The Siemens SENTRON 3VA2110-5HN32-0CC0 is a 3-pole molded case circuit breaker rated for 100 A continuous current across the full 40 °C to 70 °C ambient range — no derating needed up to 70 °C, which matters when this breaker sits in a warm panel near transformers or drives. Breaking capacity hits 187 kA at 240 V and 121 kA at 415 V and 440 V, so it handles high-fault-current service entrances or distribution points without cascading upstream.
Breaking capacity across voltage levels
The interrupting rating drops with system voltage: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 3.7 kA at 690 V. For a 480 V distribution panel the relevant figure is 121 kA — plenty of SCCR headroom for most industrial services.
Panel fit — dimensions and auxiliaries
The built-in undervoltage release (UVR) and two HQ auxiliary switches reduce external wiring and panel clutter — the UVR drops the breaker if control voltage is lost, and the aux contacts report position back to the control system.