Image shown may not reflect the final product

Siemens 3TH4373-0AP0

Name: 3TH4373-0AP0
Brand: Siemens
SKU: 3TH4373-0AP0
Price: 74.03 GBP
Availability: InStock

Wrong part? Click here

£74.03 (ex. VAT)

2 ready to ship

Learn more about our conditions.

Image shown may not reflect the final product

Marvo Stock ID MV-7J0J

HS Code 85364900

SKU 3TH4373-0AP0

Condition New unboxed

Warranty 12 months

Weight (kg) 0.20

Length (mm) 102.00

Width (mm) 55.00

Height (mm) 78.00

EAN 4011209049543

Express delivery

Lightning fast delivery if ordered within 00:00:00

Need it urgently?

Call: +44 20 4570 3439

Quoting Marvo Stock ID: MV-7J0J

Select condition

We're working hard to deliver your orders on time over the holiday period, but please be aware that some lead times may be extended.

Learn more about our conditions.

Returns Hassle-free returns

Thumbs up No hidden fees or duties

Shipping Swift dispatch and delivery

Similar Products

3SB1901-3AC

Available from

£19.41 (ex. VAT)

Buy now

6SE6440-2AB17-5AA1 6SE6 440-2AB17-5AA1

£339.33 (ex. VAT)

6ES7925-4BB00-0AA0

£107.93 (ex. VAT)

E/A-BUS 6DS1312-8BB

£1,053.66 (ex. VAT)

More about this product

Specification & Description

View now

Commonly Asked Questions

View now

Customer Reviews

View now

Specification & Description

Specification	Description
Part Number	3TH4373-0AP0
Alternative Part Number	3TH43730AP0
Manufacturer	Siemens
Product Designation	Auxiliary Contactor
Contactor Size	0
Number of Contacts	7 Normally Open (NO), 3 Normally Closed (NC)
Terminal Type	Screw Terminals
Operating Voltage	AC 230/220V 50Hz, AC 276/264V 60Hz
Ambient Operating Temperature	-25 to +55 °C
Protection Class	IP20 on the front
Reference Code	K (according to DIN EN 61346-2)
Control Supply Voltage Frequency	50 Hz / 60 Hz
Operating Current at AC-15	10 A at 230 V, 6 A at 400 V
Mounting Type	Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Dimensions (Width x Height x Depth)	55 mm x 78 mm x 102 mm
Protection Against Electrical Shock	Finger-safe
B10 Value	1,000,000 operations with high demand rate (with 0.3 x Ie)
T1 Value	20 years for proof test interval or service life (according to IEC 61508)
Approvals	General Product Approval, Functional Safety / Safety of Machinery, Type Examination

The Siemens 3TH4373-0AP0 is a high-quality contactor relay designed to facilitate the control of electrical circuits within a wide range of industrial applications. This component is part of the 3TH4 series and is engineered to meet the rigorous demands of modern automation systems.

Featuring a configuration of 7 normally open (NO) and 3 normally closed (NC) contacts, the 3TH4373-0AP0 offers versatility in integrating with various control schemes. The screw terminals provide a secure and reliable connection, ensuring stable operation and ease of installation.

Constructed to operate with an AC control supply voltage of 230V at 50Hz or 277V at 60Hz, this contactor relay is suitable for use in regions with different power supply standards. The device is designed to function optimally within an ambient temperature range of -25 to +55 degrees Celsius, making it robust enough for challenging environmental conditions.

The compact size of the contactor, with dimensions of 55mm in width, 78mm in height, and 102mm in depth, allows for efficient use of space inside control cabinets. Additionally, it can be easily mounted onto a 35mm standard mounting rail according to DIN EN 50022, which is a common feature in electrical installations.

The 3TH4373-0AP0 is rated for operating currents of 10A at 230V and 6A at 400V under AC-15 utilization category, which indicates its suitability for controlling electromagnets in the specified current ranges. The protection class IP20 ensures that the contactor relay is safeguarded against solid objects larger than 12mm, adding a layer of protection for the internal components.

