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Siemens 6GK5491-2AB00-8AA2

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£252.47 (ex. VAT)

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Marvo Stock ID MV-3K38
HS Code 8517
SKU 6GK5491-2AB00-8AA2
Condition Used
Category General Automation
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

The Siemens SCALANCE X-400 Media Module MM491-2 is a high-performance accessory designed to enhance the capabilities of your industrial network infrastructure. This media module is engineered to provide reliable and efficient network connectivity, featuring two 100 Mbit/s multimode BFOC ports that support a range of up to 5 kilometres, depending on the optical fibre used.

Constructed with durability in mind, the MM491-2 operates effectively in a wide range of environmental conditions, with an operating temperature range of -40 to +70 degrees Celsius. This makes it suitable for use in a variety of industrial settings where temperature fluctuations are common. The module's hot-swappable design ensures minimal disruption to network operations, allowing for maintenance or upgrades without the need to power down the system.

The MM491-2 is compliant with several industry standards, including EN 61000-6-2 and EN 61000-6-4 for electromagnetic compatibility, and it carries the CE, C-Tick, and KC approvals, ensuring it meets the rigorous requirements for international use. Additionally, it is certified by marine classification associations, making it suitable for maritime applications.

With a compact design featuring a width of 35 mm, a height of 145 mm, and a depth of 90 mm, the MM491-2 is easy to integrate into existing network setups without requiring extensive space. Its latched mounting type allows for secure installation in media module slots, ensuring a stable and robust connection.

The Siemens SCALANCE X-400 Media Module MM491-2 is an essential component for industrial networks demanding high reliability, extended range, and compliance with international standards. Whether you're looking to expand your network's reach or enhance its resilience, this media module is an excellent choice for a wide array of industrial communication needs.

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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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.

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Frequently Asked Questions

What is the function of the SCALANCE X-400 Media Module?

The SCALANCE X-400 Media Module is an accessory for SCALANCE X-400 switches, designed to expand the connectivity options of the switch by providing additional fibre optic ports. It allows for the integration of multimode fibre connections to facilitate long-distance communication within industrial networks.

Can the media module be hot-swapped?

Yes, the media module is designed for hot swapping, which means it can be inserted or removed from a compatible device without needing to power down the system, allowing for minimal disruption to network operations.

What type of optical connections does the media module support?

The media module supports 100 Mbit/s ST(BFOC) ports for multimode fibre optic cables, enabling it to handle high-speed data transmissions over optical networks.

What are the ambient temperature ranges for operating the media module?

The media module can operate within an ambient temperature range of -40 to +70 degrees Celsius, making it suitable for a wide range of industrial environments.

What protection class does the media module adhere to?

The media module adheres to the IP20 protection class, which means it is protected against solid objects larger than 12.5mm but is not protected against water ingress.

What certifications does the media module hold?

The media module holds several certifications, including CE marking, C-Tick, and KC approval, indicating compliance with various international standards and regulations.

Is the media module suitable for use in hazardous areas?

Yes, the media module is suitable for use in certain hazardous areas, as it complies with standards such as EN 60079-0 and EN 60079-15 for explosive atmospheres, and has relevant certifications from FM, CSA, and UL.

What is the mean time between failures (MTBF) for the media module?

The media module has a mean time between failures (MTBF) of 138 years at 40 degrees Celsius, indicating a high level of reliability and longevity in typical operating conditions.

How does the media module contribute to network interference immunity?

The media module is designed to comply with the EN 61000-6-2 standard for interference immunity, which helps to ensure that it can operate reliably in industrial environments with high levels of electromagnetic interference.

What type of mounting does the media module use?

The media module uses a latched mounting type, which allows for secure installation in the media module slot of a compatible SCALANCE X-400 switch.

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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.

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