The Siemens SENTRON 3VA2340-6KP32-0DH0 is a 3-pole molded case circuit breaker (MCCB) rated for 400 A continuous current at 40 °C, with the same rating holding through 50 °C. The interrupting ratings are what drive the selectivity study: 242 kA at 240 V, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 7.5 kA at 690 V.
Integration and panel fit
The basic switch assembly is order code 3VA2340-6KP32-0AA0, which is the core switching mechanism; this variant adds the UVR and communication function on top.