The ONESTO Thermal Magnetic MCB Breaker is a high-performance AC circuit breaker designed for reliable electrical protection in demanding energy systems. Available in 1P, 2P, 3P, and 4P configurations, it supports rated voltages of 240V and 415V, making it ideal for industrial, commercial, and renewable energy applications. Compliant with IEC60898-1 standards, this MCB features B, C, and D curve options, a 3kA breaking capacity, and a 4kV impulse withstand voltage rating. Built with thermal-magnetic tripping technology, it ensures fast and accurate response to overloads and short circuits, enhancing system safety and uptime. Widely used in solar, energy storage, and smart grid systems, the ONESTO MCB Breaker delivers durable and efficient circuit protection for modern electrical infrastructures.More
