It's a 3-pole unit rated at 63 A continuous at 40 °C, using a TM210 thermal-magnetic trip unit — that's the fixed thermal and magnetic release with a 10x Ii magnetic pickup, so it handles moderate inrush without nuisance tripping on motor starts or transformer energization. The interrupting capacity is what really sets this frame apart: 187 kA at 240 V, 121 kA at 415 V, and still 75.6 kA at 440 V.
At 55 °C it drops to 62 A, at 60 °C to 61 A, and at 70 °C to 58 A. Power loss is listed at 17.3 W maximum — that's per-device heat to account for in your thermal budget.
Dimensions are 130 mm high, 76.2 mm wide, 70 mm deep — a standard 3-pole MCCB footprint that drops into most switchboard or panelboard mounting bases. The TM210 trip unit is fixed — no interchangeable rating plugs, so what you order is what you get. If you need those, you're looking at a different suffix in the 3VA1 family.