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The NLW3-4000 Air Circuit Breaker (ACB) is an intelligent, heavy-duty low-voltage protection device designed for industrial, commercial, and energy-distribution systems. As a premium 4000A ACB, it focuses on delivering maximum electrical safety and long-term reliability—addressing the high-current demands of large-scale power networks. Unlike standard circuit breakers, the NLW3-4000 ACB integrates advanced protection functions and durable construction, making it a core component for minimizing downtime in critical operations. Whether deployed in factories, power stations, or data centers, this air circuit breaker ensures stable performance even under heavy loads, solidifying its role as a trusted solution for high-reliability power systems.
Parameter | Value |
Model | NLW3-4000 |
Type | Air Circuit Breaker |
Rated Current | 4000A |
Protection | Overload, Short-Circuit, Ground Fault |
Installation | Fixed / Withdrawable |
Application | Industrial & Commercial Power Distribution |
The NLW3-4000 Air Circuit Breaker is engineered with a 4000A rated current, specifically tailored for heavy industrial loads. This capacity allows it to handle large electrical flows without compromising stability, a key requirement for power-hungry equipment in steel mills, chemical plants, and other industrial settings. The 4000A ACB outperforms smaller breakers by supporting continuous high-current operation, ensuring power networks remain consistent even during peak demand.
Safety is central to the NLW3-4000 ACB, which includes three critical protection mechanisms: overload protection, short-circuit protection, and ground fault protection. These features work in tandem to detect abnormal electrical conditions quickly—interrupting the circuit to prevent equipment damage or safety hazards. The precision of these functions ensures the NLW3-4000 Air Circuit Breaker responds appropriately to different fault types, avoiding unnecessary shutdowns while addressing critical risks.
Built for harsh environments, the NLW3-4000 Air Circuit Breaker boasts a long service life and high mechanical endurance. Its dustproof and corrosion-resistant structure allows it to operate effectively in dusty factories, humid commercial spaces, and temperature-fluctuating industrial sites. This durability reduces maintenance costs and replacement frequency, making the 4000A ACB a cost-effective choice for long-term projects.
The NLW3-4000 ACB supports optional communication modules, enabling real-time system diagnostics and remote monitoring. Facility managers can track the breaker’s performance, identify potential issues early, and make adjustments without on-site visits—enhancing operational efficiency. The expandable intelligent control also lets the NLW3-4000 Air Circuit Breaker adapt to evolving system needs, boosting its versatility for future upgrades.
In industrial settings like power plants, steel mills, and chemical plants, the NLW3-4000 Air Circuit Breaker is essential for high-current power distribution networks. It protects heavy machinery and production lines from electrical faults, ensuring uninterrupted operation and preventing costly productivity losses.
For large commercial spaces—such as shopping malls, office complexes, and hospitals—the 4000A ACB safeguards critical systems like HVAC, elevators, and emergency power supplies. Its reliable protection ensures daily operations run smoothly and provides backup safety for emergency situations.
Data centers require 24/7 stable power to protect sensitive servers and prevent data loss. The NLW3-4000 Air Circuit Breaker’s high-reliability design and advanced protection make it ideal for these environments, ensuring consistent performance even during round-the-clock operation.
To meet diverse project needs, the NLW3-4000 Air Circuit Breaker offers flexible customization options. Customers can select optional communication modules to align with existing monitoring systems, or choose between fixed and withdrawable installation types based on facility layout. For bulk orders or specialized requirements, our team provides tailored solutions—such as integrating the 4000A ACB into unique power distribution designs—to ensure seamless compatibility with other system components.
The NLW3-4000 Air Circuit Breaker is designed for low-voltage power distribution systems in industrial, commercial, and energy sectors. It excels in systems requiring 4000A rated current and protection against overload, short-circuit, and ground faults.
Yes, the NLW3-4000 ACB offers optional communication modules that enable remote monitoring and real-time diagnostics. This feature lets users track performance from a centralized location, improving operational efficiency.
Absolutely. The NLW3-4000 Air Circuit Breaker has a dustproof and corrosion-resistant design, making it durable in dusty, humid, or temperature-variable environments.
Yes, the NLW3-4000 ACB is available in both fixed and withdrawable installation types. This flexibility allows customers to match the breaker to their facility’s layout and maintenance needs.
