ComPact NSX | Schneider | LV432693 3P 400A MIC2.3 NSX400N breakers brand new with box

Product Description: Schneider Electric LV432693

The Schneider Electric LV432693 is a 3-pole molded case circuit breaker from the ComPact NSX series, equipped with the Micrologic 2.3 electronic trip unit. Designed for low-voltage power distribution, it provides reliable protection against overloads and short circuits in industrial and commercial electrical systems. With a rated current of 400A and a breaking capacity of up to 50kA at 415V AC, this breaker ensures safety and performance in demanding applications.

Key Features

• Rated current: 400A at 40°C
• Breaking capacity: Up to 50kA at 380/415V AC (Icu)
• Micrologic 2.3 electronic trip unit with LSoI protection functions
• Adjustable long-time and short-time protection settings
• Fixed instantaneous short-circuit protection
• Suitable for isolation as per IEC 60947-2
• Front-mounted toggle control
• Fixed mounting with front connections
• LED indicators for operational status and overload conditions
• Compliance with international standards: IEC 60947, CCC, EAC, and marine certifications

Technical Specifications

• Number of Poles: 3
• Rated Operational Voltage (Ue): 690V AC 50/60Hz
• Rated Insulation Voltage (Ui): 800V AC
• Rated Impulse Withstand Voltage (Uimp): 8kV
• Breaking Capacities (Icu): 85kA at 220/240V AC
• Breaking Capacities (Icu): 50kA at 380/415V AC
• Breaking Capacities (Icu): 42kA at 440V AC
• Breaking Capacities (Icu): 30kA at 500V AC
• Breaking Capacities (Icu): 20kA at 600V AC
• Breaking Capacities (Icu): 10kA at 660/690V AC
• Service Breaking Capacity (Ics): Up to 50kA at 380/415V AC
• Trip Unit Functions: L: Long-time (overload) protection
• Trip Unit Functions: S: Short-time protection
• Trip Unit Functions: I: Instantaneous protection
• Long-time Protection Adjustment Range: 0.9 to 1 x Ir (400A)
• Short-time Protection Adjustment Range: 1.5 to 10 x Ir
• Instantaneous Protection Setting: Fixed at 4800A
• Mechanical Durability: 15,000 cycles
• Electrical Durability: Up to 6,000 cycles at 440V AC
• Mounting Mode: Fixed, backplate-mounted
• Connection: Front (top and bottom)
• Dimensions (W x H x D): 140mm x 255mm x 110mm
• Weight: Approximately 6.05 kg
• Degree of Protection: IP40 (IEC 60529), IK07 (IEC 62262)
• Operating Temperature Range: -25°C to +70°C
• Storage Temperature Range: -50°C to +85°C
• Relative Humidity: 0% to 95%

Application Areas

• Industrial power distribution systems
• Commercial building electrical installations
• Motor control centers
• Panelboards and switchboards
• Infrastructure and utility power management

Advantages

• High breaking capacity ensures safety in fault conditions
• Electronic trip unit allows precise protection settings
• Compact design saves space in electrical panels
• Compliance with international standards ensures global applicability
• Durable construction for long service life in demanding environments