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Schneider LV426557 Compact | circuit breaker Compact NSXm H (70 kA at 415 VAC), 3P, 100 A rating TMD trip unit, compression lugs and busbar connectors

Schneider Electric
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Schneider LV426557 Compact

15,293 EGP 23,895 EGP

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Schneider LV426557 Compact

Introduction

In the realm of electrical distribution, it circuit breaker stands as a testament to efficiency and reliability. This article embarks on a detailed exploration of this versatile circuit breaker, highlighting its features, applications, and benefits in various industrial and commercial settings.

Understanding Circuit Breakers

Circuit Breakers: An Overview

Circuit breakers are crucial components in electrical systems, designed to protect circuits from overloads and short circuits by interrupting the flow of electricity.

Importance of Circuit Breakers

Circuit breakers play a pivotal role in safeguarding electrical systems and equipment from damage caused by electrical faults, ensuring safety and reliability.

Types of Circuit Breakers

There are different types of circuit breakers, including miniature circuit breakers (MCBs), molded case circuit breakers (MCCBs), and air circuit breakers (ACBs), each catering to specific applications and capacities.

Introducing Schneider LV426557 Compact

Overview of Schneider LV426557 Compact

it is a cutting-edge molded case circuit breaker (MCCB) renowned for its efficiency, advanced protection features, and ease of installation.

Key Features of Schneider LV426557 Compact

  • High breaking capacity
  • Adjustable trip settings
  • Compact and lightweight design
  • Enhanced protection features
  • Seamless integration with diverse electrical systems

Technical Specifications

  • Model: LV426557
  • Rated Operational Voltage: Up to 690V AC
  • Rated Current: 400A
  • Breaking Capacity: Up to 36kA at 415V AC
  • Trip Unit Technology: Electronic

Applications of Schneider LV426557 Compact

it finds application across various sectors, including industrial plants, commercial buildings, and infrastructure projects, where reliable circuit protection is essential.

Benefits of Utilizing Schneider LV426557 Compact

Enhanced Protection

it offers robust protection against overloads, short circuits, and ground faults, ensuring the safety and longevity of electrical installations.

Versatility and Adaptability

With adjustable trip settings and a modular design, it can be customized to suit specific application requirements, providing flexibility in system design and operation.

Space-Efficient Design

Its compact form factor enables efficient utilization of space within electrical panels, making it ideal for installations where space is limited.

Simplified Installation and Maintenance

Engineered for user convenience, the LV426557 Compact facilitates easy installation and maintenance, reducing downtime and operational costs.

Installation and Configuration

Installation Process

it features a straightforward installation process, with clear instructions provided in the product manual for accurate setup.

Configuring Trip Settings

Fine-tuning trip settings is simple, allowing users to tailor the breaker’s response to various fault conditions for optimal protection.

Integration with Electrical Systems

The LV426557 Compact seamlessly integrates with existing electrical systems, delivering reliable performance and enhanced safety across diverse applications.

Safety Features

Integrated Safety Mechanisms

Equipped with advanced safety features such as thermal-magnetic trip units and electronic trip units, the LV426557 Compact ensures precise and reliable protection.

Compliance with Safety Standards

The LV426557 Compact complies with international safety standards, providing assurance regarding the protection of personnel and equipment.

Maintenance and Troubleshooting

Routine Maintenance

Regular maintenance tasks include visual inspections, testing of trip mechanisms, and ensuring secure electrical connections to uphold the breaker’s operational integrity.

Addressing Common Issues

Common issues such as nuisance tripping or failure to trip can be promptly diagnosed and rectified using the breaker’s diagnostic tools and manufacturer guidelines.

Comparison with Alternatives

Schneider LV426557 Compact vs. Traditional Breakers

Compared to traditional breakers, the LV426557 Compact offers advanced features, compact design, and superior performance, making it the preferred choice for modern electrical systems.

Schneider LV426557 Compact vs. Other MCCBs

Among other molded case circuit breakers (MCCBs), the LV426557 Compact excels in terms of efficiency, reliability, and user-friendliness, catering to the diverse needs of industry professionals.

