Siemens
Siemens 3SB3647-0AA21 22mm Illuminated Pushbutton
Siemens 3SB3647-0AA21 22mm Illuminated Pushbutton
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12-month warranty
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Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
22mm metal round design
Integrated LED illumination
Momentary contact
1 NO, 1 NC contacts
Red illuminated button
IP67 protection
Product description
The Siemens 3SB3647-0AA21 is a 22mm metal round complete unit combination pushbutton. It features a momentary contact type, a flat illuminated button with an integrated LED, and a red lens.
This unit includes one normally open (NO) and one normally closed (NC) contact, operating at 24V AC/DC via screw terminals. It is designed for front plate mounting and is IP67 rated. This is a phased-out product, with the SIRIUS ACT 3SU1 series being its successor.
Stanlo Automation offers this and other surplus industrial parts. As a veteran-owned business, we pride ourselves on providing reliable components for your automation needs.
Technical specifications
| Type | Illuminated Pushbutton |
| Actuator Type | Momentary |
| Button Shape | Flat |
| Illumination | Integrated LED |
| Voltage | 24V AC/DC |
| Contact Configuration | 1 NO, 1 NC |
| Terminal Type | Screw |
| Size | 22mm |
| Color | Red |
| IP Rating | IP67 |
| Series | SIRIUS 3SB3 |
Common applications
Control panels
Machine interfaces
Industrial signaling
Operator stations
Compatible systems
Control panels
Machine interfaces
Also known as
3SB3647-0AA21-0PA0
Replaces / compatible with
This product is phased out. The preferred successor is the Siemens 3SU1152-0AB20-1FA0.
Technical note
Expert tip
The IP67 rating indicates excellent protection against dust and water ingress, making it suitable for harsh environments.What happens next?
1
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2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Frequently asked questions
What are the contact specifications for the Siemens 3SB3647-0AA21?
The Siemens 3SB3647-0AA21 pushbutton is equipped with one normally open (NO) and one normally closed (NC) contact. This allows for flexible integration into control circuits.