The Siemens SENTRON 3VA1110-3EF32-0JH0 is a 3-pole molded case circuit breaker (MCCB) rated for 100 A continuous current at 40 °C, with a TM240 thermal-magnetic overcurrent release. It's built for line protection duty — think feeder circuits, distribution panels, and main switchboard positions where you need a solid interrupting rating and a compact footprint. Breaking capacity runs 75.6 kA at 240 V, 52.5 kA at 415 V, 32 kA at 440 V, and 10.5 kA at 690 V, so it handles high-fault scenarios without cascading upstream.
That thermal curve matters when you're stacking breakers in a crowded panel; you can push ambient up to 50 °C without losing headroom. That gives you remote tripping capability and status feedback without adding a separate module.