Schneider LRE32 | Thermal overload relay,Easy TeSys Protect,23…32A,class 10A,for LC1E09-38
In stock
1,424.70 EGP 2,638.40 EGP
In stock
Schneider LRE32| Thermal overload relay,EasyPact TVS,23…32A,for LRE01…E35,class 10A
Schneider LRE32 Description
Overview of Schneider Electric
History of Schneider Electric
Schneider Electric is a global leader in energy management and automation, with a history dating back to 1836. Over the years, they have evolved from a steel manufacturer to a key player in industrial automation, focusing on efficiency and sustainability.
Core Products and Services
Schneider Electric offers a broad range of products, from simple electrical components to complex automation systems. Their portfolio includes circuit breakers, sensors, switches, and programmable logic controllers (PLCs), all designed to enhance industrial operations.
Understanding the LRE32
General Features
it is a thermal overload relay designed to protect electrical motors from overload and phase failure. It’s known for its robustness and reliability, ensuring that motors operate safely and efficiently.
Specifications and Technical Details
- Voltage: 690V
- Current Range: 0.1 to 32A
- Operating Temperature: -20°C to +60°C
- Mounting: DIN rail or screw mounting
Key Features of LRE32
Digital Display
One of the standout features of the LRE32 is its digital display, which provides real-time monitoring and easy-to-read diagnostics, simplifying the troubleshooting process.
Programmable Settings
The LRE32 offers programmable settings, allowing users to customize its operation according to specific needs. This flexibility makes it suitable for a wide range of applications.
Compact Design
Despite its powerful capabilities, the LRE32 boasts a compact design, making it easy to integrate into existing systems without requiring significant space.
Applications of Schneider LRE32
Industries Using LRE32
The LRE32 is widely used in various industries, including manufacturing, mining, and energy. Its reliability makes it a preferred choice for operations that demand consistent performance.
Typical Applications in Automation
In industrial automation, the LRE32 protects motors in conveyor systems, pumps, fans, and other critical machinery, ensuring minimal downtime and maximizing productivity.
Installation Process
Pre-Installation Requirements
Before installing the LRE32, ensure you have the necessary tools and that the environment meets the specified conditions, such as temperature and humidity levels.
Step-by-Step Installation Guide
- Turn off power: Ensure the power is completely off to avoid electrical hazards.
- Mount the relay: Install the LRE32 on a DIN rail or use screws for secure mounting.
- Connect wires: Follow the wiring diagram to connect the relay to the motor and control circuit.
- Configure settings: Use the digital display to set the desired parameters.
- Test the system: Turn on the power and test the relay to ensure it operates correctly.
Programming the LRE32
User Interface Overview
The user interface of the LRE32 is intuitive, featuring a digital display and a set of buttons for navigation and setting adjustments. The menu is straightforward, allowing quick access to various settings.
Common Programming Tasks
- Setting current range: Adjust the current settings based on the motor specifications.
- Configuring delay times: Set the appropriate delay times to prevent nuisance tripping.
- Testing the relay: Use the test function to simulate conditions and verify the relay’s response.
Benefits of Using Schneider LRE32
Enhanced Efficiency
The LRE32 improves motor efficiency by providing accurate protection and reducing unnecessary downtime, which can lead to significant cost savings in the long run.
Reliability and Durability
Designed for harsh industrial environments, the LRE32 is built to last, offering reliable performance and reducing the need for frequent replacements.
Comparing LRE32 with Competitors
Key Competitors
Key competitors of the LRE32 include Siemens SIRIUS 3RU and ABB TA25DU. These relays offer similar functionalities but differ in features and usability.
Comparative Analysis
While competitors may offer comparable protection, the LRE32 stands out with its user-friendly interface, compact design, and robust performance. Its ease of programming and reliability make it a preferred choice in many industries.
Troubleshooting Common Issues
Identifying Common Problems
- Overheating: Check for proper ventilation and ensure the current settings are correct.
- Nuisance tripping: Adjust the delay settings and verify the motor’s load conditions.
- Display errors: Reset the relay or update the firmware if necessary.
Solutions and Preventive Measures
Regular maintenance, including cleaning and inspecting connections, can prevent many common issues. Keeping the firmware up to date also ensures optimal performance.
Maintenance Tips
Routine Maintenance Practices
- Regular inspections: Check the relay and connections periodically for signs of wear or damage.
