Siemens SENTRON 3VA2110-5HN32-0HH0 — 100 A MCCB with ETU350 Release
It carries a 187 kA interrupting capacity at 240 V, dropping to 121 kA at 415/440 V, then to 79 kA at 500 V, and 4.25 kA at 690 V — giving you clear SCCR headroom for most industrial distribution panels without needing a current-limiting upstream device.
Above 55 °C the breaker derates linearly: 96.25 A at 55 °C, 92.5 A at 60 °C, 88.75 A at 65 °C, and 85 A at 70 °C.
Both are serviceable spares if you need to replace just the trip unit or switch mechanism without swapping the whole breaker.
For a 100 A line-protection MCCB with an ETU350, typical selectivity with downstream 20–63 A MCBs holds through most bolted-fault scenarios up to the 50 kA range at 415 V — the electronic trip's i²t-on delay lets downstream devices clear first. For a communicating breaker with power metering, look at the 3VA2 with COM module.