250 A MCCB for high-fault panels
The SENTRON 3VA2325-6HN32-0AB0 is a 3-pole molded case circuit breaker rated 250 A continuous at 40 °C, with a breaking capacity of 242 kA at 240 V. That SCCR headroom means it clears faults up to 242 kA without cascading upstream — sized for high-available-fault-current switchboards where a standard 65 kA MCCB would risk a violent arc-flash event. At 415 V the rating holds at 187 kA, and it still delivers 121 kA at 500 V, dropping to 7.5 kA at 690 V. That simplifies panel thermal calculations — the breaker delivers its nameplate rating even in a warm enclosure.
Line protection with auxiliary switches
This is a line-protection design (not motor or generator protection), meaning it trips on overload and short-circuit per the standard time-current curve for feeder circuits. It ships with 2 HP auxiliary switches — those are the high-performance contacts rated for separate control-circuit isolation, not just status indication. Dimensions are 248 mm high, 138 mm wide, 110 mm deep — standard 3-pole MCCB footprint for 250 A frame size. Mounts on a panel backplate with through-bolts; no DIN-rail clip on this class.
The base switch variant is order code 3VA2325-6HN32-0AA0 (without auxiliary switches). This -0AB0 variant adds the 2 HP auxiliary switches pre-installed, saving a panel-builder labor step. If your BOM already carries the -0AA0, you can add the auxiliary kit separately — but this factory-fitted version is the cleaner procurement path.