Product Description: This Siemens 3VA5140-5ED31-0AA0 is a Molded Case Circuit Breaker from the 3VA family, specifically the 3VA51 type. It is a 3-pole breaker rated for 40 amps and 600 volts, with an AIC rating of 35kA at 480V. The unit features a feed-thru connection and provides reliable thermal magnetic protection for electrical systems.