Image shown may not reflect the final product
View similar products
Express shipping
Lightning fast shipping if ordered within 00:00:00
Risk-Free Returns, Read Our Policy
Trusted by Global Manufacturers
No Delivery Duties or Additional Fees
Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RB2956-2TG2 |
| Alternative Part Number | 3RB29562TG2 |
| Manufacturer | Siemens |
| Adjustable Response Current | 20 … 200 A |
| Service Power for Three-Phase Motors | Rated value 90 … 11 kW |
| Type of Protection | PTB 05 ATEX 3022 Ex II (2) GD |
| Mounting Type | Direct mounting / stand-alone installation |
| Electrical Connection | Design for main current circuit: straight-through transformers |
| Protection Class IP | IP20 |
| Ambient Conditions | Suitable for use in environments where the temperature ranges from -25 to +60 °C |
| Weight | Approximately 235 g |
| Galvanic Isolation | Safe isolation at Ui <= 300 V |
| Switching Capacity | AC-15: 6A/24V; 6A/125V; 3A/250V, DC-13: 2 A / 24 V; 0.55 A / 60 V; 0.3 A / 125 V; 0.2 A / 250 V |
| Certificates/ Approvals | General Product Approval for use in hazardous locations |
The Siemens 3RB2956-2TG2 is a sophisticated current transformer designed to enhance the protection and management of three-phase motors and other electrical equipment. This component is part of the 3RB family, known for its reliability and precision in monitoring electrical currents.
Crafted for versatility, the 3RB2956-2TG2 can be directly mounted or installed as a stand-alone unit, providing flexibility for various industrial settings. It features an adjustable response current range from 20 to 200 A, catering to a wide spectrum of applications and motor sizes. The transformer is suitable for servomotors with a rated value between 90 and 110 kW, ensuring that it can handle significant power requirements.
The unit boasts a straightforward electrical connection for the main current circuit through transformers, ensuring ease of integration into existing systems. With an IP20 protection class, it is designed to operate safely in industrial environments, protecting against solid objects larger than 12mm but not against water.
The 3RB2956-2TG2 is compliant with the PTB 05 ATEX 3022 Ex II (2) GD standard, indicating its suitability for use in potentially explosive atmospheres, which is critical for maintaining safety in hazardous areas.
This current transformer is an essential component for industrial automation, providing reliable protection against overloads and ensuring the longevity and efficiency of electrical equipment. Its robust design and compliance with international standards make it a valuable addition to any industrial electrical protection 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.
Read more...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.
Read more...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.
Read more...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.
Read more...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.
Read more...Peace of mind with every purchase
Julien
‘Perfect quick delivery, good service.’
Blažej Knežo
‘Quick response and fast delivery of the product.’
Martin Juřica
‘Fast offer, short delivery time.’
Andreas Boehm
‘Excellent service. The right gear and the right price,well packed and delivered on time.’
Milan Kosík
‘Large selection of spare parts, fast delivery.’
Nathalie Jolicoeur
‘Great service. Thank you.’
Martin Ruml
‘Rapid delivery.’
Advance Lifts
‘Great customer service , we needed some assistance quickly and received it.’
Ms. Mia
‘Quick response, good item, delivery on schedule.’
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 electronic overload relay?
The electronic overload relay is designed to provide reliable protection for motors by monitoring and reacting to overload and phase-failure conditions. It ensures that the connected motor is safeguarded against potential damage due to excessive current draw.
Can this relay be used with high-efficiency motors?
Yes, the relay is suitable for use with high-efficiency motors. It meets the stringent requirements of the AC-3e utilization category, which takes into account the higher switch-on characteristics of efficiency-enhanced motors.
What is the current adjustment range for this relay?
The current adjustment range for the 3RB2956-2TG2 is from 20 to 200 A, allowing for flexibility in protecting a wide range of motor sizes.
How can I reset the relay after a trip event?
The relay can be reset manually by pressing the Test/Reset button or automatically if it is set to the auto-reset mode. Before resetting, ensure that the cause of the trip has been identified and rectified.
Is there a specific orientation required for mounting this relay?
The relay can be mounted in any orientation, providing flexibility in installation. However, it is important to follow the manufacturer's guidelines for proper mounting and securing of the device.
What type of protection does the relay offer for motor lines?
The relay offers protection against overload and phase failure for motor lines. It is designed to detect imbalances and prevent damage to the motor by disconnecting the power in the event of a fault.
Does the relay have a short-circuit protection feature?
The relay itself does not provide short-circuit protection. It should be used in conjunction with appropriate circuit breakers or fuses to ensure complete protection of the electrical system.
What are the environmental operating conditions for this relay?
The relay is designed to operate within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliable performance in a variety of industrial environments.
How can I integrate this relay into my existing motor control circuit?
The relay can be easily integrated into your motor control circuit using its screw-type terminals for secure connections. It is compatible with a range of contactors and can be connected to current measuring modules for comprehensive motor protection.
What should I do if the relay trips frequently?
Frequent tripping may indicate an underlying issue with the motor or the electrical circuit. It is advisable to inspect the motor for potential overloads, phase imbalances, or wiring issues and to ensure the relay is set correctly according to the motor's specifications.
