Search Icon Account Icon Basket Icon

Schneider LRD350

Wrong part? Click here

£62.85 (ex. VAT)

Don't want it used? Get it NEW
Payment icons
LRD350
LRD350

Image shown may not reflect the final product

Marvo Stock ID MV-315L
HS Code 85364900
SKU LRD350
Condition Used
Warranty 12 months
Weight (kg) 0.38
Length (mm) 123.00
Width (mm) 55.00
Height (mm) 70.00

Express delivery

Lightning fast delivery if ordered within 00:00:00

Need it urgently?

Call: +44 20 4570 3439

Quoting Marvo Stock ID: MV-315L

More about this product

Chevron

Specification & Description

View now
Chevron

Commonly Asked Questions

View now
Chevron

Customer Reviews

View now
Chevron

Similar Products

View now

Specification & Description

Specification Description
Part Number LRD350
Manufacturer Schneider
Product Range TeSys
Product or Component Type Differential thermal overload relay
Device Short Name LRD
Relay Application Motor protection
Product Compatibility LC1D65A, LC1D50A, LC1D40A
Network Type AC, DC
Thermal Overload Class Class 10A conforming to IEC 60947-4-1
Thermal Protection Adjustment Range 37 to 50 A
Rated Insulation Voltage (Ui) Power circuit: 690 V AC
Network Frequency 0 to 400 Hz
Mounting Support Plate with specific accessories, Rail with specific accessories, Under contactor
Tripping Threshold 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
Auxiliary Contact Composition 1 NO + 1 NC
Conventional Free Air Thermal Current (Ith) 5 A for signalling circuit
Permissible Current 0.95 A at 380 V AC-15 for signalling circuit, 0.06 A at 440 V DC-13 for signalling circuit
Rated Operational Voltage (Ue) 690 V AC 0 to 400 Hz for power circuit
Associated Fuse Rating 4 A gG for signalling circuit, 4 A BS for signalling circuit
Rated Impulse Withstand Voltage (Uimp) 6 kV
Phase Failure Sensitivity Tripping current 130 % of Ir on two phase, the last one at 0
Control Type Red push-button: stop, Blue push-button: reset
Temperature Compensation -20 to 60 °C
Connections - Terminals Control circuit: screw clamp terminals, Power circuit: EverLink BTR screw connectors
Tightening Torque Control circuit: 1.7 N.m, Power circuit: 5 N.m
Height 70 mm
Width 55 mm
Depth 123 mm
Net Weight 0.375 kg

The Schneider LRD350 is a high-quality thermal overload relay designed to offer efficient and reliable protection for electric motors. This component is part of the TeSys Deca range and is compatible with a variety of contactors, including the LC1D65A, LC1D50A, and LC1D40A. It is engineered to safeguard motors by detecting and responding to overcurrent situations that could potentially cause damage.

With an adjustable thermal protection range of 37 to 50 A, the LRD350 ensures precise protection tailored to the specific needs of your motor. It operates with a class 10A tripping characteristic, conforming to IEC 60947-4-1 standards, which means it can trip in 10 seconds or less if the current reaches 7 times the set value, providing quick response to prevent motor overheating.

The device is suitable for use in both AC and DC networks and can handle a rated insulation voltage of up to 690 V, making it versatile for various industrial applications. The LRD350 features a tripping threshold of 1.14 +/- 0.06 Ir in accordance with IEC 60947-4-1, ensuring accurate and consistent performance.

For ease of installation, the LRD350 comes with EverLink BTR screw connectors, which are designed for robust and secure wire connections. The control circuit terminals are screw clamp type, accommodating cables from 1 to 2.5 mm². The unit's compact dimensions, with a height of 70 mm, width of 55 mm, and depth of 123 mm, allow for efficient use of space inside control panels.

The LRD350 is built to withstand challenging industrial environments, with an IP20 degree of protection conforming to IEC 60529 and a temperature compensation range from -20 to 60 °C, ensuring reliable operation under varying climatic conditions. It also meets rigorous standards for mechanical robustness, with shock resistance of 15 Gn for 11 ms and vibration resistance of 4 gn, as per IEC 60068-2-6 and IEC 60068-2-7.

