The Siemens SENTRON 3VA2110-0HN36-0AA0 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 that ceiling. The ETU350 electronic trip unit gives adjustable long-time, short-time, and instantaneous protection — not a fixed thermal-magnetic curve, which matters when coordinating with downstream feeders or motor starters.
Three-pole construction with no undervoltage release or shunt trip fitted as-delivered; those are add-on accessories if the coordination study calls for them. No communication module onboard, so it's a standalone line-protection breaker, not a metering or remote-trip device.
For a 480 V panel (common in North America), the 690 V rating of 187 kA applies; at 400 V (IEC common) the 415 V figure governs. The ETU350 trip unit allows selective coordination with downstream devices: set the short-time delay to ride through motor inrush or transformer energization without nuisance tripping.