This Square D QO320 circuit breaker is a reliable choice for any electrical setup. With a maximum amperage of 20A and 3 positions, it is designed to protect against short circuits and overloads. The breaker is compatible with 3 phases AC current and has a voltage rating of 240VAC. The QO brand is known for its high-quality electrical equipment and this circuit breaker is no exception. It is ideal for use in business and industrial settings where a reliable circuit breaker is needed. With its compact design and easy installation, the Square D QO320 circuit breaker is a great choice for anyone looking to upgrade their electrical system.