The ABB A1N020TW-2 is a robust circuit breaker designed for optimal performance and safety. This two-pole circuit breaker is adjustable from 20 to 400 amps, ensuring flexibility and protection for a variety of electrical applications. With dimensions of 3.45 inches in height, 5.1 inches in width, and 2.05 inches in depth, it is compact yet powerful. The unit weighs approximately 1 pound 4 ounces, making it lightweight and easy to install. The ABB A1N020TW-2 is crafted with precision engineering and adheres to UL safety standards, making it a reliable choice for both commercial and residential electrical systems.