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Siemens 3RK1304-5KS40-3AA3

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£222.71 (ex. VAT)

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3RK1304-5KS40-3AA3

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Marvo Stock ID MV-3JLM
HS Code 85371098
SKU 3RK1304-5KS40-3AA3
Condition New unboxed
Category General Automation
Warranty 12 months
Weight (kg) 1.90
Length (mm) 184.00
Width (mm) 228.00
Height (mm) 309.00

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Specification & Description

The Siemens 3RK1304-5KS40-3AA3 is a high-performance reversing starter designed to offer reliable and efficient control for three-phase motors. This robust component is engineered to facilitate reverse starting operations, making it an ideal choice for a variety of industrial applications where motor direction change is a requirement.

Crafted with precision, the reversing starter boasts an electromechanical switching design and comes equipped with electronic overload protection, ensuring your motor is safeguarded against potential overcurrent scenarios. With a trip class of CLASS 10, it provides quick response to overload conditions, enhancing the protection of your motor.

The unit operates at a supply voltage of 24 V DC, with a permissible range between 20.4 V and 28.8 V, catering to a wide array of industrial power requirements. It is capable of handling an operating current of 2 A at AC-3 at 400 V, with a service power rated at 900 W for three-phase motors, making it suitable for motors with a power rating of up to 0.9 kW at 400 V.

The Siemens 3RK1304-5KS40-3AA3 is designed for straightforward installation with a screw fixing mounting type and can be positioned both vertically and horizontally, providing flexibility in integration with existing systems. Its compact dimensions, with a height of 230 mm, width of 110 mm, and depth of 150 mm, allow for efficient use of space within control cabinets.

For communication and diagnostics, the reversing starter supports both PROFIBUS DP and PROFINET protocols, offering seamless integration into modern industrial networks. The unit also features four digital inputs, which are parameterizable for customised control schemes.

Encased in an IP65 rated housing, the reversing starter is protected against dust ingress and low-pressure water jets from any direction, ensuring reliable operation even in harsh industrial environments. Additionally, it is designed to withstand vibrations up to 2g and shock resistance up to 15g / 11 ms, testifying to its durability and resilience.

The Siemens 3RK1304-5KS40-3AA3 is a testament to quality engineering, providing a reliable solution for motor control applications that demand precision, durability, and versatility.

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 is the voltage range for the DC supply of this reversing starter?

The DC supply voltage range for this reversing starter is 20.4 V to 28.8 V.

Can this reversing starter be used for direct starting?

No, the Siemens 3RK1304-5KS40-3AA3 is not designed for direct starting. It is specifically designed for reverse starting.

What is the protection class of this reversing starter?

The protection class for this reversing starter is IP65, indicating a high level of protection against dust and water ingress.

What are the ambient operating temperature limits for this device?

The ambient operating temperature range for this device is from -25°C to +55°C.

Is this reversing starter compatible with PROFIBUS DP and PROFINET protocols?

Yes, the reversing starter supports both PROFIBUS DP and PROFINET protocols for communication.

What is the rated operational current for this reversing starter at AC-3, 400 V?

The rated operational current for the reversing starter at AC-3, 400 V is 2 A.

What is the mechanical service life of the main contacts in this reversing starter?

The mechanical service life of the main contacts in the Siemens 3RK1304-5KS40-3AA3 is typically 30 million switching cycles.

Does this reversing starter have a motor brake output?

Yes, it includes a motor brake output and supports brake control with 400 V AC.

What type of motor protection does this reversing starter provide?

This reversing starter provides solid-state motor protection.

How many digital inputs does this reversing starter have?

The reversing starter is equipped with 4 digital inputs.

Can the digital inputs on this reversing starter be parameterized?

Yes, the digital inputs on this reversing starter are parameterizable.

What is the maximum permissible voltage for safe isolation between the main and auxiliary circuit?

The maximum permissible voltage for safe isolation between the main and auxiliary circuit is 400 V.

What is the trip class of this reversing starter?

The trip class for this reversing starter is CLASS 10.

What is the resistance to shock and vibration for this reversing starter?

The reversing starter has a shock resistance of 15g / 11 ms and a vibration resistance of 2g.

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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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