Schneider LRD02 | TeSys LRD thermal overload relays – 0.16…0.25 A – class 10A
Description
Schneider LRD02 | TeSys LRD thermal overload relays – 0.16…0.25 A – class 10A
Schneider LRD02: Ensuring Safety and Efficiency in Industrial Applications
it is a vital component in industrial settings, offering advanced protection for electrical motors against overload conditions. This article will delve into the features, applications, working mechanism, benefits, installation, maintenance, comparison with alternatives, and customer reviews of the Schneider LRD02.
Introduction to Schneider LRD02
it is a motor overload relay designed to safeguard electrical motors from excessive current flow. It is manufactured by Schneider Electric, a renowned global provider of energy and automation solutions.
Features of Schneider LRD02
Overload Protection
One of the primary features of it is its ability to detect overload conditions in electrical motors. It continuously monitors the current passing through the motor and triggers a protective action if it exceeds the preset threshold.
Compact Design
Despite its robust functionality, it boasts a compact and space-saving design. This makes it suitable for installations where space is limited.
Thermal Protection
In addition to overload protection, it also offers thermal protection. It detects overheating in motors and prevents damage by interrupting the power supply.
Easy Installation
it is designed for hassle-free installation, with clear instructions provided in the user manual. It can be easily integrated into existing motor control systems.
Applications
it finds wide-ranging applications in various industries, including:
- Industrial Machinery: It is commonly used in manufacturing facilities to protect motors powering conveyor belts, pumps, and other machinery.
- HVAC Systems: Schneider LRD02 ensures the smooth operation of heating, ventilation, and air conditioning systems by preventing motor overheating.
- Electrical Panels: It is installed in electrical panels to provide comprehensive protection for motors across different applications.
How Schneider LRD02 Works
it operates by sensing the current passing through the motor and comparing it to the preset threshold. When an overload condition is detected, it activates the protective mechanism, which can include shutting off power to the motor.
Benefits of Using
Prevents Motor Damage
By promptly detecting and responding to overload conditions, it helps prevent costly damage to electrical motors, extending their lifespan.
Enhances Safety
The use it enhances safety in industrial environments by reducing the risk of motor-related accidents and fires caused by overload conditions.
Reduces Downtime
With its reliable protection mechanism, it minimizes downtime associated with motor failures, thereby improving overall productivity and efficiency.
Installation and Maintenance
Installation Guidelines
it should be installed according to the manufacturer’s recommendations, ensuring proper wiring and connection to the motor control system.
Maintenance Tips
Regular inspection and maintenance of it are essential to ensure its continued reliability. This includes checking for loose connections, cleaning, and testing functionality.
Comparing Schneider LRD02 with Alternatives
When compared to alternative motor overload relays, it stands out for its:
- Cost-Effectiveness: Despite its advanced features, it offers excellent value for money.
- Performance: It delivers reliable and precise protection against overload conditions, surpassing many competing products in terms of performance and durability.
Conclusion
Schneider LRD02 is an indispensable component for ensuring the safety and efficiency of electrical motors in industrial applications. With its advanced features, ease of installation, and proven reliability, it is the preferred choice for professionals seeking comprehensive motor protection.
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 | LC1D25 LC1D38 LC1D12 LC1D09 LC1D18 LC1D32 |
| Network type | DC AC |
| Thermal overload class | Class 10A conforming to IEC 60947-4-1 |
| Thermal protection adjustment range | 0.16…0.25 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 | 3 A at 120 V AC-15 for signalling circuit 0.22 A at 125 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: screw clamp terminals 1 cable(s) 1.5…10 mm² flexible without cable end Power circuit: screw clamp terminals 1 cable(s) 1…4 mm² flexible with cable end Power circuit: screw clamp terminals 1 cable(s) 1…6 mm² solid without cable end |
| Tightening torque | Control circuit: 1.7 N.m - on screw clamp terminals Power circuit: 1.7 N.m - on screw clamp terminals |
| Height | 66 mm |
| Width | 45 mm |
| Depth | 70 mm |
| Net weight | 0.124 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 | Vibrations: 6 Gn conforming to IEC 60068-2-6 Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 |
| 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 GB/T 14048.4 GB/T 14048.5 EN 50495 |
| Product certifications | IEC UL CSA CCC EAC BV RINA DNV-GL LROS (Lloyds register of shipping) ATEX INERIS UKCA |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 5.000 cm |
| Package 1 Width | 8.000 cm |
| Package 1 Length | 9.000 cm |
| Package 1 Weight | 136.000 g |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 24 |
| Package 2 Height | 15.000 cm |
| Package 2 Width | 30.000 cm |
| Package 2 Length | 40.000 cm |
| Package 2 Weight | 3.576 kg |
| Unit Type of Package 3 | P06 |
| Number of Units in Package 3 | 384 |
| Package 3 Height | 75.000 cm |
| Package 3 Width | 60.000 cm |
| Package 3 Length | 80.000 cm |
| Package 3 Weight | 65.328 kg |
| Warranty | 18 months |
|---|
Reviews
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