The SENTRON 3VA2063-5HN32-0CC0 is a 3-pole molded case circuit breaker rated for 63 A continuous current across the full ambient range from 40 °C to 70 °C — no derating needed up to that ceiling. Interrupting capacity hits 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 3 kA at 690 V.
The 63 A frame is line-protection rated, not motor-protection — the design is for feeder and distribution circuits, not overload curves tuned to induction-motor starts.
Power loss is 7.9 W maximum, so heat dissipation in a sealed enclosure is manageable; no forced cooling required for a single unit. The 2 HQ auxiliary switches give status feedback for PLC or SCADA inputs.
