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Schneider LR9F7579 | TeSys LRF – electronic thermal overload relay – 300…500 A – class 20

Schneider Electric
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Schneider LR9F7579 | TeSys LRF – electronic thermal overload relay – 300…500 A – class 20

Schneider LR9F7579: A Comprehensive Description

Introduction

TeSys LR9F electronic overload relay, thermal setting range 300-500A, class 20, for protection of motors 200-250kW@400V. to be mounted directly below a TeSys F 3-pole contactor LC1 F225, F265, F330, F400, F500, use of a support mounting plate LA7F902 is mandatory (to be ordered separately). Motor protection includes thermal overload of 1-phase and 3-phase motors, phase failure, phase unbalance, prolonged starting times, stalled rotor conditions. On the front of the relay, it provides a thermal adjustement dial, buttons for test, stop & reset, a trip indicator, trip auxiliary contacts 1NO+1NC. Multi standards certified (IEC, UL, CSA, CCC, Marine), Green Premium compliant (RoHs/Reach).

  • Understanding the Importance of Schneider LR9F7579
  • Overview of LR9F7579: A Key Component in Industrial Automation

What is Schneider LR9F7579?

  • Definition of Schneider LR9F7579
  • Components and Features of LR9F7579

Technical Specifications

  • Voltage Rating
  • Current Rating
  • Operational Frequency
  • Control Type
  • Contact Configuration

Application Areas

  • Industrial Automation
  • Motor Control Centers
  • Electrical Panels
  • HVAC Systems

Advantages of Schneider LR9F7579

  • Reliability and Durability
  • Precision in Motor Control
  • Compatibility with Various Systems
  • Enhanced Safety Features

Installation Guide

  • Precautions Before Installation
  • Step-by-Step Installation Process
  • Testing and Troubleshooting Tips

Maintenance and Care

  • Regular Inspection
  • Cleaning Procedures
  • Replacement of Components

Comparing Schneider LR9F7579 with Competitors

  • Performance Comparison
  • Price Comparison
  • User Reviews and Feedback

Future Developments and Upgrades

  • Potential Enhancements in Schneider LR9F7579
  • Market Trends and Predictions

Conclusion

  • Summary of Key Points
  • Final Thoughts on Schneider LR9F7579

Schneider LR9F7579 is a crucial component in industrial automation systems, offering precise motor control and enhanced safety features. Understanding its technical specifications, application areas, and advantages is essential for efficient operations. This article provides a comprehensive description of Schneider LR9F7579, including its features, installation guide, maintenance tips, and future developments.

Introduction

Schneider LR9F7579 plays a pivotal role in industrial automation by ensuring efficient motor control and enhancing system reliability. As a key component in motor control centers and electrical panels, LR9F7579 is designed to meet the demanding requirements of modern industrial applications.

What is Schneider LR9F7579?

Schneider LR9F7579 is a motor starter protector designed for reliable motor control and protection in industrial settings. It combines advanced technology with robust construction to deliver exceptional performance and durability. With its compact design and versatile features, LR9F7579 is suitable for a wide range of applications, from simple motor control to complex industrial automation systems.

Technical Specifications

Schneider LR9F7579 is available in various voltage and current ratings to suit different application requirements. It operates at frequencies commonly found in industrial environments and supports multiple control options for seamless integration into existing systems. With its configurable contact configuration, LR9F7579 offers flexibility in motor control and protection.

Application Areas

LR9F7579 is widely used in industrial automation systems, motor control centers, electrical panels, and HVAC (Heating, Ventilation, and Air Conditioning) systems. Its versatility and reliability make it an ideal choice for controlling motors in various industrial processes, including manufacturing, processing, and material handling.

Advantages of Schneider LR9F7579

Schneider LR9F7579 offers several advantages over traditional motor control solutions. Its robust construction ensures long-term reliability and durability, even in harsh industrial environments. Precision motor control capabilities allow for accurate operation and improved efficiency, while enhanced safety features protect both equipment and personnel from potential hazards.

Installation Guide

Installing Schneider LR9F7579 is straightforward, but it requires careful planning and adherence to safety guidelines. Before installation, it is essential to verify compatibility with existing systems and ensure proper wiring and grounding. A step-by-step installation process, including mounting, wiring, and configuration, is provided in the manufacturer’s installation manual.

Maintenance and Care

Regular inspection and maintenance are essential to ensure the continued reliability and performance of Schneider LR9F7579. Routine cleaning and inspection of electrical connections help prevent corrosion and ensure proper operation. Additionally, any worn or damaged components should be replaced promptly to avoid system downtime.

