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Description
Schneider LRD313: A Comprehensive Guide
Introduction
In the world of electrical components, choosing the right parts is crucial for ensuring safety and efficiency. Schneider Electric, a leader in energy management and automation, provides a range of products designed to meet high standards of performance. One such product is the Schneider LRD313. This article will cover all essential aspects of the Schneider LRD313, from its features to its applications and benefits.
Understanding the Basics
What is Schneider LRD313?
it is a thermal overload relay designed to protect electrical circuits from overheating due to prolonged overcurrent conditions. It is a key component in ensuring the safety and efficiency of electrical systems, particularly in industrial and commercial applications.
Key Features and Specifications
it offers several notable features:
- Adjustable Current Range: Provides flexibility in setting protection levels for different applications.
- Compact Design: Allows for easy installation in confined spaces.
- Thermal Protection: Effectively responds to overheating to prevent damage.
- Compatibility: Designed to work seamlessly with Schneider’s range of contactors and other components.
Design and Build
Physical Design
it features a robust yet compact design. Its sleek appearance allows it to fit easily into standard control panels, making it ideal for a variety of installations.
Materials Used in Construction
Constructed from high-quality, durable materials, the Schneider LRD313 is built to withstand harsh conditions. The use of robust plastics and metals ensures long-term reliability and performance.
Durability and Lifespan
The LRD313 is designed to offer long-term durability, even under demanding conditions. Its solid construction contributes to its extended lifespan, making it a reliable choice for many applications.
Technical Specifications
Voltage and Current Ratings
The Schneider LRD313 is rated for a maximum voltage of 690V and can handle currents ranging from 4A to 32A. This range makes it versatile for various electrical systems.
Temperature Ratings
The relay operates efficiently within a temperature range of -20°C to +60°C, ensuring consistent performance in diverse environmental conditions.
Dimensions and Weight
With a compact footprint, the Schneider LRD313 measures approximately 77mm in height, 45mm in width, and 77mm in depth. It weighs about 250 grams, making it easy to handle and install.
Installation Process
Pre-installation Requirements
Before installing the Schneider LRD313, ensure that the power supply is turned off to prevent electrical shock. Gather the necessary tools and verify that the relay is appropriate for your specific application.
Step-by-Step Installation Guide
- Turn Off the Main Power: Always ensure that the power supply is disconnected before beginning installation.
- Prepare the Control Panel: Remove the cover of the control panel to access the mounting area.
- Install the Relay: Mount the Schneider LRD313 in the designated slot or panel.
- Wire the Relay: Connect the relay to the electrical circuit according to the wiring diagram provided.
- Adjust Settings: Set the current adjustment knob to the required protection level.
- Replace the Panel Cover: Once installation is complete, secure the panel cover.
- Restore Power: Turn the power back on and test the relay to ensure proper operation.
Safety Precautions
Always adhere to safety protocols when working with electrical components. Use insulated tools and wear protective gear to avoid injury.
Performance and Efficiency
Efficiency Ratings
The Schneider LRD313 is designed for optimal efficiency, minimizing energy loss and ensuring effective protection of electrical circuits.
Performance Under Different Conditions
This relay performs reliably under various environmental conditions, from commercial office spaces to industrial facilities. Its robust design ensures consistent performance.
Additional information
| brands | Schneider Electric |
|---|
Specifications
| 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 | LC1D40A LC1D50A LC1D65A |
| Network type | AC DC |
| Thermal overload class | Class 10A conforming to IEC 60947-4-1 |
| Thermal protection adjustment range | 9…13 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 | 6.1 cm |
| Package 1 Width | 10.5 cm |
| Package 1 Length | 13.6 cm |
| Package 1 Weight | 400 g |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 13 |
| Package 2 Height | 15 cm |
| Package 2 Width | 30 cm |
| Package 2 Length | 40 cm |
| Package 2 Weight | 5.502 kg |
| Warranty | 18 months |
|---|
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