What the ratings mean for a panel build
The 3VA1463-6EF32-0DF0 is a SENTRON molded case circuit breaker (MCCB) for line protection, carrying a continuous current rating of 630 A at 40 °C — that's the full-load ampacity you size your feeder conductors and upstream switchgear to. The 220 kA interrupting rating at 240 V AC tells you it can clear a bolted fault at that level without self-destructing, which is the number the coordination study cares about. At 690 V the same breaker still holds 17 kA, so it's not a one-voltage pony; you get usable SCCR across the common industrial voltages. The 3-pole body is fitted with an undervoltage release (UVR) and a 1 auxiliary switch plus 1 trip alarm switch, so it reports its state back to the PLC without an add-on module.
Thermal derating — the curve matters
This breaker holds its full 630 A rating from 40 °C up through 50 °C. At 55 °C it derates to 618 A, at 60 °C to 607 A, at 65 °C to 595 A, and at 70 °C to 583 A. If your panel internal ambient runs hot — say a sealed enclosure next to a furnace line — you need to apply that curve. The maximum operating temperature is 70 °C; storage range is -40 °C to 80 °C. Power loss at full load is 195.4 W, which adds to the enclosure heat budget.
Panel fit — dimensions and integration
The breaker measures 248 mm high, 138 mm wide, and 110 mm deep. That 138 mm width on a 3-pole MCCB is a standard footprint for panel bus-bar layouts and enclosure cutouts. Rated insulation voltage is 800 V, so it's comfortable in 480 V and 600 V class systems with margin. No communication function on this variant — it's a straight line-protection device with hard-wired status contacts.