3SB3-605-0AA21

The Siemens 3SB3-605-0AA21 pushbutton is a versatile and reliable switch designed for various applications in industrial automation and control systems. This pushbutton features a 1-NO (Normally Open) and 1-NC (Normally Closed) contact configuration, allowing it to act as both a make and break switch.

The pushbutton has a robust and compact design, with a black, flat actuator that offers a tactile and positive click feedback when pressed. The actuator is also ruggedly built to withstand the rigors of industrial environments, with a contact rating of up to 10 A at 250 V AC or 30 V DC.

The switch is rated for a operating temperature range of -25 C to 70 C (-13 F to 158 F), making it suitable for use in a wide range of temperature conditions. It is also IP65 rated, meaning it is protected against dust and water jets from all directions, making it an excellent choice for applications in harsh environments.

The Siemens 3SB3-605-0AA21 pushbutton is easy to install, with screw terminals that can accommodate wires up to 2.5 mm (10 AWG) in size. It is also UL listed and RoHS compliant, ensuring that it meets the highest standards of safety and environmental sustainability.

Overall, the Siemens 3SB3-605-0AA21 pushbutton is a high-quality and reliable switch that is well-suited for a variety of industrial automation and control applications. Its robust design, versatile contact configuration, and easy installation make it an excellent choice for engineers and technicians looking for a reliable and durable pushbutton switch.

The Siemens 3SB3-605-0AA21 pushbutton is a commonly used model in various automation applications due to its reliability and durability. Here are some pros and cons of buying this particular pushbutton:

1. Robust Design: This pushbutton is known for its robust design, which makes it suitable for harsh industrial environments. It is rated for an operating temperature range of -40 C to 70 C and can withstand vibrations and shocks.

2. Versatile: The 3SB3-605-0AA21 pushbutton is available in various configurations, including normally open (NO) and normally closed (NC), making it a versatile component for a wide range of applications.

3. Easy to Install: The pushbutton comes with a mounting plate and screws, making it easy to install and mount on a DIN rail or panel.

4. UL Recognized: This pushbutton is UL recognized, which means it meets the safety and performance requirements set by Underwriters Laboratories.

5. Cost-Effective: Compared to other pushbuttons in its class, the 3SB3-605-0AA21 is relatively affordable, making it a cost-effective choice for many automation projects.

1. Limited Customization: While the 3SB3-605-0AA21 pushbutton comes in various configurations, it may not offer the level of customization that some users require. For instance, it may not be available in different colors or with special labels.

2. Limited Operating Leverage: The pushbutton has a limited operating leverage, which may not be suitable for applications where a greater force is required to actuate the button.

3. May Require Additional Components: Depending on the application, additional components such as a contactor or relay may be required to complete the circuit.

In conclusion, the Siemens 3SB3-605-0AA21 pushbutton is a reliable and cost-effective choice for various automation applications. Its robust design, versatility, and easy installation make it a popular choice among engineers and technicians. However, it may not offer the level of customization that some users require, and additional components may be necessary to complete the circuit.

If you are looking for a reliable and cost-effective pushbutton for your automation project, the Siemens 3SB3-605-0AA21 pushbutton is a good choice. Its robust design, versatility, and easy installation make it a popular choice among engineers and technicians. However, if you require a pushbutton with a greater operating leverage or specific customization options, you may want to consider other models or manufacturers. Ultimately, the decision depends on your specific application requirements and budget.

Details:

No questions asked. Our says it all. Features: fast shipping.

specifications indusswitch:

• brand: Siemens
• mpn: 3sb3-605-0aa21
• maximum amperage: 10 A
• features: Illuminated
• switch style: Push Button/retractive
• button color: Red

shipping indusswitch:

• carrier: usps, ups
• service: usps ground advantage, usps priority mail, ups next day air
• class: standard, expedited, one-day
• transit: 4-7 days
• type: calculated

seller indusswitch:

• city: north ridgeville, ohio
• rating: 100.0%
• # reviews: 3547

general indusswitch:

• category: Business & Industrial > Electrical Equipment Supplies > Pushbutton Switches

payments indusswitch:

• wallet: google-pay
• credit card: diners-club
• other

offer indusswitch:

• best offers: true
• in stock #: 5
• started: january 8, 2026
• prices: $23.50–$79.80
• item condition:
  • New – Open box
  • New
• options: ship-to-home
• sold #: 17
• availability: in stock

returns indusswitch:

• time: 30 days
• method: money back
• paid by: seller
• policy: returns accepted

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