This thermal overload relay is a Green Premium product, indicating that it meets high environmental standards and is free of harmful substances, aligning with global initiatives for sustainability and environmental responsibility. It is also compliant with the EU RoHS Directive, ensuring that it is free of toxic heavy metals and mercury.

The Schneider LRD350 is a dependable and environmentally conscious choice for motor protection in a wide range of industrial applications, offering both performance and peace of mind.

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

Stars Dan

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

Stars Kayden

‘Services is great.’

Stars Irene

‘Fast delivery and prompt action.’

Learn more about Marvo
 

Our service to you

Stopwatch

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.

Shield

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.

Checkmark

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.

Stars

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 thermal overload class of this overload relay?

The overload relay is classified as Class 10A, conforming to IEC 60947-4-1, which means it is designed to trip within 10 seconds at 600% of the full load current.

Can this overload relay be used with different types of power circuits?

Yes, it is suitable for use with both DC and AC power circuits, enhancing its versatility in various motor protection applications.

What is the thermal protection adjustment range for this relay?

The thermal protection adjustment range for this relay is between 37 to 50 A, allowing for precise protection settings based on the motor's current requirements.

What are the mounting support options for this relay?

The relay can be mounted on a plate with specific accessories, on a rail with specific accessories, or directly under a contactor, providing flexibility in installation.

What type of connections does this overload relay support?

It supports screw clamp terminals for the control circuit and EverLink BTR screw connectors for the power circuit, ensuring secure and reliable connections.

What is the IP degree of protection for this overload relay?

The overload relay has an IP20 degree of protection, conforming to IEC 60529, which provides a basic level of protection against solid objects.

What is the ambient air temperature range for the operation of this relay?

The relay can operate within an ambient air temperature range of -20 to 60°C without derating, making it suitable for a wide range of environmental conditions.

Does this overload relay have any certifications?

Yes, it has several product certifications including IEC, UL, CSA, CCC, EAC, DNV-GL, RMRS, EU-RO MR, LROS, ATEX INERIS, and UKCA, indicating compliance with international standards.

What is the significance of the 'Green Premium' status for this relay?

The 'Green Premium' status indicates that the relay meets Schneider Electric's environmental standards, ensuring that it is free from certain hazardous substances and is compliant with key environmental regulations.

Is there any specific information available regarding the end of life for this relay?

Yes, the relay comes with an End Of Life Information profile, which provides details on how to responsibly dispose of the product at the end of its service life.

Part condition box

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.

The Smart Part

Factories implementing AI-driven systems, highlighting the benefits of investing in artificial intelligence.## Should You Be Investing in Artificial Intelligence?

Should you be investing in artificial intelligence?

Marvo

Just a few years back, investing in AI only existed in the realm of science fiction. It was a futuristic technology that could be found solely in books or in Hollywood films. Fast forward to todays world and AI is rapidly becoming an integral part of our daily lives. It is reshaping how we work, communicate and solve complex problems.

4 min read December 13, 2024
The top 10 ways to improve your supply chain strategy

10 advanced techniques to improve your supply chain strategy

Marvo

A robust supply chain strategy is crucial in today’s interconnected and rapidly evolving global economy. Problems that businesses face include shifting consumer preferences, interruptions in supply, and an increasing focus on sustainability. This article delves into ten cutting-edge methods, in order to keep supply chain tactics robust, efficient, and competitive.

7 min read November 22, 2024
What is supply chain optimisation? Automation technologies in modern supply chains

What is supply chain optimisation?

Marvo

Supply chain optimisation is the key to navigating today's rapidly evolving manufacturing landscape. By improving their operations and logistics, businesses can reach greater levels of efficiency. This refinement also leads to strategic agility. As a result, companies position themselves to adapt to new challenges and seize opportunities.

6 min read November 1, 2024
See all articles