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Siemens 3RH1140-2BB40

Name: 3RH1140-2BB40
Brand: Siemens
SKU: 3RH1140-2BB40
Price: 40.3 GBP
Availability: InStock

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£40.30 (ex. VAT)

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Marvo Stock ID MV-1WLD

HS Code 85364900

SKU 3RH1140-2BB40

Condition Used

Warranty 12 months

Weight (kg) 1.00

Length (mm) 210.00

Width (mm) 170.00

Height (mm) 60.00

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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	3RH1140-2BB40
Alternative Part Number	3RH11402BB40
Manufacturer	Siemens
Product Type	Contactor Relay
Contact Configuration	4 Normally Open (NO) contacts
Rated Operational Current	10 A
Control Supply Voltage	120 V ac
Size of Contactor	S00
Insulation Voltage	Rated at 690 V with degree of pollution 3
Surge Voltage Resistance	Rated value 6 kV
Protection Class IP	IP20 on the front
Ambient Operating Temperature	-25 ... +60 °C
Ambient Storage Temperature	-55 ... +80 °C
Mechanical Service Life	Typical 30,000,000 switching cycles
Mounting Type	Screw and snap-on mounting
Connection Type	Cage Clamp terminals
Conductor Cross-section	Solid: 2x (0.25 ... 2.5 mm²), Finely stranded with/without core end processing: 2x (0.25 ... 1.5 mm²)
Installation Altitude	Maximum 2,000 m above sea level
Shock Resistance	10g / 5 ms and 5g / 10 ms
Commodity Code	85364900

The Siemens 3RH1140-2BB40 is a high-quality contactor relay designed for a wide range of industrial applications. This robust component features four normally open (NO) contacts, making it an ideal choice for users looking to control multiple circuits with a single device. With a rated operational current of 10 A and an operating voltage of 120 V ac, it is well-suited for moderate power applications.

Crafted for reliability, the 3RH1140-2BB40 boasts an impressive mechanical service life, capable of up to 30 million switching cycles, ensuring long-term performance and minimal maintenance. The contactor relay is housed in a compact size S00 enclosure, which allows for efficient use of space within control cabinets.

The device is equipped with cage clamp terminals, offering a secure and maintenance-free electrical connection that is both time-saving and convenient during installation. The contactor relay operates within a control supply voltage range of 0.8 to 1.1 times the rated value, providing stable performance even under fluctuating power conditions.

Designed with a focus on operational efficiency, the Siemens 3RH1140-2BB40 contactor relay is a dependable choice for those seeking a durable and consistent solution for their electrical control needs. Its straightforward design and ease of integration make it a valuable addition to any industrial control system.

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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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 type of device is this and what are its main uses?

This device is a contactor relay designed for controlling electric circuits. Its main uses include switching a power circuit, interfacing with control logic, and ensuring safe operation in industrial control systems.

Can you describe the contact configuration of this contactor relay?

The contactor relay has a 4NO (four normally open) contact configuration, which means it has four contacts that are open when the relay is not energised and close to complete a circuit when the relay is energised.

What is the rated control supply voltage for this contactor relay?

The rated control supply voltage for this contactor relay is 24 V DC, which is the voltage required to operate the relay coil.

What is the maximum operating current for this contactor relay at AC-12?

The maximum operating current for this contactor relay at AC-12 is 10 A.

What are the ambient temperature limits for operating this contactor relay?

The ambient temperature limits for operating this contactor relay are between -25°C and +60°C.

What is the mechanical service life of this contactor relay?

The mechanical service life of the 3RH1140-2BB40 contactor relay is typically 30 million switching cycles.

What type of terminals does this contactor relay have for electrical connections?

This contactor relay is equipped with Cage Clamp terminals for making secure and maintenance-free electrical connections.

What is the insulation voltage rating for this contactor relay?

The insulation voltage rating for this contactor relay, with a degree of pollution 3, is rated at 690 V.

What is the protection class IP rating for the front of this contactor relay?

The protection class IP rating for the front of this contactor relay is IP20, indicating protection against solid objects larger than 12.5 mm but not against liquids.

What is the significance of the B10 value mentioned in the datasheet?

The B10 value indicates the number of operating cycles until 10% of the devices are expected to fail due to contact wear. It is a reliability indicator used in the context of functional safety.

Part conditions explained

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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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