Product Description: The Siemens 3VA5210-5EC31-0AA0 is a Molded Case Circuit Breaker from the Sentron Series family. This 3VA52 type breaker is a 3-pole unit rated for 100 amps and 600 volts, with an AIC rating of 35kA at 480V. It features a Feed-Thru connection and provides Thermal Magnetic protection for reliable circuit safety.