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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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NLM3HU-250
CHNAILE
The NLM3HU-250 High Voltage Moulded Case Circuit Breaker (MCCB) is engineered for demanding industrial environments that require high voltage, high stability, and high safety performance. With a rated current of 250A and support for AC800/1000/1140V, it is widely used in energy systems, mining operations, heavy machinery equipment, distribution cabinets, and other high-load scenarios.
This MCCB is built with advanced arc-extinguishing technology, ensuring a secure interruption of high short-circuit currents. With Icu up to 50kA and Ics up to 35kA, it provides strong endurance for harsh operating conditions. The 12kV impulse withstand voltage further enhances its reliability for high-voltage power networks.
Supports AC 800V / 1000V / 1140V, meeting the needs of modern industrial distribution systems.
Icu 50kA
Ics 35kA
Ensures stable and safe operation under extreme fault conditions.
High-strength plastic housing with optimized thermal design guarantees long-term stability.
Produced using fully automated and intelligent manufacturing, ensuring:
Consistent quality
Higher precision
Faster delivery time
Better cost performance
We support global partners with:
Customized labels and branding
Tailored electrical parameters
Private mold design
Packaging customization
Perfect for distributors, brand owners, and engineering contractors expanding overseas markets.
| Rated current (In): | 250A |
| Rated insulation voltage (Ui): | 1150V |
| Impulse withstand voltage (Uimp): | 12kV |
| Frequency: | 50/60Hz |
| Short-circuit capacity: | Icu 50kA / 20kA / 15kA |
| Conformity: | GB/T 14048.2 and industrial safety standards |
Designed specifically for heavy-duty international industrial markets
High performance but competitive pricing
High reliability proven across mining, marine, energy, and power distribution
Fast global shipping with OEM/ODM branding options
Manufactured by a professional MCCB factory with intelligent automation
Whether you are an importer, distributor, EPC contractor, or equipment manufacturer, the NLM3HU-250 is your high-performance solution for demanding electrical systems.
We provide OEM/ODM customization, fast production, and global support—helping your business grow with stable quality and competitive products.