The QO220 Square D 2-Pole Circuit Breaker is a reliable and durable electrical component designed for industrial and commercial applications. With a maximum amperage of 20A, this circuit breaker is capable of handling heavy electrical loads. The QO Series by Square D is known for its quality and performance, making this product a dependable choice for ensuring the safety and efficiency of electrical systems. The box of 4 provides convenient packaging for easy installation and maintenance.