ARM3DC Series DC Molded Case Circuit Breakers
With the widespread application of DC power distribution technology in photovoltaic power generation, electric vehicle charging, and communication power supplies, the market demand for economical DC protection equipment is increasing. AceReare Electric's Arm3DC series DC molded case circuit breakers, developed based on the mature ARM3 platform, are specifically designed for low-voltage DC systems. With excellent cost-effectiveness and reliable protection performance, they provide a fundamental protection solution for DC power distribution systems.
The ARM3DC series employs dedicated DC arc extinguishing technology, effectively addressing the technical challenge of extinguishing DC arcs through optimized magnetic blowout systems and arc-extinguishing grid structures. The product's simple and rational structural design ensures DC breaking performance while balancing economy and practicality, making it particularly suitable for low-voltage DC applications with rated voltages up to DC 500V.

Leveraging AceReare Electric's extensive experience in circuit breaker manufacturing, the ARM3DC series has achieved independent production and quality control of core components. This series offers multiple current ratings from 63A to 630A, with a breaking capacity of up to 15kA, fully meeting the protection needs of applications such as photovoltaic combiner boxes, communication base station power supplies, DC charging piles, and low-voltage DC distribution cabinets.
contact materials and arc-extinguishing chamber design, it can rapidly elongate and divide the DC arc, achieving current breaking in an extremely short time. Its operating mechanism is flexible and reliable, with a long service life and easy maintenance, providing fundamental and crucial overload and short-circuit protection for DC systems.
This product series boasts excellent environmental adaptability, with an IP40 protection rating, meeting the standard requirements for indoor installation. It also provides standard accessories such as auxiliary contacts and sHunt release, facilitating system integration and functional expansion, offering users flexible and economical configuration options.

Against the backdrop of rapid development in DC applications, the ARM3DC series has gained widespread recognition in the field of low-voltage DC protection due to its precise market positioning and reliable product performance. This product is particularly suitable for projects with limited budgets and fundamental reliability requirements, ensuring the safe operation of DC power distribution systems.
AceReare Electric is committed to providing customers with high-quality and reliable electrical protection products. The ARM3DC series DC molded case circuit breakers safeguard DC systems with economical and reliable performance, contributing to the promotion and application of DC power distribution technology.


Your Solutions For Electric Distribution
Electronic MCCB
400V/690V ACB
Thermal magnetic MCCB
Your Solutions For Solar System
Your Solutions For MCCB Manufacturing









