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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3SB3221-0AA31 |
| Alternative Part Number | 3SB32210AA31 |
| Manufacturer | Siemens |
| Design | 22mm Plastic Round Complete Unit |
| Actuator Type | Illuminated Pushbutton |
| Actuator Shape | Flat Pushbutton |
| Actuator Colour | Yellow |
| Material | Plastic (Actuator and Front Ring), Plastic Holder |
| Front Ring Colour | Black |
| Contact Configuration | 1 Normally Open (NO) + 1 Normally Closed (NC) |
| Connection Type | Screw Terminal |
| Supply Voltage | 24V AC/DC |
| Operational Voltage | 24V AC/DC |
| Lamp Holder | BA 9S with Lamp |
| Mounting Type | Front Mounting |
| Mounting Hole Shape | Round |
| Mounting Diameter | 22mm |
| Protection Class | IP66 |
| Ambient Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +80°C |
| Resistance to Shock | <= 30g (IEC 60068-2-27) |
| Resistance to Vibration | 20 ... 200 Hz: 5g (IEC 60068-2-6) |
| Mechanical Operating Cycles | Typically 3,000,000 |
| Tightening Torque (Max) | 1 N·m |
| Climatic Operating Class | 3K6 (EN 60721) |
| Compliance | General Product Approval with Declaration of Conformity |
The Siemens 3SB3221-0AA31 is a high-quality, 22mm plastic round complete unit designed for a variety of industrial applications. This robust component features an illuminated pushbutton with a flat button design, complete with a BA 9S lamp holder and a 24V AC/DC lamp. It is equipped with screw terminals for secure and reliable electrical connections.
The unit includes a single normally open (NO) and a single normally closed (NC) contact, providing flexibility for integration into various control circuits. The operational voltage is rated at 24V AC/DC, making it suitable for a wide range of operating environments. The actuator comes in a vibrant yellow colour, made from durable plastic, and is designed as a momentary contact type, returning to its original position after actuation.
The front ring of the product is black, crafted from plastic, and adheres to the standard design, ensuring it fits seamlessly into control panels. The 3SB3221-0AA31 does not include an emergency stop function, which allows it to be used in less critical applications where this feature is not required.
With a protection class of IP66, this pushbutton unit is well-protected against dust and high-pressure water jets, making it suitable for use in harsh industrial environments. It can operate within a temperature range of -25°C to +60°C and can be stored in temperatures ranging from -40°C to +80°C, ensuring reliability and longevity in a variety of climates.
The Siemens 3SB3221-0AA31 is designed for front mounting and requires a 22mm diameter hole for installation. Its mechanical operating cycles are rated typically at 3,000,000, highlighting the unit's durability and suitability for high-use scenarios.
This component is an excellent choice for those seeking a reliable and efficient solution for their industrial control systems, offering both visual indication and switching capability in a single, compact package.
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Frequently Asked Questions
What type of actuator does this pushbutton have?
The pushbutton features an illuminated pushbutton actuator with a flat yellow plastic activation element.
Can this pushbutton be used in outdoor environments?
Yes, it is suitable for outdoor use as it has a protection class of IP66, making it dust-tight and protected against powerful water jets.
What is the shape and size of the installation hole required for this pushbutton?
The pushbutton requires a round installation hole with a mounting diameter of 22mm.
Is this pushbutton suitable for emergency stop functions?
No, this pushbutton does not have an EMERGENCY STOP function.
What are the voltage and current specifications for this pushbutton?
The pushbutton operates with a rated voltage of 24V AC/DC and has different current ratings depending on the type of load and voltage level, with a maximum operating current of 10A at AC-12 and 3A at DC-13.
What type of electrical connection does this pushbutton have?
It has screw-type terminals for its electrical connections.
Does this pushbutton come with a lamp holder?
Yes, it comes with a lamp holder BA 9S and includes a lamp for illumination.
What is the ambient temperature range for operating this pushbutton?
The pushbutton can operate within an ambient temperature range of -25°C to +60°C.
How many switching positions does this pushbutton have?
This pushbutton has 2 switching positions.
What is the resistance against shock and vibration for this pushbutton?
The pushbutton can withstand shocks up to 30g in accordance with IEC 60068-2-27 and vibrations of 5g between 20 to 200 Hz as per IEC 60068-2-6.