Comparing Schneider LR9F7579 with Competitors

When comparing Schneider LR9F7579 with competing products, several factors should be considered, including performance, price, and user feedback. While LR9F7579 offers superior performance and reliability, it may be priced slightly higher than some alternatives. However, the long-term benefits of using LR9F7579 often outweigh the initial investment.

Future Developments and Upgrades

Schneider continuously invests in research and development to enhance the performance and features of LR9F7579. Future developments may include improved efficiency, expanded compatibility with third-party systems, and additional safety features. Keeping abreast of these developments is essential for maximizing the benefits of Schneider LR9F7579 in industrial applications.

SKU: LR9F7579 Category:
Main
Range TeSys
Product name TeSys LRF
Device short name LR9F
Product or component type Electronic thermal overload relay
Relay application Motor protection
Product compatibility LC1F225…LC1F500
Network type AC
Thermal overload class Class 20 conforming to IEC 60947-4
Thermal protection adjustment range 300…500 A
Signalling function Pre-alarm indicator
Complementary
Network frequency 50/60 Hz
Mounting support Direct on contactor
Plate
Tripping threshold 1.12 +/- 0.06 In tripping conforming to IEC 60947-4-1
Surge withstand 4 kV conforming to IEC 61000-4-5
Contacts type and composition 1 NO + 1 NC
[Ith] conventional free air thermal current 5 A for control circuit
[Ue] rated operational voltage 1000 V AC 50/60 Hz for power circuit conforming to VDE 0110 group C
[Ui] rated insulation voltage Power circuit: 1000 V AC conforming to IEC 60947-4
[Uimp] rated impulse withstand voltage 8 kV conforming to IEC 60947-1
Phase failure sensitivity Tripping in 4 s +/- 20 % conforming to IEC 60947-4-1
Reset Manual reset
Control type Dial white full-load current adjustment
Test button red
Push-button red reset
Push-button stop
local signalling Trip indicator
Temperature compensation -20…70 °C
Current consumption <= 5 mA no-load
switching capacity for alarm 0…150 mA
Maximum voltage drop <2.5 V closed state
Connections – terminals Control circuit: screw clamp terminals 1 cable 0.75…2.5 mm² – cable stiffness: flexible – with cable end
Control circuit: screw clamp terminals 1 cable 0.75…2.5 mm² – cable stiffness: solid
Control circuit: screw clamp terminals 1 cable 0.75…4 mm² – cable stiffness: flexible – without cable end
Control circuit: screw clamp terminals 2 cable 1…1.5 mm² – cable stiffness: flexible – with cable end
Control circuit: screw clamp terminals 2 cable 1…2.5 mm² – cable stiffness: flexible – without cable end
Control circuit: screw clamp terminals 2 cable 1 mm² – cable stiffness: solid
Power circuit: lugs-ring terminals M10
Tightening torque Control circuit: 1.2 N.m on screw clamp terminals
Power circuit: 35 N.m on screw clamp terminals
height 136.8 mm
Width 150 mm
Depth 127.6 mm
Net weight 2.32 kg
Environment
Standards VDE 0660
IEC 60255-8
IEC 60947-4-1
IEC 60255-17
EN 60947-4-1
product certifications UL
CSA
UKCA
Protective treatment TH
IP degree of protection IP20 conforming to IEC 60529
Ambient air temperature for operation -20…55 °C conforming to IEC 60255-8
Ambient air temperature for storage -40…85 °C
Operating altitude <= 2000 m without derating
Fire resistance 850 °C conforming to IEC 60695-2-1
Mechanical robustness Shocks: 13 Gn for 11 ms conforming to IEC 60068-2-7
Vibrations 5…300 Hz: 2 GN conforming to IEC 60068-2-6
Dielectric strength 6 kV 50 Hz conforming to IEC 255-5
Electromagnetic compatibility Resistance to electrostatic discharge: 6 kV in indirect mode conforming to IEC 61000-4-2
Resistance to electrostatic discharge: 8 kV in air conforming to IEC 61000-4-2
Radiated radio-frequency electromagnetic field immunity test: 10 V/m conforming to IEC 61000-4-3
Fast transients immunity test: 2 kV conforming to IEC 61000-4-4
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 17.0 cm
Package 1 Width 17.5 cm
Package 1 Length 18.0 cm
Package 1 Weight 1.979 kg
Unit Type of Package 2 S04
Number of Units in Package 2 6
Package 2 Height 30.0 cm
Package 2 Width 40.0 cm
Package 2 Length 60.0 cm
Package 2 Weight 12.635 kg
Contractual warranty
Warranty 18 months

Main Document

Data Sheet : LR9F7579

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