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Siemens 3RT2037-1AB04

Name: 3RT2037-1AB04
Brand: Siemens
SKU: 3RT2037-1AB04
Price: 159.25 GBP
Availability: InStock

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£159.25 (ex. VAT)

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Image shown may not reflect the final product

Marvo Stock ID MV-7ESX

HS Code 85364900

SKU 3RT2037-1AB04

Condition New unboxed

Warranty 12 months

Weight (kg) 1.00

Length (mm) 300.00

Width (mm) 190.00

Height (mm) 150.00

EAN 4011209940314

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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	3RT2037-1AB04
Alternative Part Number	3RT20371AB04
Manufacturer	Siemens
Product Brand Name	SIRIUS
Product Designation	Power Contactor
Product Type Designation	3RT2
Size of Contactor	S2
Rated Operating Voltage (AC-3)	Up to 690 V
Rated Operating Current (AC-1)	80 A at 400 V
Rated Operating Current (AC-3)	65 A at 400 V
Rated Control Supply Voltage (AC)	24 V at 50 Hz
Number of Poles	3
Number of Main Contacts (NO)	3
Number of Auxiliary Contacts (NC)	2
Number of Auxiliary Contacts (NO)	2
Operating Power at AC-3	30 kW at 400 V
Operating Frequency	Up to 700 1/h at AC-3
Mechanical Service Life	10,000,000 switching cycles
Shock Resistance	9.8g / 5 ms, 6.5g / 10 ms at AC
Ambient Operating Temperature	-25 ... +60 °C
Installation Altitude	Up to 2000 m above sea level
Protection Class	IP20 on the front
Insulation Voltage	690 V with degree of pollution 3
Surge Voltage Resistance	6 kV for main and auxiliary circuits
Short-time Withstand Current	1,055 A for 1 s in cold operating state up to 40 °C
No-load Switching Frequency	5,000 1/h at AC
Connectable Conductor Cross-section	Main contacts: 1 ... 50 mm², Auxiliary contacts: 0.5 ... 2.5 mm²
Mounting Position	+/-180° rotation possible on vertical mounting surface; can be tilted +/- 22.5°
Fastening Method	Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715
Dimensions (H x W x D)	114 mm x 55 mm x 174 mm

The Siemens 3RT2037-1AB04 is a robust power contactor designed to handle high switching capacities in industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency in automating and controlling motors. With a size S2 frame, the 3RT2037-1AB04 is engineered to manage AC-3 loads up to 65 A and motor control for power ratings of 30 kW at 400 V.

This contactor features a 3-pole configuration with 3 normally open (NO) contacts for main operations, ensuring a secure connection for your main current circuit. Additionally, it includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for instantaneous actions, providing flexibility for various control and signalling functions.

The 3RT2037-1AB04 operates with a control supply voltage of 24 V AC at 50 Hz and is designed with screw terminals for secure and reliable connections. It boasts a mechanical service life of up to 10 million switching cycles, highlighting its durability and long-term performance.

The compact design allows for efficient use of space within control cabinets, and the device can be mounted onto a 35 mm standard mounting rail according to DIN EN 60715, with the option for side-by-side mounting. It is also designed to withstand challenging environmental conditions, with an operational temperature range of -25 to +60 °C and storage temperature range of -55 to +80 °C.

The Siemens 3RT2037-1AB04 is a testament to high-quality engineering, providing a dependable solution for controlling motors and loads in a wide range of industrial applications.

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 is the size of the contactor?

The contactor is of size S2, which is a designation used to specify the physical and electrical characteristics of the contactor.

Can this contactor be used for communication functions?

No, this model does not support function modules for communication.

What is the power loss for this contactor at its rated current?

At AC in a hot operating state, the power loss for the rated value of the current is approximately 11.4 W, with 3.8 W per pole.

What is the surge voltage resistance of the main and auxiliary circuits?

Both the main and auxiliary circuits have a surge voltage resistance rated at 6 kV.

What is the maximum permissible voltage for safe isolation between the coil and main contacts?

The maximum permissible voltage for safe isolation between the coil and main contacts, according to EN 60947-1, is 400 V.

What are the operating and installation conditions for this contactor?

The contactor can be operated within an ambient temperature range of -25 to +60 °C and can be mounted in any position with a +/-180° rotation on a vertical mounting surface. It can also be tilted forward and backward by +/- 22.5°.

What type of electrical connections does the contactor have?

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

What are the dimensions required for mounting the contactor?

The contactor requires a height of 114 mm, a width of 55 mm, and a depth of 174 mm for mounting. Additionally, certain clearances are required for side-by-side mounting and for parts that are live or grounded.

What is the mechanical service life of the contactor?

The mechanical service life of the contactor is typically 10 million switching cycles, which indicates its durability and longevity in applications.

Is the contactor suitable for use in safety-related applications?

Yes, the contactor is suitable for safety-related switching OFF applications, ensuring reliable operation in critical systems.

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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