Integrator note — 3VA2163-7MN32-0JA0
The motor protection designation and phase failure detection mean it tracks the thermal load of a motor start cycle, not just a resistive heater curve.
The 3VA2163-7MN32-0JA0 carries a 330 kA breaking capacity at 240 V, 242 kA at 415 V and 440 V, 187 kA at 500 V, and 52.5 kA at 690 V. Those numbers are the ultimate short-circuit breaking capacity (Icu) — the maximum fault the breaker can clear once and still be functional afterward.
At 55 °C it derates to 60.48 A, at 60 °C to 59.22 A, at 65 °C to 57.96 A, and at 70 °C to 56.7 A. The maximum power loss is 75 W — that is the heat the breaker dumps into the enclosure at full rated current, so a panel with multiple breakers side by side needs ventilation or a larger cabinet to stay below 55 °C. The 105 mm width is a 3-pole frame; it occupies the same footprint as other SENTRON 3VA2 breakers, so a panel laid out for a 63 A 3VA2 will accept this unit without re-drilling the mounting plate.