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Siemens

3SB3423-0B

£24.64 (ex. VAT)

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Marvo Stock ID MV-7H8O
HS Code 85365080
SKU 3SB3423-0B
Condition New sealed
Warranty 12 months
Weight (kg) 1.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00

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Specification & Description

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Specification & Description

Specification Description
Part Number 3SB3423-0B
Alternative Part Number 3SB34230B
Manufacturer Siemens
Contact Configuration 1 Normally Open (NO)
Rated Operational Voltage 400 V AC/DC
Rated Operational Current 10 A at 400 V AC
Connection Type Spring-loaded terminals
Operating Temperature Range -25°C to +70°C during operation, -25°C to +80°C during storage
Protection Class IP20 for terminal, IP40 for housing
Mechanical Operating Cycles Typically 10,000,000
Electrical Operating Cycles Typically 10,000,000 with contactors 3RT1015 to 3RT1026
Insulation Voltage Rated at 400 V
Impulse Voltage Resistance Rated at 4 kV
Degree of Pollution Class 3
Mounting Type Floor mounting
Dimensions Width: 10 mm, Height: 49 mm, Depth: 28 mm
Conductor Cross-section For auxiliary contacts: 2x (0.25 ... 1.5 mm²) solid, 2x (0.25 ... 0.75 mm²) finely stranded
Commodity Code 853650
Design Compact and robust design suitable for integration into control systems and industrial setups

The Siemens 3SB3423-0B is a robust contact block designed for seamless integration into enclosures, providing a reliable electrical interface for control systems. This component features a single normally open (NO) contact, capable of handling a wide range of operating currents up to 10 A at voltages as high as 400 V in AC applications, and varying current ratings for DC applications. The spring-loaded terminal design ensures a secure and maintenance-free connection, simplifying installation and reducing setup time.

Constructed to meet the demands of industrial environments, the 3SB3423-0B boasts an impressive mechanical operating life of 10 million cycles, making it a durable choice for repetitive operations. The part's compact dimensions, 49 x 10 x 28 mm, allow for efficient use of space within control panels. It also offers a degree of protection rated at IP20 for terminal protection and IP40 for enclosure protection, ensuring the component's resilience against ingress of solid objects.

This contact block is engineered to perform reliably within a broad temperature range, from -25°C to +70°C during operation, and -25°C to +80°C during storage, which attests to its suitability for a variety of challenging industrial settings. The Siemens 3SB3423-0B is a testament to quality engineering, providing a dependable solution for electrical control tasks in a wide array of applications.

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 does this component have?

The component is equipped with a single normally open (NO) contact.

Can this contact block be used with both AC and DC operating voltages?

Yes, this contact block is suitable for use with both AC and DC operating voltages.

What is the insulation voltage rating for this contact block?

The insulation voltage rating for this contact block is 400 V.

What is the thermal current capacity of this component?

The thermal current capacity of the 3SB3423-0B is 10 A.

What are the dimensions of this contact block?

The dimensions of the contact block are 49 mm in height, 10 mm in width, and 28 mm in depth.

What type of electrical connection does this contact block feature?

This contact block features spring-loaded terminals for electrical connections.

What is the protection class of this contact block?

The protection class for the terminals is IP20, and for the housing, it is IP40.

What is the maximum operating frequency for this contact block?

The maximum operating frequency for this contact block is 1,000 operations per hour.

How many mechanical operating cycles can this contact block withstand?

This contact block can withstand up to 10 million mechanical operating cycles.

Is this contact block suitable for front element integration?

Yes, this contact block is suitable for integration as a front element.

What is the ambient temperature range for operating this contact block?

The ambient temperature range for operating this contact block is from -25°C to +70°C.

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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.