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Siemens 3SB3221-0AA21

Name: 3SB3221-0AA21
Brand: Siemens
SKU: 3SB3221-0AA21
Price: 28.11 GBP
Availability: InStock

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£28.11 (ex. VAT)

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Image shown may not reflect the final product

Marvo Stock ID MV-7H20

HS Code 85365080

SKU 3SB3221-0AA21

Condition New unboxed

Warranty 12 months

Weight (kg) 0.03

Length (mm) 63.00

Width (mm) 28.50

Height (mm) 8.00

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Specification & Description

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Commonly Asked Questions

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Customer Reviews

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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.

What payment methods do you accept?

We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

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.

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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Learn more about Marvo

Our service to you

Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

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.

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