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Siemens 3RT2518-1BB40

Name: 3RT2518-1BB40
Brand: Siemens
SKU: 3RT2518-1BB40
Price: 48.54 GBP
Availability: InStock

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£48.54 (ex. VAT)

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Marvo Stock ID MV-7F0V

HS Code 8536

SKU 3RT2518-1BB40

Condition Used

Warranty 12 months

Weight (kg) 0.20

Length (mm) 73.00

Width (mm) 45.00

Height (mm) 57.50

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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	3RT2518-1BB40
Alternative Part Number	3RT25181BB40
Manufacturer	Siemens
Product Type	Contactor
Size of Contactor	S00
Number of Poles	4-Pole
Contact Configuration	2NO+2NC (2 Normally Open, 2 Normally Closed)
Rated Control Supply Voltage	DC 24V
Operating Current at AC-3	7.5 kW
Rated Insulation Voltage	690 V
Surge Voltage Resistance	6 kV
Protection Class IP	IP20
Degree of Pollution	3
Installation Altitude	Up to 2,000 metres above sea level
Ambient Temperature Range	-25 … +60 °C (during operation), -55 … +80 °C (during storage)
Shock Resistance	7.3g / 5 ms, 4.7g / 10 ms (at DC)
Mechanical Operating Cycles	Typically 30,000,000
Mounting Type	Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Electrical Connection	Screw-type terminals for main current circuit and auxiliary/control circuit
Connectable Conductor Cross-Sections	For main contacts: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
UL/CSA Ratings	Mechanical performance (hp) for three-phase squirrel cage motors: 5 hp at 220/230 V, 10 hp at 460/480 V
Auxiliary Circuit Contact Reliability	1 faulty switching per 100 million (17 V, 1 mA)
Product Approvals	General Product Approval, EMC, Functional Safety/Safety of Machinery

The Siemens 3RT2518-1BB40 is a robust and versatile contactor engineered to facilitate efficient control of electric motors and loads. This model is part of the SIRIUS product line, renowned for its reliability and performance in a wide range of industrial applications. With a size S00 footprint, it is compact enough for space-conscious installations while delivering the power needed for demanding operations.

This contactor is designed to handle AC-3 loads up to 7.5 kW at 400 V, making it suitable for a variety of medium-power applications. It features a 24 V DC control supply voltage, ensuring compatibility with common industrial control systems. The 3RT2518-1BB40 is equipped with 2 normally open (NO) and 2 normally closed (NC) contacts, providing flexibility in circuit design and allowing for both power and control circuit operations.

The unit boasts a high insulation voltage of 690 V and a surge voltage resistance of 6 kV, ensuring it can withstand the rigours of industrial environments. It also has an IP20 protection class on the front, offering a degree of protection against solid objects and ensuring safe operation.

Installation is straightforward, with options for both screw and snap-on mounting onto a standard 35 mm DIN rail. The contactor's screw-type terminals make wiring secure and maintenance simple. It is designed to operate reliably within an ambient temperature range of -25 to +60°C, and at installation altitudes of up to 2000 metres above sea level, ensuring consistent performance in diverse working conditions.

The Siemens 3RT2518-1BB40 is a testament to Siemens' commitment to quality, offering a dependable solution for controlling electric motors and loads in a variety of industrial settings.

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.

How do I create an account?

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.

Peace of mind with every purchase

Martin Juřica

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Milan Kosík

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Irene

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Ms. Mia

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Dan

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Thomas Roland Geaughan

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Milan Kosík

‘Large selection of spare parts, fast delivery.’

Irene

‘Fast delivery and prompt action.’

Dan

‘The ordering was fast and efficient, and everything arrived just as they said it would.’

Julien

‘Perfect quick delivery, good service.’

Martin Juřica

‘Fast offer, short delivery time.’

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 size of the contactor?

The contactor is of size S00, which is a compact size suitable for various applications.

Can this contactor be mounted on a DIN rail?

Yes, it can be mounted on a 35 mm standard mounting rail according to DIN EN 50022 with both screw and snap-on mounting options.

What is the rated control supply voltage for this contactor?

The rated control supply voltage for the contactor is 24 V DC.

What are the main technical characteristics of this contactor?

This contactor features 2 normally open (NO) and 2 normally closed (NC) contacts, with an AC3 rating of 7.5 kW and a 4-pole design. It also has screw terminals for secure connections.

What is the IP protection class of the contactor?

The contactor has an IP20 protection class on the front, ensuring finger-safe operation.

Is the contactor equipped with auxiliary switches?

Yes, the contactor comes with an auxiliary switch option.

What is the ambient temperature range for operating this contactor?

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

What is the insulation voltage rating of this contactor?

The insulation voltage rating of the contactor is 690 V.

How many mechanical operating cycles can the contactor handle?

The contactor is designed for typically 30 million mechanical operating cycles.

What certifications does this contactor have?

The contactor has general product approvals and conforms to standards relevant to functional safety and machinery safety.

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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