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Siemens 3RT1035-1BB44

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3RT1035-1BB44

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Marvo Stock ID MV-7276
HS Code 85364900
SKU 3RT1035-1BB44
Condition New sealed
Warranty 12 months
Weight (kg) 2.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00
EAN 4011209307896

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Specification & Description

Specification Description
Part Number 3RT1035-1BB44
Alternative Part Number 3RT10351BB44
Manufacturer Siemens
Product Type Power Contactor
Contactor Size S2
Pole Configuration 3 Pole
Operational Current (AC-3) 40 A at 400 V AC
Operational Current (AC-1) 60 A at 400 V AC (at 40 °C ambient temperature), 55 A at 60 °C ambient temperature
Control Voltage 24 V DC
Auxiliary Contacts 2 Normally Open (NO) + 2 Normally Closed (NC)
Connection Type Screw Connection
Insulation Voltage Rated at 690 V
Degree of Pollution 3
Installation Altitude Maximum 2,000 m above sea level
Ambient Operating Temperature -25 … +60 °C
Mechanical Operating Cycles 10,000,000 for contactor, 5,000,000 for contactor with electronics-compatible auxiliary block
Protection Class IP IP20 on the front
Surge Voltage Resistance Rated value 6 kV
Commodity Code 85364900

The Siemens 3RT1035-1BB44 is a robust power contactor designed to handle a variety of applications within industrial environments. This three-pole contactor is rated for AC-3 40 A and can manage motor power of up to 18.5 kW at 400 V ac, making it suitable for a wide range of motor control tasks. It operates with a 24 V DC control circuit and features a screw connection for secure and reliable installation.

Constructed with durability in mind, the 3RT1035-1BB44 boasts an impressive mechanical operating life, capable of up to 10 million cycles, ensuring long-term performance and reliability. The contactor is part of the SIRIUS product family, which is known for its high-quality standards and compatibility with a wide range of control systems.

The device is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing flexibility for complex control circuits. With an insulation voltage rated at 690 V and a surge voltage resistance of 6 kV, it is designed to withstand challenging electrical environments.

The contactor's compact size S2 form factor makes it an excellent choice for space-constrained applications, while its IP20 protection class rating on the front ensures protection against solid objects. It is designed to operate reliably in a broad range of ambient temperatures, from -25 to +60 degrees Celsius, and at installation altitudes of up to 2000 metres above sea level, catering to various industrial settings.

The Siemens 3RT1035-1BB44 is a testament to Siemens' commitment to quality, offering a dependable solution for controlling motors and loads efficiently and effectively in industrial applications.

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 are the main characteristics of this power contactor?

This power contactor is a 3-pole device with a control voltage of 24 V DC. It's designed for AC-3 applications up to 40 A and 400 V, with an operational power rating of 18.5 kW. It also features 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts and has a screw connection terminal.

Can this contactor be used in high-altitude installations?

Yes, the contactor can be used at altitudes up to 2000 metres above sea level without derating.

What is the insulation voltage rating for this contactor?

The insulation voltage rating for this contactor is 690 V, which is the rated value for ensuring safe operation.

What is the mechanical service life of this contactor?

The mechanical service life of the contactor is typically 10 million operating cycles, ensuring long-term reliability in your applications.

What is the degree of protection provided by the contactor?

The contactor provides a protection class of IP20 on the front, ensuring protection against solid objects larger than 12mm but not against water.

What are the ambient temperature limits for operating this contactor?

The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius.

How does the contactor handle shock and vibration?

The contactor is designed to withstand shock resistance with a sine pulse of 15g / 5 ms and 8g / 10 ms at DC, which helps ensure stability in environments with vibration or shock.

What is the size classification of this contactor?

This contactor is classified as Size S2, which is a standard size classification for Siemens contactors, indicating its physical dimensions and compatibility with other components.

Is the contactor suitable for use in controlling motors?

Absolutely, the contactor is specifically designed for motor control applications, with an AC-3 rating suitable for starting and stopping motors.

What type of connections does the contactor have for wiring?

The contactor is equipped with screw connection terminals, which provide a secure and reliable means of connecting wires.

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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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