The Eaton GHB3030 is a 3-Pole 30Amp 480V Circuit Breaker in black color with thermal overload protection. It features a bolt-on mounting style and an on/off operation method, making it suitable for main breaker applications. This circuit breaker by Eaton, known for its reliability and quality, offers overload protection and is designed to handle a maximum amperage of 30A, making it ideal for various electrical equipment and supplies in a business or industrial setting.