- Cleaning: Keep the relay and surrounding area free from dust and debris.
- Firmware updates: Ensure the relay’s firmware is current to benefit from the latest features and improvements.
Long-Term Care and Upkeep
Schedule annual check-ups and calibrations to maintain the relay’s accuracy and reliability. Replacing worn components timely can also extend the relay’s lifespan.
Trends in Industrial Automation
The trend towards smarter, more connected devices is likely to influence future iterations of the LRE32, making it an even more integral part of industrial automation systems.
Conclusion
The Schneider LRE32 is an essential component in industrial automation, providing reliable protection for electric motors. Its robust design, ease of use, and versatility make it a preferred choice across various industries. Whether you’re installing a new system or upgrading an existing one, the LRE32 offers the efficiency and reliability needed for modern industrial operations.
| Range | Easy TeSys |
|---|---|
| range of product | Easy TeSys Protect |
| product or component type | Differential thermal overload relay |
| Device short name | LRE |
| Relay application | Motor protection |
| Phase failure sensitivity | Tripping current 130 % of Ir on two phase, the last one at 0 conforming to IEC 60947-4-1 |
| Colour | Grey (RAL 7011) |
| Product compatibility | LC1E25…38 |
|---|---|
| Network type | AC |
| Network frequency | 50…60 Hz |
| Mounting support | Under contactor Plate, with specific accessories Rail, with specific accessories |
| Thermal overload class | Class 10A conforming to IEC 60947-4-1 |
| Signalling function | Relay trip indicator |
| Thermal protection adjustment range | 23…32 A |
| Tripping threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
| Mechanical robustness | Shocks: 6 Gn for 11 ms conforming to IEC 60068-2-7 Vibrations: 3 GN conforming to IEC 60068-2-6 |
| Auxiliary contact composition | 1 NO + 1 NC |
| [Ith] conventional free air thermal current | 5 A for signalling circuit |
| [Ue] rated operational voltage | <= 690 V AC |
| Associated fuse rating | 63 A gG for power circuit 40 A aM for power circuit 5 A gG for signalling circuit |
| [Ui] rated insulation voltage | 690 V conforming to IEC 60947-4-1 |
| [Uimp] rated impulse withstand voltage | 6 kV |
| Local signalling | Trip indicator |
| Control type | Push-button red stop: Push-button green reset: |
| Temperature compensation | -20…60 °C |
| Connections – terminals | Signalling circuit: screw clamp terminals 2 1…2.5 mm² – cable stiffness: flexible without cable end Signalling circuit: screw clamp terminals 2 1…2.5 mm² – cable stiffness: flexible with cable end Signalling circuit: screw clamp terminals 2 1…2.5 mm² – cable stiffness: solid without cable end Power circuit: screw clamp terminals 1 2.5…10 mm² – cable stiffness: flexible without cable end Power circuit: screw clamp terminals 1 1.5…6 mm² – cable stiffness: flexible with cable end Power circuit: screw clamp terminals 1 2.5…10 mm² – cable stiffness: solid without cable end |
| Recommended tightening torque | Power circuit: 2.5 N.m – on screw clamp terminals Signalling circuit: 1.7 N.m – on screw clamp terminals |
| Height | 44.5 mm |
| Width | 45 mm |
| Depth | 70 mm |
| net weight | 0.13 kg |
| Standards | IEC 60947-5-1 IEC 60947-4-1 |
|---|---|
| Product certifications | EAC |
| Protective treatment | TH conforming to IEC 60068 |
| IP degree of protection | IP20 conforming to IEC 60529 |
| Ambient air temperature for operation | -20…60 °C without derating conforming to IEC 60947-4-1 -20…70 °C with derating |
| Ambient air temperature for storage | -60…80 °C |
| Fire resistance | 850 °C conforming to IEC 60068-2-1 |
| Dielectric strength | 6 kV at 50 Hz conforming to IEC 60255-5 |
| Electromagnetic compatibility | Surge withstand: 6 kV conforming to IEC 60801-5 |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 5.200 cm |
| Package 1 Width | 8.000 cm |
| Package 1 Length | 8.500 cm |
| Package 1 Weight | 147.000 g |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 33 |
| Package 2 Height | 15.000 cm |
| Package 2 Width | 30.000 cm |
| Package 2 Length | 40.000 cm |
| Package 2 Weight | 5.193 kg |
| Warranty | 18 months |
|---|
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