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 | LT3SM00ED |
| Manufacturer | Schneider |
| Product Series | LT3 |
| Device Short Name | LT3SE |
| Product Type | Thermistor Protection Unit |
| Control Circuit Voltage | 24...48 V DC |
| Reset Type | Manual |
| Contacts Type and Composition | 1 NC + 1 NO dual voltage |
| Conventional Free Air Thermal Current | 5 A for output control relay |
| Rated Insulation Voltage | Output control relay: 500 V AC |
| Rated Operational Voltage | 250 V AC 50/60 Hz for output control relay |
| Signalling Function | Fault indication, Voltage indication |
| Control Type | Manual test, Manual reset |
| Probe Interchangeability | Label mark A conforming to IEC 60034-11 |
| Hold-in Power Consumption | In W: 1 W, In VA: 2.5 VA |
| Resistance | 1500…1650 Ohm reset, 2700…3100 Ohm tripping |
| Number of Probes | 0…6 |
| Input Voltage for Probe | < 2.5 V (1500 Ohm), < 7.5 V (4000 Ohm) conforming to IEC 60034-11 |
| Maximum Short Circuit Detection Resistance | 20 Ohm |
| Condition of Use | Connection of probes 1000 m for ≥ 2.5 mm², Connection of probes 500 m for ≥ 1.5 mm² |
| Rated Impulse Withstand Voltage | 2.5 kV |
| Rated Power in VA | 100 VA at 220 V - electrical durability: 500000 cycles |
| Breaking Capacity | 2 A at 24 V DC DC-13, 3 A at 250 V AC AC-16, 6 A at 120 V AC AC-16 |
| Connections - Terminals | Power circuit: cage type connector for cables 0.75...2.5 mm² |
| Tightening Torque | 0.8 N.m |
| Dimensions (H x W x D) | 100 mm x 22.5 mm x 100 mm |
| Product Weight | 0.22 kg |
| IP Degree of Protection | IP20 conforming to IEC 60529 and VDE 0106 |
| Ambient Air Temperature for Operation | -25…60 °C |
| Ambient Air Temperature for Storage | -40…85 °C conforming to IEC 60068-2-2 |
| Operating Altitude | ≤ 1500 m without derating in temperature, > 1500...3000 m with derating in temperature |
| Vibration Resistance | 1 gn 25...150 Hz conforming to IEC 60068-2-6, 2.5 gn 2...25 Hz conforming to IEC 60068-2-6 |
| Shock Resistance | 5 gn 11 ms conforming to IEC 60068-2-27 |
| Electromagnetic Compatibility | Resistance to electrostatic discharge, fast transients, surges, and electromagnetic fields |
The Schneider LT3SM00ED is a high-quality thermistor protection unit designed to offer reliable protection for motors and other sensitive equipment against overheating. This relay is part of the TeSys LT3 series and operates with a control circuit voltage of 24 to 48 V DC, making it versatile for various industrial applications.
Crafted with precision, the LT3SM00ED features a manual reset function, allowing for easy maintenance and troubleshooting. It comes with a dual voltage contact composition of 1 NO (Normally Open) + 1 NC (Normally Closed), ensuring flexible integration into existing systems. The unit is rated for an operational voltage of 250 V AC at 50/60 Hz, suitable for a wide range of electrical setups.
The thermistor protection unit boasts a compact design with dimensions of 100 mm in height and 22.5 mm in width, ensuring it can be accommodated within space-constrained environments. It also has a rated insulation voltage of 500 V AC for the output control relay, providing an additional layer of safety and durability.
Compliance with international standards such as IEC 60947-8 and IEC 60034-11, along with an IP20 degree of protection, ensures that the LT3SM00ED meets rigorous quality and safety benchmarks. The unit is also environmentally conscious, adhering to the REACh Regulation and EU RoHS Directive, confirming its commitment to sustainability.
The Schneider LT3SM00ED is an essential component for industries looking to safeguard their equipment from thermal risks, offering a blend of performance, reliability, and safety.
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
Martin Ruml
‘Rapid delivery.’
Milan Kosík
‘Large selection of spare parts, fast delivery.’
Kayden
‘Services is great.’
Nathalie Jolicoeur
‘Great service. Thank you.’
Advance Lifts
‘Great customer service , we needed some assistance quickly and received it.’
Ms. Mia
‘Quick response, good item, delivery on schedule.’
Dan
‘The ordering was fast and efficient, and everything arrived just as they said it would.’
Martin Juřica
‘Fast offer, short delivery time.’
Advance Lifts
‘Great customer service , we needed some assistance quickly and received it.’
Similar Products
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 thermistor protection unit?
The thermistor protection unit is designed to monitor the temperature of motors equipped with PTC thermistor sensors. It provides protection by tripping the relay and cutting off the power supply when overheating is detected, thus preventing potential damage to the motor.
Can this device be manually reset?
Yes, the LT3SM00ED features a manual reset function that allows users to reset the relay after a trip due to overheating, once the temperature has returned to a safe level.
What type of control circuit voltage is required for this unit?
The unit requires a control circuit voltage of 24 to 48 V DC to operate effectively.
What are the contact types and composition within this unit?
The unit contains 1 Normally Closed (NC) and 1 Normally Open (NO) contact, providing a dual voltage capability for versatile application.
What is the rated operational voltage for this thermistor protection unit?
The rated operational voltage for the unit is 250 V AC at 50/60 Hz.
What are the environmental operating conditions for this device?
The device can operate within an ambient air temperature range of -25 to 60 degrees Celsius and can be stored in temperatures ranging from -40 to 85 degrees Celsius. It is also designed to withstand certain levels of vibration and shock.
What is the IP degree of protection for this unit?
The unit has an IP20 degree of protection, conforming to IEC 60529 and VDE 0106 standards, which means it is protected against solid objects larger than 12.5 mm but not against water.
How many probes can be connected to this thermistor protection unit?
Up to 6 probes can be connected to the unit, allowing for multiple monitoring points within the motor system.
What is the significance of the RoHS compliance for this unit?
RoHS compliance means that the unit adheres to the Restriction of Hazardous Substances Directive, which restricts the use of specific hazardous materials found in electrical and electronic products.
How can I dispose of this unit responsibly at the end of its life?
The unit should be disposed of according to local regulations for electronic waste to ensure it does not end up in general rubbish bins and is recycled or disposed of in an environmentally friendly manner.
