Search Icon Account Icon Basket Icon

Siemens 5SY4302-7

Wrong part? Click here

£53.43 (ex. VAT)

Don't want it used? Get it NEW
Payment icons
5SY4302-7
5SY4302-7
5SY4302-7

Image shown may not reflect the final product

Marvo Stock ID MV-73TJ
HS Code 85362010
SKU 5SY4302-7
Condition Used
Warranty 12 months
Weight (kg) 1.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00

Express delivery

Lightning fast delivery if ordered within 00:00:00

Need it urgently?

Call: +44 20 4570 3439

Quoting Marvo Stock ID: MV-73TJ

Similar Products

6ES7954-8LE04-0AA0

Available from

£188.81 (ex. VAT)

Buy now

More about this product

Chevron

Specification & Description

View now
Chevron

Commonly Asked Questions

View now
Chevron

Customer Reviews

View now
Chevron

Similar Products

View now

Specification & Description

Specification Description
Part Number 5SY4302-7
Alternative Part Number 5SY43027
Manufacturer Siemens
Type Miniature Circuit Breaker
Actuation Toggle
Rated Voltage 400 V ac
Breaking Capacity 5 kA
Rated Current 2 A
Connection Type Screw
Mounting DIN Rail Mount
Dimensions 52.8 x 76 x 89.8 mm
Number of Poles 3-pole
Tripping Characteristic Type C
Installation Depth 70 mm
Halogen-Free Yes
Sealable Yes
Silicon-Free Yes
Supplementary Device Installable Yes
Short-Circuit Current Breaking Capacity (Icn) 5 kA (according to UL 1077 and CSA C22.2 No.235)
Connectable Conductor Cross-Section Solid/Stranded 0.75 mm² - 35 mm²
Connectable Conductor Cross-Section Finely Stranded with Core End Processing 0.75 mm² - 25 mm²
AWG Number as Coded Connectable Conductor Cross Section 18 - 4
Tightening Torque with Screw-Type Terminals 2.5 N·m - 3.5 N·m
Position of Power Supply Cord Any
Mechanical Design Quick assembly system, any mounting position
Net Weight 466 g
Environmental Conditions Max. 95% humidity up to 55°C, max. 55% humidity up to 70°C, max. 35% humidity up to 75°C
Vibration Resistance ±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz
Ambient Temperature during Operation -40 °C - 70 °C
Ambient Temperature during Storage -40 °C - 75 °C
Number of Test Cycles for Environmental Testing 6 according to IEC 60068-2-30
Compliance IEC / EN 60898-1, IEC / EN 60947-2 / UL1077

The Siemens 5SY4302-7 miniature circuit breaker is a robust and reliable solution designed to protect electrical circuits from overloads and short circuits, ensuring operational safety and efficiency. This three-pole breaker is rated for 400 V ac with a 5 kA short-circuit current breaking capacity, making it suitable for a wide range of industrial applications. With a 2 A current rating and a C tripping characteristic, it provides precise protection for circuits with moderate inrush currents, such as those with small motors or resistive loads.

Crafted for convenience, the 5SY4302-7 features a toggle actuator for easy manual operation and a screw terminal connection for secure wiring. Its compact dimensions of 52.8 x 76 x 89.8 mm allow for efficient use of space on a DIN rail mounting system, which is a standard in control cabinet layouts. The quick assembly system further simplifies installation, making it a practical choice for both new designs and maintenance tasks.

Engineered to perform in diverse environments, this circuit breaker can operate within a temperature range of -40 °C to 70 °C, and its mechanical design is vibration resistant, ensuring consistent performance even in demanding conditions. The device is also halogen-free and silicon-free, which is an important consideration for industries where environmental safety and material compliance are critical.

The Siemens 5SY4302-7 is a testament to quality and reliability, providing effective circuit protection with the engineering excellence expected from a leading brand in electrical components.

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.

Read more...

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.

Read more...

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.

Read more...

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.

Read more...

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.

Read more...

Peace of mind with every purchase

Stars Julien

‘Perfect quick delivery, good service.’

Stars Blažej Knežo

‘Quick response and fast delivery of the product.’

Stars Andreas Boehm

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

Learn more about Marvo
 

Our service to you

Stopwatch

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.

Shield

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.

Checkmark

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.

Stars

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 type of device is this?

This is a miniature circuit breaker designed for protecting electrical circuits from overcurrents and short circuits.

What are the voltage and interrupting capacity specifications?

The circuit breaker operates at 400 V ac with a 5 kA short-circuit current breaking capacity.

Can you describe the mounting style of this circuit breaker?

The circuit breaker is designed for DIN rail mounting, which allows for easy installation and removal within electrical enclosures.

What is the current rating for this circuit breaker?

The current rating for this circuit breaker is 2 A.

What are the dimensions of this circuit breaker?

The dimensions are 52.8 mm in width, 76 mm in depth, and 89.8 mm in height.

What type of terminals does this circuit breaker have?

It is equipped with screw terminals for secure and reliable wire connections.

Is this circuit breaker suitable for use as a main switch?

Yes, it has properties suitable for use as a main switch in accordance with EN 60204-1.

What is the tripping characteristic of this circuit breaker?

This circuit breaker has a 'C' tripping characteristic, which means it is suitable for applications with a moderate inrush current.

What is the environmental operating temperature range for this circuit breaker?

The operating temperature range is from -40 °C to 70 °C, ensuring reliable performance in various environmental conditions.

Is the circuit breaker halogen-free?

Yes, it is halogen-free, making it a safer choice for environments where reducing toxic gas emissions is a concern.

Part condition box

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

AI in manufacturing: AI-driven automation improving efficiency on a production line

An in-depth overview of AI in manufacturing

Marvo

Manufacturing has evolved remarkably over the centuries, transitioning from manual labour to mechanisation and automation. Another major shift, this time prompted by AI, is about to occur in our world today. A new age of smart manufacturing is dawning as AI is seamlessly integrated into manufacturing processes. This is bringing about significant improvements in efficiency, precision, and innovation.

8 min read January 7, 2025
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
See all articles