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3RW4076-6BB44

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Marvo Stock ID MV-1NZX
HS Code 85371098
SKU 3RW4076-6BB44
Warranty 12 months
Weight (kg) 8.00
Length (mm) 580.00
Width (mm) 400.00
Height (mm) 250.00

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Specification & Description

Specification Description
Part Number 3RW4076-6BB44
Manufacturer Siemens
Product Name SIRIUS Soft Starter
Phase 3 Phase
Power Rating 250 kW
Voltage Range 200 to 460 V AC / 230 V AC
Current Rating 432 A
Dimensions (W x H x D) 230 x 160 x 278 mm
Mounting Type Screw terminals
Operating Temperature Up to 40°C
Integrated Bridging Contact System Yes
Thyristors Yes
Device Protection Yes
Motor Overload Protection Yes
Adjustable Current Limitation Yes
Auxiliary Contacts 2 NO, 1 Changeover
Cable Cross-Section (Main Contacts) 70-240 mm² (front), 120-185 mm² (rear), 2x 50-185 mm² (both)
Maximum Installation Altitude 5000 m
Maximum Cable Length 300 m
Frequency 50-60 Hz
Control Voltage 230 V AC
Control Voltage Tolerance -15% to +10%
Error Signal Indicator Red

The Siemens 3RW4076-6BB44 is a robust SIRIUS soft starter designed for three-phase motors, offering a power rating of 250 kW and a current rating of 432 A. It operates within a voltage range of 200 to 460 V AC and is equipped with essential features such as integrated bridging contact systems, thyristors, and adjustable current limitation. This soft starter ensures reliable motor overload protection and device protection, making it suitable for various industrial applications. The unit is compact with dimensions of 230 x 160 x 278 mm and supports screw terminal mounting. It is designed to operate efficiently at temperatures up to 40°C and can be installed at altitudes up to 5000 meters.

The Siemens 3RW4076-6BB44 is a high-performance soft starter designed for three-phase motors, offering a robust solution for industrial applications. This SIRIUS soft starter is capable of handling up to 250 kW at 400 V, making it ideal for heavy-duty operations. It operates within a voltage range of 200 to 460 V AC and features a rated current of 432 A, ensuring reliable performance under demanding conditions.

Engineered with advanced features, the 3RW4076-6BB44 includes an integrated bypass contact system and thyristors, which enhance its efficiency and longevity. The device also provides motor overload protection and adjustable current limiting, allowing for precise control and safeguarding of your equipment. The soft starter is equipped with screw terminals for secure and straightforward electrical connections.

Measuring 230 mm in height, 160 mm in width, and 278 mm in depth, this compact unit is designed for easy installation and space-saving in control panels. It supports various mounting positions, including vertical and horizontal orientations, with or without an additional fan, offering flexibility in diverse installation environments.

The Siemens 3RW4076-6BB44 is a phased-out product, with a successor available for those seeking the latest technology. However, it remains a reliable choice for existing systems requiring a robust and efficient soft starter solution.

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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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 power rating of this soft starter?

The Siemens 3RW4076-6BB44 soft starter has a power rating of 250 kW at 400 V.

What is the operating voltage range for this soft starter?

The operating voltage range for the Siemens 3RW4076-6BB44 is 200 to 460 V AC.

How many phases does this soft starter support?

This soft starter supports 3-phase applications.

What is the maximum current rating for this soft starter?

The maximum current rating for the Siemens 3RW4076-6BB44 is 432 A.

What are the dimensions of this soft starter?

The dimensions of the Siemens 3RW4076-6BB44 are 230 mm in height, 160 mm in width, and 278 mm in depth.

What type of terminals does this soft starter use?

The Siemens 3RW4076-6BB44 uses screw terminals for electrical connections.

Is this soft starter suitable for high-altitude installations?

Yes, the Siemens 3RW4076-6BB44 can be installed at altitudes up to 5,000 meters above sea level.

Does this soft starter include motor overload protection?

Yes, the Siemens 3RW4076-6BB44 includes motor overload protection.

Can this soft starter be mounted in different positions?

Yes, with an additional fan, it can be rotated +/- 90° and tilted +/- 22.5°; without an additional fan, it can be rotated +/- 10° and tilted +/- 10°.

What is the maximum cable length supported by this soft starter?

The maximum cable length supported by the Siemens 3RW4076-6BB44 is 300 meters.

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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.

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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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