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Siemens 3RT2027-1BB40

Name: 3RT2027-1BB40
Brand: Siemens
SKU: 3RT2027-1BB40
Price: 102.71 GBP
Availability: OutOfStock

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Marvo Stock ID MV-26DP

HS Code 85364900

SKU 3RT2027-1BB40

Warranty 12 months

Weight (kg) 1.00

Length (mm) 320.00

Width (mm) 250.00

Height (mm) 250.00

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More about this product

Specification & Description

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Commonly Asked Questions

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Customer Reviews

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Specification & Description

Specification	Description
Part Number	3RT2027-1BB40
Alternative Part Number	3RT20271BB40
Manufacturer	Siemens
Contact Configuration	1 Normally Open (NO) / 1 Normally Closed (NC)
Rated Current	40 A
Power Rating	48 kW
Control Voltage	24 V dc
Contactor Size	S0
Connection Type	Screw-type terminals
Pollution Degree	3
Installation Altitude	Up to 2000 metres above sea level
Ambient Operating Temperature	-25 ... +60 °C
Storage Temperature	-55 ... +80 °C
Shock Resistance	10g / 5 ms, 7.5g / 10 ms at DC; 15g / 5 ms, 10g / 10 ms at sine pulse
Impulse Voltage Resistance	Rated at 6 kV
Insulation Voltage	Rated at 690 V
Mechanical Operating Cycles	Typical 10,000,000
Protection Class	IP20
Compliance	EMC, KTL certifications; conforms to IEC 60947-4-1 for mirror contact functionality

The Siemens 3RT2027-1BB40 is a robust power contactor designed to handle a variety of applications within industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency. It features a 1NO/1NC contact configuration, making it versatile for use in numerous control and switching operations.

With a rated operational current of 40 A and the capability to manage motors with a power of up to 48 kW, this contactor is an excellent choice for managing substantial loads. The coil operates at a control supply voltage of 24 V dc, ensuring compatibility with common DC control systems.

The 3RT2027-1BB40 is engineered to fit into size S0 contactor housings, and it comes with screw terminals for secure and straightforward wiring. It boasts an insulation voltage rated at 690 V and is designed to withstand impulse voltages up to 6 kV, providing a high degree of protection against voltage spikes.

This contactor is designed to perform reliably in a wide range of ambient temperatures, from as low as -25°C to as high as +60°C, making it suitable for challenging industrial environments. Additionally, it is rated for up to 10 million mechanical operating cycles, indicating its durability and long service life.

The Siemens 3RT2027-1BB40 is a high-quality component that offers dependable performance for controlling electric motors and other electrical loads in industrial applications. Its design and construction are focused on providing a safe, efficient, and durable solution for power switching needs.

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.

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.

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.

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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Learn more about Marvo

Our service to you

Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

Frequently Asked Questions

What is the current rating for this contactor?

The contactor is rated for 40 A.

Can this contactor be used for motor control applications?

Yes, it is suitable for motor control applications and is rated for AC-3 usage, which is typical for starting and stopping motors.

What is the coil voltage for this contactor?

The coil operates at a control supply voltage of 24 V dc.

What are the contact configurations for this contactor?

This contactor comes with 1 Normally Open (NO) and 1 Normally Closed (NC) contact configuration.

What is the power rating for this contactor when used with a three-phase motor?

When used with a three-phase motor, the contactor has a power rating of 48 kW at 400 V.

What is the size of the contactor?

The contactor is of size S0, which is a standard size for this type of device.

Is the contactor finger-safe?

Yes, it is designed to be finger-safe, providing protection against electrical shock.

What is the typical mechanical operating life of this contactor?

The typical mechanical operating life of the contactor is around 10 million cycles.

Does this contactor have a mirror contact feature?

Yes, it includes a mirror contact feature according to IEC 60947-4-1.

What type of terminals does this contactor have for electrical connection?

It has screw-type terminals for both the main current circuit and the auxiliary and control current circuit.

What is the insulation voltage rating of this contactor?

The insulation voltage rating is 690 V.

Can this contactor be used at high altitudes?

Yes, it can be used at installation altitudes up to 2,000 meters above sea level.

What is the operating temperature range for this contactor?

The operating temperature range is from -25 °C to +60 °C.

What is the B10 value for this contactor?

The B10 value with a high demand rate according to SN 31920 is 1,000,000.

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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