Description

Schneider LV426458 Compact

Introduction

The Schneider LV426458 Compact stands as a pinnacle of innovation in the realm of circuit breakers, offering unparalleled performance and reliability. In an era where space constraints are prevalent in electrical installations, the significance of compact circuit breakers cannot be overstated. Schneider Electric, a trailblazer in electrical solutions, addresses this need with the LV426458 Compact, setting new standards in the industry.

Understanding Compact Circuit Breakers

Definition and Functionality

Compact circuit breakers serve as automatic switches, tasked with interrupting current flow during overloads or short circuits. Despite their diminutive size, they boast robust performance and efficiency, making them indispensable components in electrical systems.

Advantages

Compact circuit breakers offer several advantages, including space efficiency, high performance, and ease of installation, making them an ideal choice for modern applications.

Schneider Electric: Pioneering Electrical Solutions

Brief History and Legacy

Schneider Electric’s roots trace back through a storied history of innovation and excellence. Over the years, the company has cemented its position as a global leader in energy management and automation, shaping the landscape of the electrical industry.

Influence on the Electrical Industry

Schneider Electric’s contributions to the electrical industry are monumental, with a diverse portfolio of products and solutions catering to various needs. The Compact NSX series, including the LV426458, exemplifies Schneider Electric’s commitment to advancing electrical technology.

Introduction to the Compact NSX Series

Overview

The Compact NSX series embodies Schneider Electric’s dedication to delivering cutting-edge solutions. Renowned for their reliability and versatility, these circuit breakers are designed to meet the evolving demands of modern electrical systems.

Key Features

  • Modularity: Allows for easy customization and scalability.
  • Advanced Protection: Incorporates state-of-the-art safety mechanisms.
  • User-Friendly Design: Simplifies installation and maintenance processes.

Introducing the Schneider LV426458 Compact

Detailed Specifications

The LV426458 Compact is engineered to deliver exceptional performance in a compact form factor.

Unique Attributes

  • High Breaking Capacity: Handles high fault currents with ease.
  • Compact Design: Optimized for installations with space constraints.
  • Advanced Trip Unit: Provides precise protection and monitoring capabilities.

Technical Specifications

Electrical Characteristics

  • Current Rating: 400A
  • Voltage Rating: 690V AC
  • Breaking Capacity: High fault current handling

Mechanical Properties

  • Dimensions: Compact size for seamless integration
  • Weight: Lightweight for ease of handling

Environmental Specifications

  • Operating Temperature: -25°C to +70°C
  • Protection Rating: IP40, with options for enhanced protection

Installation and Setup

Pre-installation Considerations

Ensure that the installation site meets all necessary specifications, including adequate ventilation and protection from environmental elements.

Step-by-step Installation Guide

  1. Mounting: Secure the breaker in the designated enclosure or panel.
  2. Electrical Connections: Connect the power supply and load terminals as per the provided wiring diagram.
  3. Configuration: Set up the trip unit parameters to align with the specific application requirements.

Initial Configuration and Programming Instructions

Refer to the user manual for detailed instructions on configuring initial settings, including current rating and trip characteristics. Schneider Electric’s software tools offer advanced programming and diagnostics capabilities.

Performance and Efficiency

Energy Efficiency Benefits

The LV426458 Compact is designed to optimize energy usage, reducing losses and enhancing overall system efficiency. Its advanced design minimizes energy wastage, contributing to cost savings and sustainability.

Performance Benchmarks

This model excels in protecting electrical systems from faults, offering rapid response times and unparalleled reliability. Its performance metrics often exceed industry standards, making it the preferred choice for critical applications.

Control and Monitoring Capabilities

Interface Options

The LV426458 supports various interfaces, providing flexibility in operation and monitoring.

Remote Monitoring and Control Functionalities

With built-in connectivity options, the LV426458 can be monitored and controlled remotely, providing real-time data and diagnostics to optimize performance and maintenance schedules.

Applications of the LV426458

Versatile Industrial Applications

The LV426458 finds applications across diverse industrial sectors, including manufacturing, infrastructure, and renewable energy.

Success Stories

Numerous industries have successfully integrated the LV426458 into their operations, reporting enhanced efficiency and reliability.

Additional information

brands

Schneider Electric

Specifications

Main
Range ComPact
Product name ComPact NSXm
Range of product ComPact NSXm
Device short name NSXm 125N
Product or component type Circuit breaker
Device application Distribution Protection
Number of poles 3P
Protected poles description 3D
[In] rated current 125 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 90 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 380...415 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
Performance level N 50 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 90 kA at 220...240 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 380...415 V AC 50/60 Hz conforming to IEC 60947-2 50 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 125 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 12.5 cm
Package 1 Width 9.0 cm
Package 1 Length 22.0 cm
Package 1 Weight 1.3 kg
Unit Type of Package 2 S03
Number of Units in Package 2 9
Package 2 Height 30.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 12.29 kg

Main Document

Main Document

Data Sheet : LV426458 

Main Document

Data Sheet : LV426458 

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