GreenWatt's AC400V MCCB 400A 3 pole are built to deliver consistent performance in challenging environments. These breakers feature a high breaking capacity and excellent thermal stability, ensuring reliable operation under heavy loads. The ergonomic design includes clear indicators for trip status, simplifying maintenance and troubleshooting. The plastic housing provides excellent insulation and resistance to environmental factors such as humidity and dust. GreenWatt's breakers are compatible with a wide range of electrical systems and are certified to meet global safety standards. We also offer ODM services for customized solutions and provide free samples to help you experience the reliability of our products.