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Siemens 3RW5055-6AB14

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3RW5055-6AB14

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Marvo Stock ID MV-XGL5
HS Code 85371098
SKU 3RW5055-6AB14
Warranty 12 months
Weight (lbs) 6.61
Length (inches) 18.90
Width (inches) 12.60
Height (inches) 12.60

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Specification & Description

Specification Description
Part Number 3RW5055-6AB14
Manufacturer Siemens
Product Type Soft Starter
Product Family SIRIUS
Voltage Range 200-480 V
Current Rating 143 A
Control Voltage 110-250 V AC
Mounting Position Vertical mounting surface, +/-90° rotatable, +/-22.5° tiltable to the front and back
Dimensions (HxWxD) 198 mm x 120 mm x 249 mm
Weight 3.2 kg
Connection Type Busbar connection for main current circuit, screw-type terminals for control circuit
Communication Supports PROFINET, PROFIBUS, Modbus TCP, Modbus RTU, Ethernet/IP
Operating Temperature -25 to +60 °C
Certifications CE, UL, CSA, ATEX, IECEx
Features Integrated bypass contact system, adjustable starting and stopping voltage, adjustable current limiting value, supports HMI-Standard and HMI-High Feature
Application Ideal for controlling the start-up and shut-down of three-phase motors, reducing mechanical stress and extending the lifespan of the system. Suitable for various industrial applications requiring precise motor control.

The Siemens 3RW5055-6AB14 is a robust and efficient soft starter designed to enhance the performance and longevity of three-phase motors. Operating within a voltage range of 200-480 V and a current rating of 143 A, this device is ideal for a variety of industrial applications. It features an integrated bypass contact system, which reduces power loss and heat generation during operation, ensuring optimal energy efficiency.

This soft starter supports multiple communication protocols, including PROFINET, EtherNet/IP, Modbus RTU, Modbus TCP, and PROFIBUS, allowing seamless integration into existing automation systems. The device is equipped with screw terminals for secure and reliable connections and offers an analog output for monitoring purposes.

The Siemens 3RW5055-6AB14 is designed to operate in challenging environments, with an ambient temperature range of -25 to +60 °C and a maximum installation altitude of 5,000 meters. It complies with various international standards, including CE, UL, and CSA approvals, ensuring its suitability for global use. With its advanced features and reliable performance, this soft starter is an excellent choice for industries seeking to improve motor control and reduce mechanical stress during motor start-up.

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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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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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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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 primary function of this Siemens soft starter?

The Siemens soft starter is designed to reduce the load and torque in the powertrain of electric motors during start-up, minimizing mechanical stress and extending the lifespan of the system.

What are the voltage and current ratings for this soft starter?

This soft starter operates at a voltage range of 200-480 V and has a rated current of 143 A at 40°C.

Can this soft starter be used in hazardous locations?

Yes, the Siemens 3RW5055-6AB14 soft starter is certified for use in hazardous locations with ATEX and IECEx certifications.

What communication protocols are supported by this soft starter?

The soft starter supports several communication protocols, including PROFINET, EtherNet/IP, Modbus RTU, Modbus TCP, and PROFIBUS.

What is the ambient temperature range for operating this soft starter?

The ambient temperature range for operating this soft starter is -25°C to +60°C, with derating required for temperatures above 40°C.

Does this soft starter include an integrated bypass contact system?

Yes, the Siemens 3RW5055-6AB14 soft starter features an integrated bypass contact system to enhance efficiency and reduce heat generation.

What is the maximum installation altitude for this soft starter?

The maximum installation altitude for this soft starter is 5,000 meters above sea level, with derating applicable above 1,000 meters.

Is there an option for remote reset with this soft starter?

Yes, the soft starter allows for remote reset by turning off the control supply voltage.

What are the power ratings for three-phase motors using this soft starter?

For three-phase motors, the power ratings are 37 kW at 230 V, 75 kW at 400 V, and 90 kW at 500 V at 40°C.

What type of terminals does this soft starter use?

The Siemens 3RW5055-6AB14 soft starter uses screw-type terminals for both main and auxiliary contacts.

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Part conditions explained

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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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