Siemens 3VA1150-6ED32-0AA0 — SENTRON MCCB, 50 A, 220 kA IC
Breaking capacity is the headline number here: 220 kA at 240 V, 154 kA at 415 V, 121 kA at 440 V, and 17 kA at 500 V or 690 V.
The 3VA1150-6ED32-0AA0 measures 70 mm deep, 76.2 mm wide, and 130 mm tall. That 76.2 mm width (3 inches) is standard for a 3-pole MCCB in this frame size — it occupies three 25 mm DIN positions if mounted on a DIN rail, or a fixed panel-mount footprint.
