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Siemens

5SY6120-7

£39.89 (ex. VAT)

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Marvo Stock ID MV-1MV6
HS Code 85362010
SKU 5SY6120-7
Condition New unboxed
Warranty 12 months
Weight (kg) 2.00
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 5SY6120-7
Alternative Part Number 5SY61207
Manufacturer Siemens
Type Miniature Circuit Breaker
Operation Mechanism Toggle
Rated Voltage 400 V ac
Rated Short-Circuit Capacity 5 kA
Rated Current 20 A
Connection Type Screw
Mounting DIN Rail Mount
Dimensions 17.6 x 76.4 x 89.8 mm
Number of Poles 1
Tripping Characteristic Class C
Mounting Position Any
Commodity Code 853710

The Siemens 5SY6120-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. Engineered for quick assembly and easy installation on a DIN rail, this single-pole device is suitable for both AC and DC circuits, with a rated voltage of 400 V AC and a rated current of 20 A. It features a C tripping characteristic, ensuring a precise response to overcurrent conditions, making it an ideal choice for industrial, commercial, and residential electrical systems.

With a compact width of just 18 mm, it conserves valuable space inside electrical enclosures, while its 90 mm height and 76 mm depth ensure it fits seamlessly into standard configurations. The circuit breaker is designed to withstand a range of environmental conditions, maintaining its performance in temperatures from -25 °C to +55 °C, making it a versatile solution for various climates.

The 5SY6120-7 is crafted with safety and durability in mind, boasting a mechanical life of 20,000 operating cycles and a high breaking capacity of 5 kA according to IEC 60947-2 standards. Its touch-protection feature ensures additional safety during operation and maintenance, while its halogen-free and silicon-free construction reflects a commitment to environmental considerations.

This miniature circuit breaker is also designed for flexibility, with the ability to connect to a wide range of conductor cross-sections, from 0.75 mm² to 35 mm² solid and stranded wires, and up to 25 mm² for finely stranded wires with core end processing. The tightening torque specifications ensure a secure and reliable connection, contributing to the overall stability and safety of the electrical system.

The Siemens 5SY6120-7 is a testament to Siemens' dedication to quality, reliability, and innovation in electrical protection technology. It is a practical choice for those seeking a dependable circuit protection solution that balances performance with ease of use.

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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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.

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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 mounting options for this circuit breaker?

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

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

Yes, this circuit breaker is suitable for use with both AC and DC voltages, providing versatility in application.

What is the rated current of this circuit breaker?

The rated current for this circuit breaker is 20 A, making it suitable for circuits with similar current requirements.

What is the tripping characteristic of this circuit breaker?

This circuit breaker has a 'C' tripping characteristic, which means it is designed to trip at current levels between 5 to 10 times its rated current, providing protection for general circuits.

What is the breaking capacity of this circuit breaker?

The breaking capacity, also known as interrupting capacity, is rated at 5 kA according to the product specifications.

What are the dimensions of this circuit breaker?

The dimensions of the circuit breaker are 17.6 mm in width, 76.4 mm in depth, and 89.8 mm in height.

What type of connections does this circuit breaker support?

This circuit breaker supports screw-type connections, ensuring secure and reliable wiring.

Is this circuit breaker suitable for residential or commercial applications?

This circuit breaker is versatile and can be used in both residential and commercial settings, depending on the specific electrical protection requirements.

How can I determine if this circuit breaker is compatible with my system?

To ensure compatibility, you should check the voltage, current, and tripping characteristics required for your system and compare them with the specifications of the 5SY6120-7.

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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.