Siemens 22mm control system components
Also known as
Siemens 3SB1203-0AC20 Red Pushbutton
Replaces / compatible with
Compatible with Siemens 3SB12 series accessories.
Technical note
Expert tip
The metal front ring offers superior resistance to harsh environments compared to plastic alternatives.What happens next?
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Frequently asked questions
What type of contact does the Siemens 3SB1203-0AC20 pushbutton unit provide?
The Siemens 3SB1203-0AC20 pushbutton unit provides one Normally Closed (NC) contact. This means the circuit is normally conducting and breaks when the button is pressed.