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Siemens 3RT1045-1AP04

Name: 3RT1045-1AP04
Brand: Siemens
SKU: 3RT1045-1AP04
Price: 59.33 GBP
Availability: InStock

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£59.33 (ex. VAT)

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Marvo Stock ID MV-26GB

HS Code 853649

SKU 3RT1045-1AP04

Condition Used

Warranty 12 months

Weight (kg) 1.50

Length (mm) 188.00

Width (mm) 70.00

Height (mm) 146.00

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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	3RT1045-1AP04
Alternative Part Number	3RT10451AP04
Manufacturer	Siemens
Product Type	Power Contactor
Contact Configuration	3NO (3 Normally Open)
Rated Operational Current	120 A (AC-1), 80 A (AC-3)
Rated Control Supply Voltage	230 V ac
Frequency	50 Hz
Size	S3
Terminal Type	Screw Terminal
Number of Auxiliary Contacts	2 NO + 2 NC (Normally Open + Normally Closed)
Insulation Voltage	Rated at 1,000 V
Degree of Pollution	3
Installation Altitude	Up to 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
Commodity Code	853649

The Siemens 3RT1045-1AP04 is a robust power contactor designed to handle high current applications with ease. This contactor is part of the SIRIUS product family, renowned for its reliability and performance in industrial environments. With a 3-pole configuration and an operational current rating of AC-3 80 A, it is capable of managing 37 kW at 400 V, making it suitable for a wide range of applications.

Crafted for durability, the 3RT1045-1AP04 boasts an impressive mechanical service life, offering up to 10 million switching cycles. It features three normally open (NO) main contacts and is equipped with screw terminals for secure and straightforward installation. The contactor operates with a control supply voltage of 230 V AC at 50 Hz.

The device is engineered with user safety in mind, featuring an IP20 protection class on the front, ensuring protection against finger-sized objects and a degree of pollution of 3, which indicates a safe operation even in environments where conductive pollution occurs occasionally.

This power contactor is suitable for a variety of applications, including but not limited to motor control, switching heating loads, capacitors, lighting, and other electrical loads in industrial settings. Its compact size S3 design allows for efficient use of space inside control cabinets, while the screw terminal connection provides a reliable and maintenance-friendly electrical connection.

The Siemens 3RT1045-1AP04 is a testament to Siemens' commitment to quality, offering a dependable solution for controlling powerful electrical loads with precision and safety.

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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Martin Juřica

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‘Excellent service. The right gear and the right price,well packed and delivered on time.’

Milan Kosík

‘Large selection of spare parts, fast delivery.’

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Martin Juřica

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Andreas Boehm

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Milan Kosík

‘Large selection of spare parts, fast delivery.’

Martin Ruml

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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 type of contactor is this?

This is a power contactor designed for switching an electrical power circuit, typically used in applications with higher current capacities.

What are the main specifications of this contactor?

The contactor is a 3-pole device with 3 normally open (NO) contacts, rated for AC-3 80 A, and 37 kW / 400 V. It operates with a control supply voltage of 230 V AC at 50 Hz.

Can this contactor be used for heavy-duty applications?

Yes, with its high current rating and robust design, it is well-suited for heavy-duty applications.

What is the mechanical service life of this contactor?

The mechanical service life of the contactor is typically around 10 million switching cycles.

What is the operating temperature range for this contactor?

The operating temperature range for this contactor is between -25°C to +60°C.

What is the insulation voltage rating for this contactor?

The insulation voltage rating for this contactor is 1,000 V.

What is the size of this contactor?

This contactor is of size S3 according to the manufacturer's classification.

Does this contactor have auxiliary contacts?

Yes, this contactor comes with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.

What is the maximum installation altitude for this contactor?

The maximum installation altitude for this contactor is 2,000 meters above sea level.

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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