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Schneider LV426558 Compact | circuit breaker ComPact NSXm H (70 kA at 415 VAC), 3P 3d, 125 A rating TMD trip unit, compression lugs and busbar connectors

Schneider Electric

In stock

Schneider LV426558 Compact

19,313 EGP 30,176 EGP

In stock


Schneider LV426558 Compact


In the realm of electrical engineering and automation, it stands as a symbol of innovation and efficiency. This article aims to explore its features, applications, benefits, and maintenance considerations, shedding light on its pivotal role across diverse industries.

Understanding Schneider LV426558 Compact

Defining the it

it represents a cutting-edge solution in control device technology, offering compact yet powerful capabilities for various applications.

Key Components of Schneider LV426558 Compact

Comprising advanced microcontrollers, communication interfaces, and rugged construction, it embodies reliability and performance in a compact form.

Operational Mechanism of Schneider LV426558 Compact

Driven by sophisticated algorithms and intuitive interfaces, the Schneider LV426558 Compact operates seamlessly to regulate electrical systems with precision and efficiency.

Applications of Schneider LV426558 Compact

Industrial Control Systems

In industrial settings, it plays a vital role in regulating machinery and processes, ensuring smooth operation and optimal productivity.

Building Management Systems

Within building management systems, it facilitates efficient control of lighting, HVAC, and security systems, enhancing occupant comfort and energy efficiency.

Renewable Energy Installations

In renewable energy installations, such as solar and wind farms, it enables precise management of power generation, storage, and distribution, contributing to grid stability and sustainability.

Features of Schneider LV426558 Compact

Compact Design

The compact form factor of it allows for easy integration into space-constrained environments, without compromising performance or functionality.

Advanced Control Capabilities

Equipped with advanced control algorithms and configurable parameters, it offers precise control over a wide range of electrical parameters, ensuring optimal system performance.

Compatibility with Various Protocols

Supporting multiple communication protocols such as Modbus, Profibus, and Ethernet/IP, the Schneider LV426558 Compact facilitates seamless integration with existing automation systems and devices.

Benefits of Schneider LV426558 Compact

Space Efficiency

Its compact design maximizes space utilization in control cabinets and electrical enclosures, optimizing real estate in industrial and commercial settings.

Enhanced Performance

By providing accurate control and monitoring capabilities, it enhances the overall performance and reliability of electrical systems, minimizing downtime and maximizing productivity.

Versatile Integration

Compatible with a wide range of communication protocols and devices, the Schneider LV426558 Compact offers flexibility and scalability for integration into diverse control infrastructures, enabling future expansion and upgrades.

Installation and Maintenance

Installation Guidelines

Installing it involves mounting the device securely, connecting it to power and communication networks, and configuring settings according to application requirements.

Routine Maintenance Practices

Routine maintenance includes periodic inspections, firmware updates, and calibration checks to ensure optimal performance and longevity of the Schneider LV426558 Compact.

Troubleshooting Techniques

In case of operational issues or faults, troubleshooting involves diagnosing the problem, checking connections, and consulting technical documentation or support resources for assistance.

Reasons to Choose Schneider LV426558 Compact


Backed by Schneider Electric’s reputation for quality and reliability, it offers dependable performance in critical control applications.


Its advanced features and precise control capabilities contribute to energy efficiency and cost savings, aligning with sustainability goals and optimizing resource utilization.


it is scalable and adaptable to evolving automation requirements, allowing for seamless integration and expansion as operational needs change.


In conclusion, it epitomizes efficiency and reliability in control device technology. Its compact design, advanced features, and seamless integration make it an indispensable asset across a multitude of industries.

Range ComPact
Product name ComPact NSXm
Range of product ComPact NSXm
Device short name NSXm 125H
Product or component type Circuit breaker
Device application 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 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
[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 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)
Standards EN/IEC 60947
product certifications CCC
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 cm
Package 1 Length 22 cm
Package 1 Weight 1.3 kg
Unit Type of Package 2 S03
Number of Units in Package 2 9
Package 2 Height 30 cm
Package 2 Width 30 cm
Package 2 Length 40 cm
Package 2 Weight 12.29 kg
Unit Type of Package 3 P12
Number of Units in Package 3 216
Package 3 Height 110 cm
Package 3 Width 80 cm
Package 3 Length 120 cm
Package 3 Weight 304.89 kg

Main Document

Data Sheet : LV426558 

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