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Check similar products or call us on +44 20 4570 3439 for assistance
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Specification & Description
Specification | Description |
---|---|
Part Number | 3SB3221-0AA21 |
Alternative Part Number | 3SB32210AA21 |
Manufacturer | Siemens |
Type | Illuminated Pushbutton |
Design | Complete unit round, with flat button |
Material | Plastic actuator and holder, plastic front ring |
Colour | Red actuator, black front ring |
Mounting Type | Front mounting |
Mounting Diameter | 22 mm |
Operating Voltage | 24V AC/DC |
Contact Configuration | 1 Normally Open (NO) + 1 Normally Closed (NC) |
Lamp Type | BA 9S with lamp |
Electrical Connection | Screw-type terminals |
Operating Temperature Range | -25°C to +60°C during operation, -40°C to +80°C during storage |
Protection Class | IP66 |
Mechanical Operating Cycles | Typically 3,000,000 |
Resistance to Shock | <= 30g (for devices with incandescent lamp according to IEC 60068-2-27) |
Resistance to Vibration | 20 ... 200 Hz: 5g (according to IEC 60068-2-6) |
Tightening Torque | Maximum 1 N·m for screws in the bracket |
Climatic Class | 3K6 during the operating phase (according to EN 60721) |
Product Approvals | General Product Approval, Declaration of Conformity |
Special Features | Positive opening feature for safety applications |
The Siemens 3SB3221-0AA21 is a robust and versatile illuminated pushbutton designed for a wide range of industrial applications. This 22mm plastic round complete unit is a combination of a flat button illuminated with a lamp holder BA 9S, complete with a 24V AC/DC lamp. It features a screw terminal for secure and reliable electrical connections.
The unit comes with a red actuator made from durable plastic, ensuring visibility and ease of use in various operating environments. The front ring of the pushbutton is black, crafted from plastic, and adheres to a standard design, blending seamlessly with different control panel aesthetics.
Equipped with 1 normally open (NO) and 1 normally closed (NC) contact, the 3SB3221-0AA21 offers flexibility in control circuit design. It operates with a voltage of 24V AC/DC, making it suitable for a broad range of control systems. The pushbutton is designed for momentary contact operation, returning to its original position after actuation, which is ideal for start-stop functions.
The device boasts an IP66 rating, indicating a high level of protection against dust and water, making it suitable for challenging industrial environments. It can operate within a temperature range of -25°C to +60°C, ensuring reliability in both hot and cold conditions.
The Siemens 3SB3221-0AA21 is a high-quality component that provides reliable performance for machine controls, automation systems, and various other industrial applications where a visible and accessible control element is required.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
Read more...Have steps been taken to ensure quality control?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Our service to you
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Frequently Asked Questions
What type of actuator does this illuminated pushbutton have?
The illuminated pushbutton features a flat pushbutton actuator made of plastic, with a red colour for easy visibility and identification.
Can this pushbutton be used in outdoor environments?
Yes, the pushbutton is designed with a protection class of IP66, making it suitable for use in outdoor environments where it is protected against dust and powerful water jets.
What is the mounting style for this pushbutton?
This pushbutton is designed for front mounting with a round installation hole, providing a secure and stable installation on control panels.
What are the voltage specifications for the lamp in this pushbutton?
The lamp holder is designed for a BA 9s lamp with an operational voltage of 24V AC/DC, suitable for a range of industrial control applications.
What type of terminals does this pushbutton have for electrical connection?
The pushbutton is equipped with screw-type terminals, which provide a reliable and secure connection for electrical wiring.
Is there a specific ambient temperature range for operating this pushbutton?
The pushbutton can operate within an ambient temperature range of -25°C to +60°C, ensuring functionality across a wide range of environmental conditions.
Does this pushbutton come with a holder for the switching elements?
Yes, the pushbutton includes a holder for the switching elements, which allows for the integration of up to three switching elements if required.
What is the mechanical operating life of this pushbutton?
The pushbutton has a typical mechanical operating life of 3,000,000 cycles, indicating its durability and longevity in repetitive use scenarios.
What colour and material is the front ring of this pushbutton?
The front ring of the pushbutton is black and made of plastic, complementing the overall design and providing a clear contrast to the red actuator.
Does this pushbutton have a positive opening function?
Yes, the pushbutton does feature a positive opening function for the auxiliary contacts, which is an important safety feature in industrial control systems.
Part conditions explained
We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:
New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.