Eaton MCCB molded case circuit breaker NZMN1 series NZMN1-A125 rated DC voltage 750V

The Eaton NZMN1-A125 is a premium molded case circuit breaker (MCCB) from the renowned NZMN1 series, specifically engineered to meet the rigorous demands of direct current (DC) electrical systems. Combining Eaton’s industry-leading expertise in electrical protection with rugged design, this breaker delivers exceptional reliability for applications requiring stable and safe DC power management.​

A key technical highlight of the NZMN1-A125 is its rated DC voltage of 750V—a specification that makes it ideal for high-voltage DC environments such as renewable energy systems (solar PV inverters, energy storage arrays), industrial DC power distribution, and electric vehicle charging infrastructure. This voltage rating ensures the breaker can withstand sustained DC loads without compromising performance, providing critical protection against overloads and short circuits.​

Equipped with 3 poles, the NZMN1-A125 offers flexible and efficient circuit configuration, accommodating three-wire DC systems commonly used in industrial and commercial setups. The 3-pole design enables simultaneous interruption of multiple DC circuits, enhancing safety and simplifying installation by integrating seamlessly into existing electrical panels and enclosures.​

Built on the NZMN1 series’ reputation for durability, the NZMN1-A125 features a robust housing that resists environmental stressors, while its precision-engineered internal components ensure consistent tripping performance and long service life. It is also compatible with Eaton’s suite of electrical monitoring and control systems, allowing for seamless integration into smart power management networks.​

Whether deployed in large-scale solar farms, industrial manufacturing facilities, or critical DC power grids, the Eaton NZMN1-A125 stands as a trusted choice—offering 750V DC rated voltage, 3-pole versatility, and the reliability that Eaton is known for, ensuring uninterrupted operation and maximum protection for DC electrical systems.​