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Siemens 3RV2031-4KA15

Name: 3RV2031-4KA15
Brand: Siemens
SKU: 3RV2031-4KA15
Price: 192.04 GBP
Availability: InStock

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£192.04 (ex. VAT)

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Marvo Stock ID MV-7FTS

HS Code 853620

SKU 3RV2031-4KA15

Condition New sealed

Warranty 12 months

Weight (kg) 0.70

Length (mm) 149.00

Width (mm) 55.00

Height (mm) 140.00

EAN 4047621001760

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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	3RV2031-4KA15
Alternative Part Number	3RV20314KA15
Manufacturer	Siemens
Product Type	Motor Protection Circuit Breaker
Poles	3 Poles
Rated Current	73 A
Rated Operational Voltage	690 V ac
Short-Circuit Breaking Capacity	30 kA @ 400 V
Dimensions	55 x 149 x 140 mm
Insulation Voltage	Rated value 690 V
Surge Voltage Resistance	Rated value 6 kV
Mechanical Service Life	20,000 switching cycles for main contacts
Electrical Endurance	20,000 switching cycles
Ambient Operating Temperature Range	-20...+60 °C
Adjustable Pick-Up Value Current	62...73 A
Operating Power at AC-3	22 kW @ 230 V, 37 kW @ 400 V, 45 kW @ 500 V, 55 kW @ 690 V
Auxiliary Circuit Design	Transverse auxiliary switch
Number of NC Contacts for Auxiliary	1
Protection Class	IP20 on the front, IP00 of the terminal
Mounting Type	Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715
Connection Type	Screw-type terminals for main and auxiliary/control current circuit
Tightening Torque	3...4.5 N·m for main contacts, 0.8...1.2 N·m for auxiliary contacts
Commodity Code	853620

The Siemens 3RV2031-4KA15 Motor Protection Circuit Breaker is a robust and reliable solution designed to safeguard motors in industrial applications. This three-pole breaker is engineered to handle a rated current of 73 A and an operational voltage up to 690 V ac, ensuring compatibility with a wide range of motor sizes and specifications. With a standard breaking capacity of 30 kA at 400 V, it offers substantial protection against short circuits, enhancing the longevity and performance of your motor systems.

The device boasts a compact form factor, measuring 55 x 149 x 140 mm, which allows for efficient use of space within electrical enclosures. Its versatile mounting options, including screw and snap-on mounting onto a 35 mm standard mounting rail, facilitate easy installation and maintenance. The breaker is also equipped with a transverse auxiliary switch with 1NO+1NC contact configuration, adding to its functionality.

Designed with a Class 10 trip characteristic, the 3RV2031-4KA15 ensures quick and accurate response to overloads, preventing potential damage to your motor. The adjustable pick-up value current of the current-dependent overload release ranges from 62 to 73 A, providing flexibility to match specific motor requirements.

This circuit breaker is a testament to Siemens' commitment to quality, offering a reliable and efficient way to protect your motor-driven equipment. Its robust construction and precise engineering make it a valuable component in any industrial motor 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 is the function of this motor protection circuit breaker?

The motor protection circuit breaker is designed to protect motors from overloads, short circuits, and phase failures. It provides safe disconnection in the event of a fault, ensuring the protection of the motor and associated equipment.

Can this circuit breaker be used with three-phase motors?

Yes, this circuit breaker is suitable for use with three-phase motors, offering protection and safe operation within its specified current and voltage ratings.

What are the tripping characteristics of this circuit breaker?

This circuit breaker features a Class 10 tripping characteristic, meaning it will trip within 10 seconds under conditions of overcurrent between 6 and 10 times its rated current.

Is there a specific ambient temperature range for operating this circuit breaker?

The circuit breaker is designed to operate within an ambient temperature range of -20°C to +60°C, ensuring reliable performance within these limits.

What is the rated operational voltage for this circuit breaker?

The rated operational voltage for this circuit breaker is 690 V ac, making it suitable for a wide range of industrial applications.

What is the rated short-circuit breaking capacity of this device?

The rated short-circuit breaking capacity of this device is 30 kA at 400 V, providing robust fault protection in the event of a short circuit.

How can this circuit breaker be mounted?

This circuit breaker can be mounted using screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715.

What type of terminals does this circuit breaker have?

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

Does this circuit breaker have auxiliary contacts?

Yes, it includes an auxiliary switch with 1 normally open (NO) and 1 normally closed (NC) contact, which can be used for signalling and control purposes.

What is the mechanical service life of this circuit breaker?

The mechanical service life of this circuit breaker is typically 20,000 switching cycles for both the main and auxiliary contacts.

Part conditions explained

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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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