Real-world Applications

Industrial Facilities

Industrial plants benefit from the LV426557 Compact’s robust protection and adaptability, ensuring uninterrupted operation and safeguarding valuable equipment.

Commercial Establishments

In commercial buildings, it provides reliable circuit protection for lighting, HVAC systems, and other critical loads, enhancing safety and efficiency.

Infrastructure Projects

Infrastructure projects rely on it for dependable performance and safety, contributing to the seamless operation of essential services and facilities.

Future Prospects

Technological Advancements

Future iterations of it are expected to incorporate cutting-edge technologies such as IoT connectivity and predictive maintenance features, further enhancing its functionality and efficiency.

Sustainability and Innovation

As the industry moves towards sustainability and innovation, it is poised to evolve, offering enhanced energy efficiency and environmental benefits.

Conclusion

In conclusion, it epitomizes excellence in circuit protection, offering advanced features, versatility, and reliability. Its compact design, robust performance, and user-friendly attributes make it the ideal choice for a wide range of applications, ensuring the safety and efficiency of electrical systems.

Main
Range ComPact
Product name ComPact NSXm
Range of product ComPact NSXm
Device short name NSXm 100H
Product or component type Circuit breaker
Device application Protection
Distribution
Number of poles 3P
Protected poles description 3D
[In] rated current 100 A at 40 °C
[Ue] rated operational voltage 690 V AC 50/60 Hz
Network type AC
Network frequency 50/60 Hz
Suitability for isolation Yes conforming to EN/IEC 60947-2
utilisation category Category A
[Icu] rated ultimate short-circuit breaking capacity 100 kA Icu at 220…240 V AC 50/60 Hz conforming to IEC 60947-2
70 kA Icu at 380…415 V AC 50/60 Hz conforming to IEC 60947-2
65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
Performance level H 70 kA 415 V AC
Trip unit name TM-D
Trip unit technology Thermal-magnetic
Trip unit protection functions LI
control type Toggle
Circuit breaker mounting mode By screws
Clip-on
Complementary
[Ui] rated insulation voltage 800 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage 8 kV
[Ics] rated service short-circuit breaking capacity 100 kA at 220…240 V AC 50/60 Hz conforming to IEC 60947-2
70 kA at 380…415 V AC 50/60 Hz conforming to IEC 60947-2
65 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
Mechanical durability 20000 cycles
Electrical durability 10000 cycles at 440 V In
20000 cycles at 440 V In/2
5000 cycles at 690 V In
10000 cycles at 690 V In/2
mounting support Plate
DIN rail
Connection terminals Compression lug/busbar
Connection pitch 35 mm with spreaders
27 mm without spreaders
9 mm pitches 9 module
Protection type L : for overload protection (thermal)
I : for short-circuit protection (magnetic)
Trip unit rating 100 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection) Adjustable
[Ir] long-time protection pick-up adjustment range 0.7…1 x In
Long-time protection delay adjustment type tr Fixed
[Im] magnetic protection pick-up range 1250 A
earth-leakage protection Without
Number of slots for electrical auxiliaries 1 slot(s) for auxiliary switch OF
1 slot(s) for alarm switch SD
1 slot(s) for voltage release MN or MX
Width (W) 81 mm
Height (H) 137 mm
Depth (D) 80 mm
Net weight 1.06 kg
Colour Grey (RAL 7016)
Environment
Standards EN/IEC 60947
product certifications CCC
EAC
Marine
Pollution degree 3 conforming to IEC 60664-1
IP degree of protection IP40 conforming to IEC 60529
IK degree of protection IK07 conforming to IEC 62262
ambient air temperature for operation -25…70 °C
Ambient air temperature for storage -50…85 °C
Relative humidity 0…95 %
Operating altitude 0…2000 m without derating
2000…5000 m with derating
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 9.0 cm
Package 1 Width 22.0 cm
Package 1 Length 12.5 cm
Package 1 Weight 1.3 kg

Main Document

Data Sheet : LV426557 

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