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Schneider LT3SA00ED

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LT3SA00ED

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Marvo Stock ID MV-31QY
HS Code 853641
SKU LT3SA00ED
Warranty 12 months
Weight (kg) 0.22
Length (mm) 100.00
Width (mm) 22.50
Height (mm) 100.00

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Specification & Description

Specification Description
Part Number LT3SA00ED
Manufacturer Schneider
Product Type Thermistor Protection Unit
Control Circuit Voltage 24 to 48 V DC
Rated Operational Voltage (Ue) 250 V AC 50/60 Hz
Rated Insulation Voltage (Ui) 500 V AC
Conventional Free Air Thermal Current (Ith) 5 A
Contacts Type and Composition 1 Normally Open (NO) + 1 Normally Closed (NC), Dual Voltage
Reset Type Automatic Reset
Number of Probes 0 to 6
Input Voltage for Probe < 2.5 V (1500 Ohm), < 7.5 V (4000 Ohm)
Maximum Short Circuit Detection Resistance 20 Ohm
Rated Impulse Withstand Voltage (Uimp) 2.5 kV
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 Cage type connectors for cables 0.75…2.5 mm², both flexible and solid, with and without cable end
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
Ambient Operating Temperature -25 to 60 °C
Ambient Storage Temperature -40 to 85 °C
Operating Altitude <= 1500 m without derating in temperature
Vibration Resistance 1 gn 25...150 Hz, 2.5 gn 2...25 Hz
Shock Resistance 5 gn 11 ms
Electromagnetic Compatibility Conforms to IEC standards for electrostatic discharge, fast transients, and surge resistance
Mounting DIN Rail
Terminal Connection Type Screw
IP Degree of Protection IP20
Standards IEC 60947-8, IEC 60034-11, VDE 0660

The Schneider LT3SA00ED is a sophisticated motor protection component designed to safeguard electric motors from potential damage due to overheating. This thermistor protection unit is an integral part of the TeSys product range and is engineered to work with PTC probes, providing reliable and accurate temperature monitoring.

Featuring a control circuit voltage of 24 to 48 V DC and an automatic reset function, the LT3SA00ED ensures continuous protection without the need for manual intervention. The device is equipped with dual voltage contacts, comprising 1 Normally Open (NO) and 1 Normally Closed (NC) contact, allowing for versatile integration into various control circuits.

With a conventional free air thermal current rating of 5 A for the output control relay and a rated insulation voltage of 500 V AC, this unit is capable of handling demanding applications. The operational voltage is rated at 250 V AC for 50/60 Hz systems, making it suitable for a wide range of industrial settings.

The LT3SA00ED also features fault indication for quick diagnostics and a control type that supports automatic reset, enhancing the ease of use. The unit is designed to be interchangeable with probes labelled mark A conforming to IEC 60034-11, ensuring compatibility with standard equipment.

This thermistor protection unit is compact, with dimensions of 100 mm in height, 22.5 mm in width, and 100 mm in depth, allowing for easy installation on a DIN rail with a simple screw mounting method. The robust design includes a cage type connector for secure and reliable connections to the power circuit.

Built to withstand challenging industrial environments, the LT3SA00ED operates effectively within an ambient temperature range of -25 to 60 °C and is rated for use at altitudes up to 1500 m without derating in temperature. It also boasts a high level of electromagnetic compatibility, ensuring stable operation even in areas with potential electrical disturbances.

The Schneider LT3SA00ED is a high-quality component that offers dependable motor protection, ensuring the longevity and efficiency of your motor-driven systems. Its advanced features and durable construction make it a valuable addition to any industrial motor control setup.

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.

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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.

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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.

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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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Frequently Asked Questions

What type of protection does this unit offer for motors?

The unit provides thermistor protection for motors, monitoring the temperature via PTC probes to prevent overheating and potential damage.

Can this device be mounted on a DIN rail?

Yes, it is designed for DIN rail mounting, making it suitable for integration into control panels and equipment racks.

What are the voltage specifications for the control circuit?

The control circuit voltage for the device is 24 to 48 V DC, with control circuit voltage limits ranging from 0.8 to 1.25 times the control circuit voltage (Uc).

What is the reset mechanism of this device?

The device features an automatic reset mechanism, which allows it to automatically reset after a fault condition has been cleared.

What are the dimensions of this thermistor protection unit?

The dimensions are 22.5 mm in width, 100 mm in height, and 100 mm in depth.

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.

What is the ambient operating temperature range for this device?

The ambient operating temperature range is from -25 to 60 degrees Celsius.

How many probes can be connected to this thermistor protection unit?

Up to 6 PTC probes can be connected to the unit for comprehensive motor protection.

What is the rated insulation voltage for the output control relay?

The rated insulation voltage for the output control relay is 500 V AC.

What is the significance of the probe interchangeability feature?

Probe interchangeability with label mark A conforming to IEC 60034-11 allows for flexibility and compatibility with different PTC probes.

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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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