SENTRON 3VA2 MCCB — 250 A, 3-pole, ETU550
The Siemens SENTRON 3VA2225-7JP32-0CA0 is a 3-pole molded case circuit breaker rated 250 A continuous at 40 °C, carrying a 330 kA interrupting capacity at 240 V and 242 kA at 415 V.
Line protection variant with undervoltage release and comms
This order code is the line protection version (product version field confirms it), meaning the trip unit is configured for feeder or main breaker duty — not motor protection. It ships with an undervoltage release and a communication function, so it can be integrated into a higher-level monitoring system over the SENTRON bus or PROFIBUS/PROFINET via the communication module. Power loss at full rated current is 50.5 W — a factor for panel thermal budgeting when several breakers are ganged in a switchboard.
Physical fit and ambient derating
It mounts on a mounting plate or DIN rail via an adapter; the 105 mm width occupies 4.13 inches of panel space. Ambient temperature derating starts at 55 °C: still carries 238 A at 55 °C, 225 A at 60 °C, 213 A at 65 °C, and 200 A at 70 °C.