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Siemens 3SB3403-0A

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3SB3403-0A

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Marvo Stock ID MV-779V
HS Code 85365080
SKU 3SB3403-0A
Condition New unboxed
Category General Automation
Warranty 12 months
Weight (kg) 0.00
Length (mm) 50.00
Width (mm) 46.00
Height (mm) 106.00

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Specification & Description

Specification Description
Part Number 3SB3403-0A
Alternative Part Number 3SB34030A
Manufacturer Siemens
Category General Automation
Voltage Range 5 to 400 V ac
Current Rating 10 A
Contact Configuration 1 Normally Open (NO) & 1 Normally Closed (NC)
Contact Material Gold-plated contacts
Connection Type Spring-loaded terminals
Mounting Type Front panel mounting
Operating Temperature -25 to +70 °C during operation
Storage Temperature -25 to +80 °C during storage
Mechanical Life Typically 10 million switching cycles
Electrical Life Typically 10 million switching cycles with contactors
Insulation Voltage Rated at 400 V
Pollution Degree Class 3
Operating Voltage (AC) 5 to 400 V at 50 Hz, 5 to 300 V at 60 Hz
Operating Voltage (DC) 5 to 230 V
Shock Voltage Resistance Rated at 4 kV
Protection Class IP40 for housing, IP20 for terminal connections
Dimensions (H x W x D) 45 mm x 10 mm x 33.4 mm
Commodity Code 853650

The Siemens 3SB3403-0A is a robust contact block designed for seamless integration into various control systems. This component is engineered to facilitate both normally open (NO) and normally closed (NC) operations, making it a versatile choice for a wide range of industrial applications. With a rated operational voltage ranging from 5 to 400 V ac and a consistent 10 A thermal current, it ensures reliable performance across different power setups.

Crafted for durability, the contact block boasts an impressive mechanical lifespan of up to 10 million switching cycles, highlighting its capacity for long-term use. The electrical lifespan also matches this endurance, particularly when used with contactors from the 3RT1015 to 3RT1026 series. The contact elements are gold-plated, which not only enhances conductivity but also provides resistance against corrosion, ensuring the integrity of connections over time.

The part is designed with user convenience in mind, featuring spring-loaded terminals that simplify the wiring process and ensure a secure, maintenance-free connection. It is suitable for front panel mounting, allowing for easy access and straightforward installation. The compact dimensions, with a height of 45 mm, width of 10 mm, and depth of 33.4 mm, make it an unobtrusive addition to control panels.

With an operational temperature range of -25 to +70°C, the Siemens 3SB3403-0A is built to withstand challenging environmental conditions, ensuring consistent operation even in demanding settings. Its protection ratings of IP40 for the housing and IP20 for the terminal connections further attest to its resilience against particulate ingress.

This contact block is an ideal solution for those seeking a reliable and efficient component to facilitate control and signalling functions within their automation systems. Whether used in manufacturing, processing, or other industrial environments, the Siemens 3SB3403-0A stands as a testament to quality and performance in general automation.

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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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.

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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.

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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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Frequently Asked Questions

What type of contact block is the Siemens 3SB3403-0A?

The Siemens 3SB3403-0A is a contact block that features 1 Normally Open (NO) and 1 Normally Closed (NC) contact, suitable for a variety of control and signalling applications.

Can the contact block be used with both AC and DC voltage?

Yes, the contact block is designed to operate with both AC and DC voltage, with an insulation voltage rating of 400 V.

What is the thermal current rating for this contact block?

The thermal current rating for the contact block is 10 A.

What is the mechanical lifespan of the contact block?

The mechanical lifespan of the contact block is typically around 10 million switching cycles, indicating its durability and reliability for long-term use.

What are the dimensions of the contact block?

The contact block has a height of 45 mm, a width of 10 mm, and a depth of 33.4 mm, making it compact and suitable for use in various control panel configurations.

What type of terminals does the contact block have for wire connection?

The contact block is equipped with spring-type terminals, which provide a secure and maintenance-free connection for the wires.

What is the operating temperature range for the contact block?

The operating temperature range for the contact block is from -25°C to +70°C, ensuring reliable operation in a wide range of environmental conditions.

What is the protection rating of the contact block's housing?

The housing of the contact block has a protection rating of IP40, which means it is protected against solid objects larger than 1 mm but not against liquids.

Is there a successor product for the Siemens 3SB3403-0A?

Yes, the Siemens 3SB3403-0A is an outgoing product and its preferred successor is the SIRIUS ACT 3SU1 series.

What is the switching frequency limit for this contact block?

The maximum switching frequency for the contact block is 1,000 operations per hour.

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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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