Siemens SENTRON 3VA1225-6EF32-0AJ0 — 250 A MCCB, Line Protection, TM240 Release
The interrupting ratings span the voltage range: 220 kA at 240 V, 154 kA at 415 V, 75.6 kA at 440 V, 30 kA at 500 V, and 17 kA at 690 V.
Thermal Derating and Physical Fit
The 250 A rating holds flat from 40 °C through 50 °C, then derates to 243 A at 55 °C, 237 A at 60 °C, 230 A at 65 °C, and 223 A at 70 °C. Dimensions are 70 mm depth, 105 mm width, 158 mm height.
Auxiliary Switching and Indication
The trip alarm provides a separate signal path that closes only on a fault trip — useful for remote annunciation or PLC input that distinguishes a manual open from an overcurrent event. A mechanical trip indicator is also present on the front face. The supplied basic switch assembly carries order code 3VA12256EF320AA0.