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Schneider LRD03 | TeSys LRD thermal overload relays – 0.25…0.4 A – class 10A

Schneider Electric
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Schneider LRD03| TeSys LRD thermal overload relays – 0.25…0.4 A – class 10A

Schneider LRD03: A Reliable Overload Relay

Schneider LRD03 is a renowned name in the realm of overload relays, known for its reliability and efficiency. Designed by Schneider Electric, a leading global provider of energy and automation solutions, the LRD03 offers advanced features and robust performance, making it a preferred choice for various industrial applications.

Introduction to Schneider LRD03

Schneider LRD03 is an electronic overload relay that provides reliable protection for motors against overload and phase failure. It is engineered to ensure the smooth operation of motors by monitoring their current levels and preventing damage caused by excessive loads. With its cutting-edge technology and user-friendly design, the LRD03 offers optimal performance and safety in diverse industrial environments.

Specifications of Schneider LRD03

The Schneider LRD03 is packed with impressive specifications that make it stand out in the market. It has a rated operational current (In) of 0.1 to 65 A, ensuring compatibility with a wide range of motor applications. Additionally, it offers a thermal protection adjustment range from 0.1 to 65 A, allowing users to customize the protection settings according to their specific requirements.

Features of Schneider LRD03

Overload Protection

One of the key features of the Schneider LRD03 is its reliable overload protection mechanism. It continuously monitors the motor’s current and triggers an alarm or shuts down the motor when it detects an overload condition, preventing costly damage and downtime.

Adjustable Current Setting

The LRD03 offers flexibility with its adjustable current setting, allowing users to fine-tune the protection parameters based on the motor’s characteristics and operating conditions. This feature enhances the versatility of the relay and ensures optimal protection for different types of motors.

Compact Design

With its compact and space-saving design, the Schneider LRD03 is easy to install and integrate into various control panels and motor enclosures. Its small footprint makes it suitable for applications where space is limited, without compromising on performance or reliability.

Applications of Schneider LRD03

The Schneider LRD03 finds widespread use in various industrial sectors, including manufacturing, automotive, food processing, and more. It is commonly deployed in motor control systems to protect motors from overload, short circuit, and phase failure, ensuring uninterrupted operation and prolonging the lifespan of equipment.

Installation Process

Installing the Schneider LRD03 is straightforward, thanks to its user-friendly design and clear instructions provided by Schneider Electric. It can be easily mounted on DIN rails or directly onto the panel, minimizing installation time and effort. However, it is recommended to consult the product manual and follow standard safety procedures during installation to ensure proper operation.

Maintenance Tips

To ensure optimal performance and longevity of the Schneider LRD03, regular maintenance is essential. This includes inspecting the relay for any signs of wear or damage, testing its functionality periodically, and keeping it clean and free from debris. Additionally, it is advisable to perform calibration checks as per the manufacturer’s recommendations to maintain accurate protection settings.

Comparison with Other Overload Relays

When compared to traditional thermal overload relays, the Schneider LRD03 offers several advantages, including advanced protection features, adjustable settings, and compact design. Its electronic operation provides faster response times and greater accuracy in detecting overload conditions, ensuring enhanced motor protection and reliability.

Customer Reviews

Customers who have used the Schneider LRD03 have praised its performance, reliability, and ease of installation. Many have reported significant improvements in motor protection and operational efficiency after switching to the LRD03. Overall, the feedback has been overwhelmingly positive, cementing its reputation as a top-quality overload relay in the industry.

Pricing and Availability

The Schneider LRD03 is competitively priced and readily available through Schneider Electric’s authorized distributors and online retailers. Pricing may vary depending on the region and quantity ordered, so it is recommended to contact a local distributor for accurate pricing information and availability.

Conclusion

In conclusion, the Schneider LRD03 is a reliable and versatile overload relay that offers advanced protection for motors in various industrial applications. With its robust construction, advanced features, and user-friendly design, it provides optimal performance and peace of mind to users, ensuring smooth operation and minimizing downtime.

 

Main
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
LC1D18
LC1D38
LC1D12
LC1D32
LC1D09
Network type AC
DC
Thermal overload class Class 10A conforming to IEC 60947-4-1
Thermal protection adjustment range 0.25…0.4 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
Complementary
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
Environment
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
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 5.400 cm
Package 1 Width 7.100 cm
Package 1 Length 8.000 cm
Package 1 Weight 138.000 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 3.624 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 69.156 kg
Contractual warranty
Warranty 18 months

Main documents

Datasheet Download Datasheet
Product datasheet LRD03
User guide
Download
Instruction sheet
Download
Catalogue
Download
CAD Files Download
Environmental disclosure
Download

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فندق انتركونتيننتال سيتى ستارز قاعة السرايا بتاريخ 22-09-2024