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Siemens 3RF2450-1AB45

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Marvo Stock ID MV-7BZL

HS Code 8536

SKU 3RF2450-1AB45

Warranty 12 months

Weight (kg) 3.00

Length (mm) 320.00

Width (mm) 250.00

Height (mm) 250.00

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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	3RF2450-1AB45
Alternative Part Number	3RF24501AB45
Manufacturer	Siemens
Product Type	Solid-state contactor
Design	3-phase, 2-phase controlled
Current Rating	50 A
Operating Voltage Range	48-600 V AC
Control Supply Voltage	4-30 V DC
Blocking Voltage	1200 V
Power Loss	107 W (hot operating state)
Insulation Voltage	Rated at 600 V
Degree of Pollution	3
Protection Class IP	IP20
Shock Resistance	15g / 11 ms (acc. to IEC 60068-2-27)
Vibration Resistance	2g (acc. to IEC 60068-2-6)
Operating Frequency	50-60 Hz
Operating Temperature	-25 to +60 °C (operating), -55 to +80 °C (storage)
Mounting Type	Screw fixing
Side-by-Side Mounting	Yes
Dimensions (H x W x D)	100 mm x 157.5 mm x 121 mm (height may vary with product version)
Terminal Type	Screw-type terminals
Conductor Cross-Section	Main contacts: solid (1.5-6 mm²), stranded (1-10 mm²); Control contacts: solid/stranded (0.5-2.5 mm²)
Tightening Torque	Main contacts: 2-2.5 N·m; Control contacts: 0.5-0.6 N·m
Wire Stripping Length	7 mm for both main and control contacts
Installation Altitude	Up to 1000 m above sea level
Product Function	Zero-point switching

The Siemens 3RF2450-1AB45 is a robust solid-state contactor designed for seamless integration into a wide range of industrial applications. This three-phase contactor is engineered to handle significant loads, with a capacity of 50 A at operating voltages ranging from 48 to 600 V AC, and a control voltage of 4-30 V DC. Its two-phase controlled operation ensures efficient power management and zero-point switching, which minimises electrical noise and wear on the system.

Constructed with durability in mind, the 3RF2450-1AB45 boasts a blocking voltage of 1200V and is capable of withstanding surge currents, ensuring reliable performance even under demanding conditions. The contactor's screw terminal connections provide a secure and reliable means of installation, while its compact design allows for efficient use of space within electrical cabinets.

The device operates effectively within a broad temperature range and is rated for use in environments with temperatures up to 40°C. Its IP20 protection class signifies that it is protected against solid objects larger than 12mm, although it should be housed in an enclosure for optimal protection and performance.

With its solid-state design, the 3RF2450-1AB45 offers a low-maintenance solution that reduces the need for frequent replacements compared to mechanical contactors. This makes it an ideal choice for industries looking to minimise downtime and maximise operational efficiency. Whether it's for heating control, motor operation, or lighting systems, this Siemens contactor is a reliable component that ensures smooth and efficient electrical control.

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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Peace of mind with every purchase

Dan

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Blažej Knežo

‘Quick response and fast delivery of the product.’

Andreas Boehm

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

Kayden

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Anna

‘I can recommend quick, efficient, and professional.’

Dan

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

Blažej Knežo

‘Quick response and fast delivery of the product.’

Milan Kosík

‘Large selection of spare parts, fast delivery.’

Anna

‘I can recommend quick, efficient, and professional.’

Andreas Boehm

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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 function of this solid-state contactor?

The solid-state contactor is designed for zero-point switching in 3-phase applications, providing efficient and reliable switching for AC loads.

Can this contactor be mounted side-by-side with other units?

Yes, this contactor is designed to allow side-by-side mounting, which can save space in your control cabinet.

What is the rated operating voltage range for this contactor?

The rated operating voltage range for the contactor is 48 to 600 V at AC, with a frequency of 50 to 60 Hz.

What is the control supply voltage range for this device?

The control supply voltage range for this device is 4 to 30 V DC.

What is the maximum operating current for this contactor?

The maximum operating current for the contactor is rated at 50 A for AC-51 utilisation category.

What are the ambient temperature limits for operating this contactor?

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

What type of terminals does this contactor have for connection?

This contactor is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit.

What is the insulation voltage rating for this contactor?

The insulation voltage rating for this contactor is 600 V.

What is the protection class of this contactor?

The protection class for this contactor is IP20, indicating a basic level of protection against solid objects.

What are the dimensions of this contactor?

The dimensions of the contactor are approximately 95 mm in height, 119.5 mm in width, and 129.9 mm in depth.

What is the maximum installation altitude for this contactor?

The maximum installation altitude for the contactor is 1,000 meters above sea level.

What is the resistance to vibration and shock for this contactor?

The contactor is resistant to vibrations of 2g and shock resistance of 15g / 11 ms, in accordance with IEC standards.

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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