Product Description: The Siemens 3VA5140-1MH31-0AA0 is a Molded Case Circuit Breaker from the 3VA family, specifically the 3VA51 type. It is a 3-pole breaker rated for 600 Volts and 40 amps, with an interrupting capacity of 65kA at 480V. This model features a feed-thru connection and provides magnetic-only protection for reliable circuit interruption.