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Naile Electric Co., Ltd. was jointly established by a group of electrical professionals with years of experience in technology development and management. It owns modern industrial plants and office spaces. As a modern technology-based enterprise, it specializes in the production and operation of lo
Naile Electric Co., Ltd. was jointly established by a group of electrical professionals with years of experience in technology development and management. It owns modern industrial plants and office spaces. As a modern technology-based enterprise, it specializes in the production and operation of lo
Naile Electric Co., Ltd. was jointly established by a group of electrical professionals with years of experience in technology development and management. It owns modern industrial plants and office spaces. As a modern technology-based enterprise, it specializes in the production and operation of lo
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NLM3DC（2P)
CHNAILE
Suitable for DC 1000V systems and features a high breaking capacity, providing stable protection even in high short-circuit current environments.
Optimized for DC applications, the 2-Pole design ensures significantly improved voltage, arc control, and reliability.
Utilizes a flame-retardant housing, high-strength components, and high-temperature resistant design, ensuring strong long-term operational stability.
The entire machine is manufactured using the company's advanced smart automated production line, with digital process control ensuring:
Higher consistency
Lower defect rate
Speedier delivery
We offer a full range of services including appearance customization, performance customization, logo customization, and packaging customization, making us particularly suitable for distributors, electrical brand owners, and system integrators.
Photovoltaic Energy Storage DC Protection
New Energy Projects
Electric Vehicle DC Power Distribution
Industrial Equipment Power Management
Overseas DC Grid Connection
✔ Extremely high reliability – suitable for high-voltage, high-current DC environments
✔ Manufactured to international standards, with multiple industry certifications
✔ Highly competitive pricing, offering advantages over European and American brands
✔ Stable supply capacity – large-scale production capacity in smart factories
✔ Flexible OEM/ODM services – meeting branding and project-based needs
✔ Suitable for the rapidly growing new energy market (PV / ESS / EV)
The NLM3DC-630A/2P circuit breaker employs an optimized magnetic blowout structure, effectively enhancing the rapid elongation and extinguishing capabilities of the DC arc, fundamentally improving DC breaking performance. The internal components utilize precision copper parts and a high-load-resistant mechanical structure, ensuring stable operation with low temperature rise and long service life under continuous high current conditions.
Advanced insulation materials guarantee stable performance even in high humidity, high temperature, and dusty environments, making it suitable for enclosed installation scenarios such as outdoor distribution boxes, energy storage cabinets, and inverter cabinets.
The company leverages automated intelligent production lines to achieve full-process digital monitoring, ensuring that each MCCB undergoes rigorous quality testing, including temperature rise testing, electrical life testing, breaking capacity testing, and mechanical durability testing.