NLM1L-630L-4P High-Performance Molded Case Residual Current Circuit Breaker | 630A Four-Pole MCCB | Industrial-Grade Protection · OEM/ODM Available

NLM1L-630L-4P — A High-Performance Molded Case Residual Current Circuit Breaker (MCCB) Designed for Industrial Safety

The NLM1L-630L-4P is a 630A four-pole molded case residual current circuit breaker specifically designed for medium to large-scale industrial power distribution systems. It provides robust overload, short-circuit, and dual residual current protection capabilities. Its stability, reliability, and flexibility make it an ideal choice for power engineers, switchboard manufacturers, and global distributors.

⭐ Key Advantages Highlights

✔ 630A High Current Design

Suitable for high-load industrial environments such as power plants, manufacturing, commercial buildings, and large power distribution systems.

✔ Four-Pole (4P) Full-Level Protection

Suitable for three-phase four-wire systems, providing more complete and accurate leakage and short-circuit protection.

✔ High-Sensitivity Leakage Protection

Quickly disconnects faulty circuits, significantly improving the safety of personnel and equipment.

✔ Compact, Reliable, and Durable

The exterior uses a high-strength engineering plastic housing, which is impact-resistant and high-temperature resistant, suitable for various industrial scenarios.

Intelligent Manufacturing · Stable Quality

This product is manufactured in our own factory, equipped with an advanced Intelligent Automated Production Line. From component processing and testing to assembly, the entire process is automated, ensuring:

Higher stability

Lower failure rate

More consistent electrical performance

Globally export-grade product quality

OEM/ODM Support – Meeting Your Brand Expansion Needs

We offer complete OEM/ODM customization services to global clients, including:

Casing Customization

Panel Color Customization

Logo/Brand Customization

Parameter Customization

Packaging Design

Perfect for overseas brand owners, electrical distributors, and switchboard manufacturers seeking long-term supplier partnerships.

Typical Applications

The NLM1L-630L-4P is widely used in the following industries:

Factory and Industrial Equipment

Switchboards and Complete Sets of Equipment

Commercial Buildings

Power Plants and Energy Systems

Data Centers

Municipal Engineering Projects

Why Choose Us?

20+ Years of Electrical Manufacturing Experience

Smart Factory & International Standard Quality Control (ISO, CE, CB, etc.)

Flexible Delivery Times, Stable Production Capacity

Global Export Experience, Multilingual Service Support

Professional Engineering Team, Providing Technical Support for Projects

The NLM1L-630L-4P MCCB combines advanced leakage protection, a robust 630A capacity, and intelligent manufacturing to deliver outstanding safety and reliability. With full OEM/ODM customization and global-grade quality control, it is an ideal solution for companies seeking high-performance, customizable circuit protection products for international markets.