It carries a continuous current of 63 A across the full ambient range from 40 °C to 70 °C — no derating needed up to that ceiling, which simplifies panel layout in warm enclosures. Interrupting capacity is 187 kA at 240 VAC, dropping to 121 kA at 415/440 V, 75.6 kA at 500 V, and 3.7 kA at 690 V. Three-pole construction with a trip indicator on the front.
Footprint is 105 mm wide by 181 mm tall by 86 mm deep. That 105 mm width is three-pole standard for the 3VA frame — it occupies three 35 mm DIN spaces (or the equivalent bolted-foot mount).
Storage temperature range is -40 °C to 80 °C; operating range is -25 °C to 70 °C. Maximum power loss is 4 W. The part carries the SENTRON brand designation and is designed for line protection per IEC/UL standards typical of the 3VA series.