This Square D FY14020B circuit breaker is a reliable and efficient solution for your electrical needs. With a voltage rating of 277 and a maximum amperage of 20, this 1-pole breaker is perfect for your industrial or commercial business. The brand, Square D, is well-known for their quality and durability, making this breaker a great choice for your circuit breaker needs. The model, FY, is designed for fast and easy installation, and the NS rating indicates that it is a standard type breaker. Overall, this circuit breaker is a great choice for anyone looking for a reliable and efficient electrical solution.