Product Description: The Siemens 3VA5120-6ED11-0AA0 is a Molded Case Circuit Breaker from the 3VA family. It is a 1-pole breaker rated for 600 Volts and 20 amps, featuring a 50kA@277V AIC rating. This model uses a Feed-Thru connection and provides Thermal Magnetic protection for reliable circuit interruption.