Product Description: The Siemens 3VA5120-5ED11-0AA0 is a Molded Case Circuit Breaker from the 3VA family. It is a 1-pole breaker rated for 600 Volts and 20 amps, with an AIC rating of 35kA@277V. This model features a Feed-Thru connection and provides Thermal Magnetic protection for reliable circuit interruption.