This Siemens contactor relay is a reliable choice for professionals seeking a durable and efficient solution for controlling electrical circuits in industrial environments.

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.

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.

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.

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.

How do I create an account?

Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.

Peace of mind with every purchase

Anna

‘I can recommend quick, efficient, and professional.’

Julien

‘Perfect quick delivery, good service.’

Blažej Knežo

‘Quick response and fast delivery of the product.’

Andreas Boehm

‘Excellent service. The right gear and the right price,well packed and delivered on time.’

Milan Kosík

‘Large selection of spare parts, fast delivery.’

Ms. Mia

‘Quick response, good item, delivery on schedule.’

Julien

‘Perfect quick delivery, good service.’

Thomas Roland Geaughan

‘Prompt and expert service. Ease of access to find the parts I needed.’

Blažej Knežo

‘Quick response and fast delivery of the product.’

Milan Kosík

‘Large selection of spare parts, fast delivery.’

Anna

‘I can recommend quick, efficient, and professional.’

Julien

‘Perfect quick delivery, good service.’

Martin Ruml

‘Rapid delivery.’

Learn more about Marvo

Our service to you

Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

Frequently Asked Questions

What is the size of the contactor for this part?

The contactor size for this Siemens contactor relay is size 0, which is a standard size classification for this type of component.

What is the protection class IP rating on the front of this contactor relay?

The protection class IP rating on the front of this contactor relay is IP20, indicating a basic level of protection against solid objects.

What are the ambient operating temperature limits for this contactor relay?

The ambient operating temperature range for this contactor relay is between -25°C and +55°C.

What type of control supply voltage is required for this contactor relay?

This contactor relay requires an AC control supply voltage.

What are the rated control supply voltage values for this contactor relay at 50 Hz and 60 Hz?

At 50 Hz, the rated control supply voltage value is 230 V AC, and at 60 Hz, it is 277 V AC.

How many normally closed (NC) and normally open (NO) contacts does this contactor relay have?

This contactor relay has 3 normally closed (NC) contacts and 7 normally open (NO) contacts.

What are the operating current ratings for this contactor relay at AC-15?

The operating current ratings at AC-15 are 10 A at 230 V and 6 A at 400 V.

What is the mounting type for this contactor relay?

The mounting type for this contactor relay is screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.

What are the dimensions of this contactor relay?

The dimensions of this contactor relay are 55 mm in width, 78 mm in height, and 102 mm in depth.

What is the B10 value and T1 value for this contactor relay?

The B10 value with a high demand rate according to SN 31920 is 1,000,000 with 0.3 x Ie, and the T1 value for proof test interval or service life according to IEC 61508 is 20 years.

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.

The Smart Part

Factories implementing AI-driven systems, highlighting the benefits of investing in artificial intelligence.## Should You Be Investing in Artificial Intelligence?

Should you be investing in artificial intelligence?

Marvo

Just a few years back, investing in AI only existed in the realm of science fiction. It was a futuristic technology that could be found solely in books or in Hollywood films. Fast forward to todays world and AI is rapidly becoming an integral part of our daily lives. It is reshaping how we work, communicate and solve complex problems.

4 min read

December 13, 2024

The top 10 ways to improve your supply chain strategy

10 advanced techniques to improve your supply chain strategy

Marvo

A robust supply chain strategy is crucial in today’s interconnected and rapidly evolving global economy. Problems that businesses face include shifting consumer preferences, interruptions in supply, and an increasing focus on sustainability. This article delves into ten cutting-edge methods, in order to keep supply chain tactics robust, efficient, and competitive.

7 min read

November 22, 2024

What is supply chain optimisation?

Marvo

Supply chain optimisation is the key to navigating today's rapidly evolving manufacturing landscape. By improving their operations and logistics, businesses can reach greater levels of efficiency. This refinement also leads to strategic agility. As a result, companies position themselves to adapt to new challenges and seize opportunities.

6 min read

November 1, 2024

See all articles