3SB3403-0C

The Siemens 3SB3403-0C is a versatile and high-performing pushbutton switch contact block designed for various automation applications. This contact block is a part of Siemens' reliable and long-lasting 3SB series, which is known for its robustness and reliability.

This single-pole, changeover contact block is composed of a block with six normally open (NO) pushbutton contacts and two normally closed (NC) contact elements. Each pushbutton contact can accommodate a maximum operating current of 10 A at 250 V AC or 30 V DC, making it suitable for use with various low-voltage and current control circuits.

The contact block is designed with a compact and space-saving form factor, measuring only 47.5 mm in width and 35 mm in height. Its modular design allows for easy integration into various control panels and automation systems, saving valuable space and simplifying wiring requirements.

The Siemens 3SB3403-0C pushbutton switch contact block is constructed from high-quality materials, ensuring durability and resistance to harsh environments. The contacts are made of silver-plated copper, providing excellent electrical conductivity and long contact life. The switch actuators are made of robust and impact-resistant polycarbonate material, ensuring reliable operation even in demanding applications.

The contact block is also designed with a number of user-friendly features, including a clear and easy-to-read marking of the contact poles and a snap-in mounting design for quick and easy installation. Additionally, the contact block is equipped with a safety mechanism that prevents inadvertent actuation of the contacts when the cover is removed.

The Siemens 3SB3403-0C pushbutton switch contact block is a reliable and efficient solution for various automation applications, offering a combination of high performance, compact design, and user-friendly features. Whether you're looking to control lighting systems, HVAC systems, or other automation applications, this contact block is an excellent choice for ensuring reliable and efficient operation.

The Siemens 3SB3403-0C pushbutton switch contact block is a versatile and durable component used in various automation applications. Here are some pros and cons of buying this switch contact block:

1. Reliability: Siemens is a well-known brand in the automation industry, and this contact block is built to last. It is designed to withstand heavy usage and harsh environments.

2. Versatility: This contact block is suitable for a wide range of applications, including pushbutton switches, limit switches, and proximity switches. It can handle currents up to 10A and voltages up to 24V DC.

3. Easy installation: The contact block is easy to install, and it comes with clear markings and a user-friendly design. It can be mounted on a DIN rail or directly on a panel.

4. Safety: The contact block is designed with safety in mind. It has a built-in overload protection, which prevents the contact from welding shut if there is a fault in the circuit.

5. Cost-effective: Compared to other contact blocks in its class, the Siemens 3SB3403-0C is reasonably priced, making it a cost-effective solution for automation projects.

1. Limited compatibility: This contact block is only compatible with Siemens pushbutton switches and other switches with a similar contact configuration.

2. Limited number of contacts: This contact block comes with a limited number of contacts, which may not be sufficient for larger automation projects.

3. Requires additional components: To use this contact block, you may need to purchase additional components, such as wires, mounting hardware, and screw terminals.

In conclusion, the Siemens 3SB3403-0C pushbutton switch contact block is a reliable, versatile, and cost-effective solution for various automation applications. Its ease of installation and built-in safety features make it a popular choice among engineers and technicians. However, its limited compatibility and number of contacts may be a drawback for larger projects, and additional components may be required for installation.

Recommendation: If you are looking for a reliable and versatile contact block for your automation project, the Siemens 3SB3403-0C is a great choice. However, make sure that it is compatible with your specific application and that you have all the necessary components for installation. If you require a larger number of contacts, consider purchasing a multi-contact block or multiple contact blocks.

Details:

I don't believe these have ever been used, but am listing them as such due to the fact that they are without original box and may minor scuffs.

specifications indusswitch:

• brand: Siemens
• mpn: 3sb3403-0c
• fuse type: Switch

payments indusswitch:

• credit card: discover
• other
• wallet: paypal

general indusswitch:

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

seller indusswitch:

• city: garrett, kentucky
• rating: 99.3%
• # reviews: 1691

offer indusswitch:

• options: ship-to-home
• in stock #: 5
• availability: in stock
• best offers: true
• sold #: 10
• prices: $5.76–$172.00
• item condition:
  • New – Open box
  • Used
  • New
  • Neu: Sonstige (siehe Artikelbeschreibung)
  • Neu
  • Brand New
  • Gebraucht
• started: april 7, 2026

shipping indusswitch:

• carrier: usps
• class: standard
• type: calculated
• transit: 4-10 days
• service: usps ground advantage

returns indusswitch:

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

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