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Siemens 3RT2936-1ER00

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£33.22 (ex. VAT)

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Marvo Stock ID MV-7F6I
HS Code 85364900
SKU 3RT2936-1ER00
Condition New sealed
Warranty 12 months
Weight (kg) 0.01
Length (mm) 14.50
Width (mm) 30.00
Height (mm) 30.00
EAN 4011209920576

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Specification & Description

Specification Description
Part Number 3RT2936-1ER00
Alternative Part Number 3RT29361ER00
Manufacturer Siemens
Product Type Surge Suppressor
Design Diode Combination
Rated Control Supply Voltage 24 V DC
Suitable For Contactors 3RT2.3 and 3RT2.4
Mounting Type Clip-on
Mounting Position Any
Width 30 mm
Height 30 mm
Depth 14.5 mm
Ambient Operating Temperature Range -25 °C to +60 °C during operation, -40 °C to +80 °C during storage
Certificates/Approvals CE, UL, CSA, CCC
General Product Approval EMC Declaration of Conformity

The Siemens 3RT2936-1ER00 is a high-quality surge suppressor designed to provide optimal protection for contactors within the S2 and S3 size range. This diode combination unit operates at a control supply voltage of 24 V DC, ensuring reliable suppression of voltage spikes that can occur in industrial control systems. With an ambient operating temperature range of -25°C to +60°C and a storage temperature range of -40°C to +80°C, it is built to withstand harsh conditions and maintain performance stability.

The compact dimensions of 30mm in width, height, and a depth of 14.5mm allow for easy installation in space-constrained environments. The clip-on mounting type facilitates quick and secure attachment to the contactor, making it a convenient addition to any setup. The surge suppressor is certified with CE, UL, CSA, and CCC approvals, demonstrating its compliance with international standards and its suitability for global use.

Engineered by Siemens under the SIRIUS product brand, the 3RT2936-1ER00 is a testament to the company's commitment to quality and innovation in electrical protection components. Its robust design and reliable performance make it an essential part of safeguarding electrical circuits from transient overvoltage, thereby extending the lifespan of the contactors and the systems they control.

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 function of this surge suppressor?

The surge suppressor is designed to protect electrical devices from voltage spikes by limiting the voltage supplied to an electric device by either blocking or shorting to ground any unwanted voltages above a safe threshold.

Can this surge suppressor be mounted in any position?

Yes, the surge suppressor can be mounted in any position, offering flexibility during installation.

What type of contactors is this surge suppressor compatible with?

This surge suppressor is compatible with contactors of size S2 and S3.

What is the design of the surge suppressor?

The design of the surge suppressor is a diode combination, which is effective for suppressing voltage transients.

What are the ambient temperature limits for the operation and storage of this surge suppressor?

The surge suppressor can operate within an ambient temperature range of -25°C to +60°C and can be stored in temperatures ranging from -40°C to +80°C.

What certifications does this surge suppressor hold?

The surge suppressor holds CE, UL, CSA, and CCC certifications, ensuring compliance with international standards.

What is the control supply voltage for this device?

The control supply voltage for this device is 24 V DC.

What are the dimensions of the surge suppressor?

The dimensions of the surge suppressor are 30 mm in width, 30 mm in height, and 14.5 mm in depth.

How is the surge suppressor attached to a contactor?

The surge suppressor is designed to be clip-on, making it easy to attach to the appropriate contactor.

Is there a specific frequency for the control supply voltage?

The control supply voltage is DC and does not have a frequency rating. However, the device is designed to work with control supply voltage frequencies of 50 Hz and 60 Hz for AC applications.

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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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