The Siemens SENTRON 3VA2325-5HN32-0AC0 is a 3-pole molded case circuit breaker (MCCB) rated for 250 A continuous current with no derating across the full ambient range from 40 °C to 70 °C — a flat thermal curve that simplifies panel design in hot enclosures. Interrupting capacity reaches 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 7.5 kA at 690 V, covering high-fault service-entrance and distribution applications. Two auxiliary switches HQ are built in.
Integration dimensions
The breaker measures 110 mm deep, 138 mm wide, and 248 mm high. Maximum power loss is 37.5 W, which should be factored into enclosure thermal calculations.
