The Siemens SENTRON 3VA2325-8KP32-0AA0 is a 3-pole molded case circuit breaker rated for 250 A continuous current across the full ambient range from 40 °C to 70 °C — no derating needed up to that ceiling, which simplifies panel thermal budgeting in a crowded enclosure. Breaking capacity hits 440 kA at 240 V and still delivers 330 kA at 415 V and 440 V, dropping to 220 kA at 500 V and 52.5 kA at 690 V — so it handles high-fault utility feeds and large motor branch circuits without cascading upstream.
The 138 mm width matches the typical 3-pole SENTRON slot; if you're replacing an older 3VA1 or 3VF breaker, check the busbar lug spacing and mounting hole pattern, but the 3VA2 series shares the same mechanical envelope. No DIN-rail mounting — these bolt directly to a backplate or busbar assembly.
Trip unit and coordination
The ETU850 release is the top-tier electronic trip unit in the 3VA2 range, offering full selectivity (LSIG) with adjustable pickup and delay settings. Communication function is built in — no external module required for basic remote status and trip indication, which saves a slot in the panel and simplifies wiring. The absence of a trip indicator on the front face (: No) means you'll rely on the communication link or the handle position for local status; factor that into your maintenance walk-down procedure.