NSX Molded Case Circuit Breaker / Low-Voltage Primary Components

1. Product Overview

This product is a low-voltage power distribution and protection assembly designed for AC low-voltage systems. It integrates the NSX molded case circuit breaker and other essential low-voltage primary components inside a compact metal cabinet. The assembly is suitable for industrial plants, commercial buildings, residential projects, photovoltaic systems, energy storage stations and other power distribution scenarios.

2. Core Components

• NSX Molded Case Circuit Breaker

Provides overload protection, short-circuit protection and reliable circuit breaking for low-voltage distribution lines.

• Main Busbars

Transmit and distribute electrical power to multiple outgoing circuits with high current-carrying capacity.

• Current Transformers (CTs)

Convert primary current into standard secondary signals for metering, monitoring and protection control.

• Energy Meter

Measures voltage, current, power, active energy and reactive energy for power management.

• Terminal Blocks

Ensure safe and organized connections for control circuits, metering circuits and secondary wiring.

• PE Busbar

Provides reliable earthing protection and reduces electrical safety risks.

3. Key Features

• Compact and modular design
• Reliable overload and short-circuit protection
• Clear internal layout for easy inspection
• Stable current-carrying performance
• Easy installation and maintenance
• Suitable for indoor low-voltage distribution systems
• Customizable configuration according to project requirements

4. Technical Specifications

5. Applications

• Factory power distribution rooms
• Commercial building electrical systems
• Residential community substations
• Photovoltaic power stations
• Energy storage systems
• Industrial automation equipment
• Shopping malls, hospitals and office buildings

6. Usage Environment

• Indoor installation
• Ambient temperature: -5°C to +40°C
• Altitude: ≤ 2000 m
• Relative humidity: ≤ 50% at 40°C, ≤ 90% at 20°C
• No corrosive gases, no conductive dust, no strong vibration
• Dry and well-ventilated environment

7. Packing & Delivery

• Standard export wooden case
• Suitable for sea freight, air freight and land transportation
• Custom packing options available based on order quantity