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Nader is a leading manufacturer in China’s high-end low-voltage electrical apparatus industry, and the country’s largest producer of high-quality Miniature Circuit Breakers (MCBs). Listed on the Shenzhen Stock Exchange, Nader is a research- and innovation-driven company, focused on meeting evolving customer demands through continuous technological advancement. We deliver safe, reliable, environmentally friendly, and energy-efficient low-voltage electrical components.
Our brand is positioned as a high-end expert in low-voltage electrical system solutions. We are dedicated to helping customers overcome operational challenges and gain a competitive edge.
Nader DC Circuit Breakers for Solar Systems
Nader’s top-quality DC circuit breakers are engineered to ensure safety, durability, and efficiency in solar energy systems. Designed for high performance, these breakers deliver dependable protection across various applications. Explore our comprehensive range of DC circuit breakers to find the ideal solution for your solar energy needs.
Product Focus and Applications
Nader specializes in the R&D and manufacturing of a wide range of circuit protection devices, including:
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Miniature Circuit Breakers (MCB)
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Moulded Case Circuit Breakers (MCCB)
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Air Circuit Breakers (ACB)
Our portfolio includes over 100 product lines, widely used in sectors such as:
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5G communications
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Data centers
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Solar (photovoltaic) energy
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Wind power
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New energy vehicles
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OEM equipment manufacturing
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Building power distribution systems
Technology & Innovation
Nader is a technology-driven, customer-centric enterprise. We have obtained 1,392 patents and operate two digital factories covering a total of 260,000 m². By introducing advanced international management systems and intelligent production lines, we ensure both high quality and high efficiency in manufacturing.
Global Presence
Nader products are trusted by industry leaders around the world. Our global partnerships include companies such as:
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United States: Cisco, Emerson
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Sweden: Ericsson
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Finland: Nokia
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Germany: Siemens
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South Korea: Samsung
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Brazil, Spain, Italy, Malaysia, and more — spanning over 30 countries and regions.
Product Highlights
Miniature Circuit Breaker (MCB)
Designed for terminal protection in single-phase and three-phase systems (up to 125A), Nader MCBs offer protection from short circuit, overload, and overvoltage conditions. Available in 6 variants: 1P, 1P+N, 2P, 3P, 3P+N, and 4P.
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Rated Current: 1A to 125A
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Working Voltage:
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AC: 230V, 400V, 415V
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DC: 60V to 1200V
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Moulded Case Circuit Breaker (MCCB)
MCCBs use insulated plastic casings and are equipped with either thermal-magnetic or electronic trip units. Suitable for a wide range of industrial and commercial applications.
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Rated Current: 10A to 1250A
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Poles: 2P, 3P, 4P
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Working Voltage:
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AC: 400V to 1000V
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DC: 250V to 1500V
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Air Circuit Breaker (ACB)
ACBs are robust mechanical switching devices that ensure safe operation under both normal and fault conditions. Ideal for energy distribution and equipment protection.
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Rated Current: 200A to 6300A
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Poles: 3P, 4P
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Working Voltage: 220V to 1000V
[Learn more]
Comprehensive Protection & Versatile Use
Nader MCBs also support protection against overcurrent, undervoltage, ground fault, leakage, voltage loss, and allow for automatic dual power switching—ensuring complete operational safety and continuity.
- MidNite Solar
- STMicroelectronics
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