The product is a used Siemens B220EG ground fault circuit breaker, rated at 20A, 2P, and designed for use with 120/240V electrical systems. This circuit breaker is specifically a BLEB (Built-in Residual Current Circuit Breaker with Earth Leakage protection) type, providing reliable protection against earth faults. As a product from the trusted brand Siemens, it ensures quality and performance in electrical equipment and supplies for industrial and commercial applications.