The Replacement Cover for the Eaton Cutler-Hammer 1PMB400R is designed for durability and reliability in electrical applications. This cover is compatible with the 1PMB400R model, ensuring a perfect fit and optimal performance. Made from high-quality materials, it provides excellent protection against environmental factors. The dimensions are tailored to match the specifications of the original unit, ensuring seamless integration. Ideal for use in various industrial settings, this cover meets industry standards for safety and compliance.