Schneider LRD350 | TeSys LRD thermal overload relays – 37…50 A – class 10A
Introduction to Schneider LRD350
it is a cutting-edge electronic overload relay designed to provide reliable protection for motors against overload and phase failure. It is an essential component in industrial setups where motors are heavily used.
Features it
Technical Specifications
The Schneider LRD350 is equipped with advanced features such as:
- Adjustable current settings for precise protection.
- Phase loss and phase unbalance protection.
- Temperature compensation to ensure accurate tripping.
- Compact design for easy integration into control panels.
Design and Build Quality
Crafted with durability in mind, it boasts a robust construction that can withstand harsh industrial environments. Its sleek design allows for seamless installation and operation.
Installation Process
Installing it is straightforward, thanks to its user-friendly design and clear instructions. It can be easily mounted onto DIN rails or directly onto panels, saving time and effort during installation.
Functionality and Performance
it offers reliable protection against overload and phase failure, ensuring the smooth operation of motors. Its advanced sensing technology enables precise monitoring of motor currents, preventing damage and downtime.
Compatibility
This overload relay is compatible with a wide range of motors, making it a versatile choice for various industrial applications. Whether it’s in manufacturing plants, conveyor systems, or HVAC units, it delivers consistent performance.
Advantages of Using
- Enhanced motor protection: Prevents costly damage to motors caused by overload or phase failure.
- Easy installation: Simplifies the installation process with its user-friendly design.
- Reliable performance: Ensures uninterrupted operation of motors, minimizing downtime and maintenance costs.
Applications
The Schneider LRD350 finds applications in numerous industries, including:
- Manufacturing
- Oil and gas
- Water treatment
- HVAC
- Mining
Comparison with Other Similar Products
Compared to traditional overload relays, the Schneider LRD350 offers superior performance and versatility. Its advanced features and robust build quality set it apart from the competition.
Customer Reviews and Feedback
Customers praise the Schneider LRD350 for its reliability, ease of installation, and precise protection capabilities. Positive feedback highlights its effectiveness in safeguarding motors and reducing maintenance expenses.
Maintenance and Care
Maintaining the Schneider LRD350 is simple and hassle-free. Regular inspections and cleaning ensure optimal performance and longevity. Additionally, firmware updates may be available to enhance functionality and address any potential issues.
Warranty and Support
Schneider Electric provides comprehensive warranty coverage for the LRD350, giving customers peace of mind knowing their investment is protected. In addition, their dedicated support team offers assistance with installation, troubleshooting, and product inquiries.
Price and Availability
The Schneider LRD350 is competitively priced, offering excellent value for its advanced features and reliability. It is readily available through authorized distributors and online retailers, making it easily accessible to customers worldwide.
Conclusion
In conclusion, the Schneider LRD350 is a top-of-the-line electronic overload relay that offers unparalleled protection for motors in industrial settings. Its advanced features, reliable performance, and ease of installation make it the preferred choice for engineers and maintenance professionals. Invest in the Schneider LRD350 to safeguard your motors and ensure smooth operations in your facility.
| Range | TeSys TeSys Deca |
|---|---|
| Product name | TeSys LRD TeSys Deca |
| Product or component type | Differential thermal overload relay |
| Device short name | LRD |
| Relay application | Motor protection |
| Product compatibility | LC1D65A LC1D50A LC1D40A |
| Network type | DC AC |
| Thermal overload class | Class 10A conforming to IEC 60947-4-1 |
| Thermal protection adjustment range | 37…50 A |
| [Ui] rated insulation voltage | Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL Power circuit: 690 V conforming to IEC 60947-4-1 |
| Network frequency | 0…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 |
| [Ith] conventional free air thermal current | 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 |
| [Ue] rated operational voltage | 690 V AC 0…400 Hz for power circuit conforming to IEC 60947-4-1 |
| Associated fuse rating | 4 A gG for signalling circuit 4 A BS for signalling circuit |
| [Uimp] rated impulse withstand voltage | 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…60 °C |
| Connections – terminals | Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible without cable end Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible with cable end Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² solid without cable end Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible without cable end Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible with cable end Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² solid without cable end |
| Tightening torque | Control circuit: 1.7 N.m – on screw clamp terminals Power circuit: 5 N.m – on EverLink BTR screw connectors |
| Height | 70 mm |
| Width | 55 mm |
| Depth | 123 mm |
| Net weight | 0.375 kg |
| Climatic withstand | conforming to IACS E10 |
|---|---|
| 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 |
| Ambient air temperature for storage | -60…70 °C |
| Flame retardance | V1 conforming to UL 94 |
| Mechanical robustness | Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 Vibrations: 4 gn conforming to IEC 60068-2-6 |
| Dielectric strength | 1.89 kV at 50 Hz conforming to IEC 60947-1 |
| Standards | EN/IEC 60947-4-1 EN/IEC 60947-5-1 UL 60947-4-1 UL 60947-5-1 CSA C22.2 No 60947-4-1 CSA C22.2 No 60947-5-1 EN 50495 |
| Product certifications | IEC UL CSA CCC EAC DNV-GL RMRS EU-RO MR LROS (Lloyds register of shipping) ATEX INERIS UKCA |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 6.4 cm |
| Package 1 Width | 10.5 cm |
| Package 1 Length | 13.7 cm |
| Package 1 Weight | 394.0 g |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 13 |
| Package 2 Height | 15.0 cm |
| Package 2 Width | 30.0 cm |
| Package 2 Length | 40.0 cm |
| Package 2 Weight | 5.504 kg |
| Unit Type of Package 3 | P06 |
| Number of Units in Package 3 | 208 |
| Package 3 Height | 77.0 cm |
| Package 3 Width | 80.0 cm |
| Package 3 Length | 60.0 cm |
| Package 3 Weight | 96.564 kg |
| Warranty | 18 months |
|---|
Main documents
| Datasheet | Download Datasheet |
| Product datasheet | LRD350 |
| Download | |
| Download | |
| Download | |
| CAD Files | Download |
| Download |
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