GreenWatt's AC400V MCCB 400A 4 pole are engineered to deliver precision and reliability in electrical protection. These breakers feature advanced thermal-magnetic trip units that ensure accurate detection of overloads and short circuits. The durable plastic housing provides excellent insulation and resistance to wear and tear. With a high breaking capacity, these breakers are capable of handling demanding electrical loads without compromising safety. GreenWatt's breakers are designed for easy installation and maintenance, with clear indicators for trip status. Customization options are available through our ODM services, and free samples are offered to help you experience the reliability of our products.