The 70 mm depth and 76.2 mm width fit standard Siemens SENTRON 3VA mounting footprints; no adapter plate needed for existing 3VA panel cutouts.
Interrupting ratings drop as line voltage rises: 75.6 kA at 240 V, 52.5 kA at 415 V, 32 kA at 440 V, and 11.9 kA at both 500 V and 690 V. The breaker holds 50 A continuously from 40 °C through 50 °C, then derates to 49 A at 55 °C, 48 A at 60 °C, 46 A at 65 °C, and 45 A at 70 °C. In a warm enclosure, expect to lose about 1 A per 5 °C above 50 °C.
Trip indicator is not fitted, so visual status requires an auxiliary contact add-on.
Panel Integration and Sourcing
The 70 mm depth leaves clearance for rear-connected busbars; the 76.2 mm width (3 inches) matches standard 3-pole MCCB spacing. Wire termination accepts copper or aluminum conductors per the device manual — torque values are specified on the nameplate. For DC network applications, refer to the 3VA molded case circuit breaker device manual for switching power values.