The Siemens SENTRON 3VA2110-5HL32-0AH0 is a 3-pole molded case circuit breaker rated for 100 A continuous current (Iu) with an ETU320 electronic trip unit, configured for line protection. Its interrupting capacity hits 187 kA at 240 V and 121 kA at 415 V, which means it can clear high-fault currents without cascading upstream — a key spec for main or feeder breakers in industrial switchboards where SCCR headroom matters. The ETU320 trip unit provides adjustable thermal-magnetic or electronic protection curves (L, S, I, G depending on configuration), though this variant ships without ground-fault monitoring or communication functions. The 100 A rating holds flat from 40 °C to 50 °C, then derates linearly to 85 A at 70 °C — useful to know when the breaker sits in a warm enclosure near other heat sources.
Dimensions are 105 mm wide, 181 mm high, and 86 mm deep — a standard 3-pole MCCB footprint that fits most Siemens SENTRON mounting bases and busbar systems.