Search Icon Account Icon Basket Icon

Siemens 5SY5203-7

Wrong part? Click here

£170.28 (ex. VAT)

Learn more about our conditions.
Payment icons
5SY5203-7

Image shown may not reflect the final product

Marvo Stock ID MV-7RAL
HS Code 85362010
SKU 5SY5203-7
Condition New unboxed
Warranty 12 months
Weight (kg) 0.32
Length (mm) 76.00
Width (mm) 36.00
Height (mm) 90.00

Express delivery

Lightning fast delivery if ordered within 00:00:00

Need it urgently?

Call: +44 20 4570 3439

Quoting Marvo Stock ID: MV-7RAL

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 5SY5203-7
Manufacturer Siemens
Product Type Miniature Circuit Breaker
Rated Operational Voltage 400 V AC / 440 V DC
Interrupt Rate 10 kA
Number of Poles 2-pole
Tripping Characteristic Type C
Rated Current 3 A
Dimensions 90 x 36 x 76 mm
Protection Class IP20 with connected conductors
Mechanical Life Typically 10,000 operating cycles
Overvoltage Category III
Pollution Degree 3
Energy Limiting Class 3
Loss Power 1.3 W per pole at rated current in warm operating condition
Suitability for Use Universal current (AC/DC)
Features Halogen-free, plombierbar (sealable), silicon-free
Installation Any position, with quick fastening system
Environmental Considerations Vibration and shock resistant according to IEC 60068-2-6, operational temperature -40°C to 70°C
Weight Approximately 318 g

The Siemens 5SY5203-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection for electrical circuits. Engineered for both AC and DC applications, this versatile breaker is rated for a 400 V ac supply voltage and can handle a DC voltage of up to 440 V. It boasts an impressive interrupt rate of 10 kA, ensuring quick and effective disconnection in the event of a fault, which helps to safeguard both equipment and personnel.

With a compact form factor measuring 90 x 36 x 76 mm, the 5SY5203-7 is a two-pole device featuring a C tripping characteristic, making it suitable for a wide range of applications where space is at a premium but protection cannot be compromised. The device's quick assembly system facilitates easy installation, while its ability to be mounted in any position offers flexibility in system design.

The circuit breaker is designed with safety in mind, featuring touch protection to prevent accidental contact. Its halogen-free construction and the ability to seal the device contribute to its safe operation and compliance with environmental standards. The 5SY5203-7 is also silicon-free, making it suitable for use in environments where silicon could interfere with processes or equipment.

This miniature circuit breaker is an ideal choice for those seeking a reliable and efficient solution to protect against overcurrents in both commercial and industrial settings. Its universal current capability and compliance with relevant standards make it a dependable component in any electrical distribution system.

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 Thomas Roland Geaughan

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

Stars Martin Juřica

‘Fast offer, short delivery time.’

Stars Kayden

‘Services is great.’

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 circuit breaker is this?

This is a miniature circuit breaker designed for universal current applications, capable of interrupting short-circuit currents up to 10kA. It is a 2-pole breaker with a C tripping characteristic.

Can this circuit breaker be used with both AC and DC power supplies?

Yes, it is suitable for both AC and DC power supplies, with a rated operational voltage of 400 V for AC and 440 V for DC.

What are the dimensions of this circuit breaker?

The dimensions are 90 mm in height, 36 mm in width, and 76 mm in depth.

What is the tripping characteristic of this circuit breaker?

It has a C tripping characteristic, which means it is designed to trip at a current rating of 5 to 10 times its rated current, making it suitable for higher inrush currents typically found in applications with motors or similar inductive loads.

What is the installation method for this circuit breaker?

It features a quick assembly system, allowing for easy and fast installation.

What is the rated current of this circuit breaker?

The rated current for this circuit breaker is 3 A.

What is the breaking capacity of this circuit breaker?

The breaking capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2 when used in DC circuits.

Is this circuit breaker halogen-free?

Yes, it is halogen-free, which means it does not release halogenated gases under normal operating conditions, making it environmentally friendly and safer in the event of a fire.

Can this circuit breaker be used as a main switch according to EN 60204-1?

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

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

The circuit breaker can operate within an ambient temperature range of -40 °C to +70 °C.

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