Its continuous current rating holds at 63 A from 40 °C through 50 °C ambient, then derates to 58 A at 70 °C — a thermal curve you can rely on for panel sizing without headroom guesswork. The breaking capacity is the headline figure for fault coordination: 121 kA at 240 V, 75.6 kA at 415 V, and still 11.9 kA at 690 V.
Built-in auxiliaries and release — what's on board
The UVR ensures the breaker trips on loss of control voltage — standard for emergency-stop chains or undervoltage protection schemes where you need the load disconnected when the control supply drops. A trip indicator is present, giving a local mechanical flag that the breaker has opened on fault rather than manually. The breaker does not include a communication module or ground-fault monitoring — it's a straight line-protection device with the auxiliaries you'd expect for remote status and undervoltage control.
Dimensions are 130 mm height, 76.2 mm width, 70 mm depth — a standard SENTRON 3VA frame size that fits the usual DIN-rail or mounting-plate footprint in distribution boards.