What this MCCB carries
The Siemens SENTRON 3VA2225-5JQ32-0HH0 is a 3-pole molded case circuit breaker rated 250 A continuous at 40 °C, with a maximum interrupting capacity of 187 kA at 240 V AC. That 187 kA figure means it can safely clear a fault up to that level without upstream cascading — critical for high-fault panels near transformers or large motor banks. At 415 V it still holds 121 kA, and at 690 V it drops to 4.5 kA, so the voltage class of your distribution determines where this breaker lands. Rated current holds flat at 250 A from 40 °C through 50 °C, then derates to 200 A at 70 °C. That thermal curve means you size the breaker for the ambient inside the enclosure, not the room temperature — a panel running at 55 °C knocks the rating to 238 A.
Fit and integration
Dimensions are 105 mm wide, 181 mm tall, 86 mm deep — a standard SENTRON 3VA footprint that drops into the same DIN-rail or screw-mount panel cutout as other 3VA2 frame breakers. The depth of 86 mm leaves room for rear busbar connections in a typical 200 mm deep enclosure. The auxiliary switch configuration is 2 auxiliary switches plus 1 trip alarm switch (HQ designation), and it includes a shunt trip (STL) for remote tripping. Communication function is built in — no separate module needed for basic signaling back to a PLC or BMS.
Lifecycle and sourcing
The lifecycle stage is listed as current, meaning this is an active catalog item in the SENTRON line. Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time.