Main
| range |
ComPact. |
| range of product |
ComPact NSX400…630. |
| device short name |
NSX400N. |
| product or component type |
Basic frame. |
| device application |
Distribution. |
| circuit breaker name |
Compact NSX400N. |
| Number of poles |
3P |
| [In] rated current |
400 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 |
85 kA at 240 V AC 50/60 Hz conforming to UL 508.
22 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2.
85 kA ICU at 220/240 V AC 50/60 Hz, conforming to IEC 60947-2.
10 kA ICU at 660/690 V AC 50/6.0 Hz, conforming to IEC 60947-2.
50 kA at 480 V AC 50/60 Hz, conforming to UL 508.
50 kA ICU at 380/415 V AC 50/60 Hz conforms to IEC 60947-2.
30 kA ICU at 500 V AC 50/60 Hz, conforming to IEC 60947-2.
20 kA at 600 V AC 50/60 Hz, conforming to UL 508.
42 kA ICU at 440 V AC 50/60 Hz, conforming to IEC 60947-2. |
| Performance level |
N 50 kA 415 V AC. |
| control type |
Toggle. |
| mounting mode |
Fixed. |
Complementary
| [Ui] rated insulation voltage |
800 V AC, 50/60 Hz, conforming to IEC 60947-2. |
| [Uimp] rated impulse withstand voltage |
8 kV, conforming to IEC 60947-2. |
| [Ics] rated service short-circuit breaking capacity |
11 kA at 525 V AC 50/60 Hz, conforming to IEC 60947-2.
85 kA at 220/240 V AC 50/60 Hz, conforming to IEC 60947-2.
10 kA at 660/690 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.
30 kA at 500 V AC 50/60 Hz, conforming to IEC 60947-2.
42 kA at 440 V AC 50/60 Hz, conforming to IEC 60947-2. |
| mechanical durability |
15000 cycles conforming to IEC 60947-2 |
| electrical durability |
12000 cycles 440 V AC 50/60 Hz In/2. conforming to IEC 60947-2.
3000 cycles, 690 V AC, 50/60 Hz, in . accordance with IEC 60947-2.
6000 cycles, 440 V AC, 50/60 Hz, in . accordance with IEC 60947-2.
6000 cycles, 690 V AC, 50/60 Hz, In/2. |
| mounting support |
Backplate.. |
| upside connection |
Front. |
| downside connection |
Front. |
| connection pitch |
45 mm. |
| protection type |
Without protection. |
| Width (W) |
140 mm. |
| Height (H) |
255 mm. |
| Depth (D) |
110 mm. |
Environment
| standards |
EN/IEC 60947-2.
UL 508. |
| product certifications |
CSA.
UL. |
| pollution degree |
conforming to IEC 60664-1. |
| IP degree of protection |
IP40 conforms to IEC 60529. |
| IK degree of protection |
IK07 conforms to IEC 62262. |
| ambient air temperature for operation |
-25…70 °C. |
| ambient air temperature for storage |
-50…85 °C. |
Packing Units
| Unit Type of Package 1 |
PCE. |
| Number of Units in Package 1 |
1 |
| Package 1 Height |
15.0 cm. |
| Package 1 Width |
15.7 cm. |
| Package 1 Length |
29.0 cm. |
| Package 1 Weight |
4.4 kg. |
| Unit Type of Package 2 |
P12. |
| Number of Units in Package 2 |
36. |
| Package 2 Height |
50.0 cm. |
| Package 2 Width |
80.0 cm. |
| Package 2 Length |
120.0 cm. |
| Package 2 Weight |
171.624 kg. |
Overview
The LV432403 ComPact NSX400N is a molded case circuit breaker (MCCB) that offers advanced protection, measurement, and monitoring capabilities. It is suitable for a wide range of industrial and commercial applications.
Key Features
- Rated Current:
- The LV432403 is designed to handle a rated current of up to 400A.
- Breaking Capacity:
- High breaking capacity of 50kA at 415V AC, ensuring reliable protection in the event of short circuits.
- Adjustable Protection Settings:
- Provides adjustable settings for overload and short-circuit protection, allowing for fine-tuning to match specific application requirements.
- Trip Unit:
- Equipped with an advanced electronic Micrologic trip unit that provides precise protection and easy configuration. Micrologic trip units offer enhanced protection functions, including:
- Overload protection (Ir)
- Short-circuit protection (Im)
- Earth fault protection (optional)
- Measurement and Monitoring:
- The Micrologic trip unit also offers integrated measurement functions, providing real-time data on current, voltage, power, and energy consumption.
- Communication Capabilities:
- The breaker can be equipped with communication modules for integration into energy management systems, facilitating remote monitoring and control.
- Compact Design:
- The ComPact NSX400N is designed to save space with its compact and modular design, making it easy to install in electrical panels and switchboards.
- Ease of Installation and Maintenance:
- Features such as front-facing terminals and plug-and-play accessories simplify installation and maintenance procedures.
- Compliance and Certification:
- Complies with international standards, including IEC 60947-2, ensuring high safety and performance standards.
Technical Specifications
- Frame Size: NSX400N
- Rated Current (In): Up to 400A
- Breaking Capacity: 50kA at 415V AC
- Operational Voltage: 690V AC max
- Number of Poles: Available in 3P and 4P configurations
- Trip Unit Type: Micrologic 2.0/2.2 (basic protection), Micrologic 5.0/5.2/6.0/6.2 (advanced protection and measurement)
- Mounting: Fixed or withdrawable
Applications
The LV432403 ComPact NSX400N circuit breaker is ideal for various applications, including:
- Industrial Facilities: Providing protection for machinery and electrical installations.
- Commercial Buildings: Ensuring reliable power distribution and protection for electrical systems.
- Data Centers: Protecting critical infrastructure and ensuring uninterrupted power supply.
- Renewable Energy: Suitable for use in solar and wind energy installations.
Benefits
- Enhanced Protection: Advanced trip units and high breaking capacity ensure reliable protection against overloads, short circuits, and ground faults.
- Operational Efficiency: Real-time measurement and monitoring capabilities help optimize energy consumption and improve system performance.
- Flexibility: Adjustable settings and a wide range of accessories allow for customization to meet specific application needs.
- Space-Saving Design: Compact and modular design makes it easy to install in confined spaces, reducing the overall footprint of electrical installations.
In summary, the LV432403 ComPact NSX400N circuit breaker from Schneider Electric is a highly reliable and versatile solution for protecting and controlling electrical systems in various industrial and commercial environments.
