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Siemens 3RT2926-1BB00

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£26.22 (ex. VAT)

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Marvo Stock ID MV-7F3U
HS Code 85363010
SKU 3RT2926-1BB00
Condition New sealed
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

Specification Description
Part Number 3RT2926-1BB00
Alternative Part Number 3RT29261BB00
Manufacturer Siemens
Product Type Surge Suppressor
Suitable For Use with Motor Contactors Size S0
Voltage Range (AC) 24 to 48 V
Voltage Range (DC) 24 to 70 V
Design With Varistor
Ambient Temperature (Operating) -25°C to +60°C
Ambient Temperature (Storage) -40°C to +80°C
Control Supply Voltage Frequency (1) 50 Hz
Control Supply Voltage Frequency (2) 60 Hz
Mounting Type Clip-on
Mounting Position Any
Width 30 mm
Height 19 mm
Depth 12 mm
Certificates/Approvals CE, UL, CSA, CCC

The Siemens 3RT2926-1BB00 is a robust surge suppressor designed to enhance the performance and longevity of motor contactors, specifically those of size S0. This component utilises a varistor to effectively manage and mitigate voltage spikes, ensuring the protection of sensitive control circuits against transient surges. It is compatible with both alternating current (AC) and direct current (DC) control supply voltages, accommodating a range from 24 to 48 volts for AC and 24 to 70 volts for DC.

Crafted with reliability in mind, the 3RT2926-1BB00 operates efficiently within a broad ambient temperature range, from as low as -25°C to as high as +60°C during operation, and can withstand storage temperatures from -40°C to +80°C. This flexibility ensures consistent performance across various environmental conditions.

Installation is straightforward, thanks to its clip-on mounting design, allowing for quick and secure attachment to the contactor. The compact dimensions of the surge suppressor, with a width of 30mm, a height of 19mm, and a depth of 12mm, make it an unobtrusive addition to any electrical setup.

The 3RT2926-1BB00 is certified with CE, UL, CSA, and CCC approvals, reflecting its compliance with international standards and its suitability for a wide range of industrial applications. Whether used in control panels, machinery, or automation systems, this surge suppressor is an essential component for safeguarding electrical equipment from voltage transients.

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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Frequently Asked Questions

What is the purpose of this surge suppressor?

The surge suppressor is designed to protect motor contactors from voltage spikes and transients in electrical circuits, ensuring the longevity and reliability of the contactors.

Can this surge suppressor be used with any size of motor contactor?

No, this surge suppressor is specifically designed for use with Size S0 motor contactors.

What types of voltage is this surge suppressor compatible with?

The surge suppressor is compatible with both AC and DC control supply voltages, specifically AC 24 to 48V and DC 24 to 70V.

How is the surge suppressor installed?

The surge suppressor is designed for easy clip-on mounting, allowing for quick and secure installation onto the contactor.

What is the operating temperature range for this surge suppressor?

The operating temperature range for the surge suppressor is from -25°C to +60°C, and it can be stored in temperatures ranging from -40°C to +80°C.

Does this surge suppressor have any certifications?

Yes, the surge suppressor comes with CE, UL, CSA, and CCC certifications, indicating compliance with international standards.

What is the design of the surge suppressor?

The surge suppressor is designed with a varistor, which is a voltage-dependent resistor that helps to limit surge voltages by diverting or absorbing spike energies.

What are the dimensions of this surge suppressor?

The dimensions of the surge suppressor are 30mm in width, 19mm in height, and 12mm in depth.

Can the surge suppressor be mounted in any orientation?

Yes, the surge suppressor can be mounted in any orientation, providing flexibility during installation.

Is there any special maintenance required for this surge suppressor?

No special maintenance is required for the surge suppressor. However, it should be periodically checked for damage or wear and replaced if necessary to ensure continued protection.

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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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