Schneider LV426556 | circuit breaker Compact NSXm 80A 3P 70kA at 380/415V(IEC) compression lug

. Technical Specifications

• Manufacturer: Schneider Electric

• Product Family: Compact NSXm

• Model Number: LV426556

• Device Type: Molded Case Circuit Breaker (MCCB)

• Rated Current (In): 80 A

• Number of Poles: 3 poles (3P)

• Rated Insulation Voltage (Ui): 800 V AC

• Rated Operational Voltage (Ue): Up to 415 V AC (IEC)

• Breaking Capacity (Icu):

  • 70 kA at 380/415 V AC (IEC 60947-2)

• Utilization Category: A (non-selective trip characteristics)

• Trip Unit Type: Thermal-magnetic

• Terminal Type: Compression lugs (pre-installed)

• Mounting: Fixed, surface or DIN rail

• Standards Compliance:

  • IEC 60947-2

  • CE, EAC, RoHS certified

• Operating Temperature: -25°C to +70°C

. Key Features

• Compact dimensions with high performance – ideal for space-constrained panels

• High breaking capacity (70 kA) ensures system safety under short-circuit conditions

• Thermal-magnetic trip unit for reliable overload and short-circuit protection

• Compression lug terminals for quick, tool-free secure connections

• Fully IEC compliant for use in international low-voltage systems

• Pre-wired design supports easy integration into distribution systems

. Typical Applications

The LV426556 Compact NSXm MCCB is suitable for a wide range of applications, including:

• Electrical distribution panels in commercial buildings

• Industrial automation and process control systems

• Machine protection and control

• OEM panel boards and switchboards

• Small-scale backup power systems (e.g., UPS, generators)

. Advantages

• Compact size with robust performance for demanding applications

• High fault current withstand enhances safety in fault-prone environments

• Easy installation and cable management using compression lug terminals

• Reliable trip mechanism for consistent circuit protection

• Long operational lifespan and low maintenance requirements

• Compatible with Schneider’s accessories and auxiliaries