This Square D QO Twin Tandem Circuit Breaker is a high-quality electrical equipment that is perfect for your business needs. With a maximum amperage of 20A and voltage rating of 120/240V, it is compatible with wire gauge ranging from 1-5 AWG. This circuit breaker is designed to provide reliable and safe circuit protection, and it is suitable for a wide range of applications. Whether you are looking to upgrade your circuit or seeking a replacement for your old circuit breaker, this Square D QO Twin Tandem Circuit Breaker is a great choice.