The Siemens SENTRON 3VA2010-5HL32-0AE0 is a 3-pole molded case circuit breaker (MCCB) rated for line protection, carrying a continuous current of 100 A across the entire ambient range from 40 °C to 70 °C — no derating needed up to that full thermal window. That means it holds its 100 A rating in a warm panel or a hot enclosure without losing headroom. Its interrupting capacity hits 187 kA at 240 V, drops to 121 kA at 415 V and 440 V, then 75.6 kA at 500 V, and 3 kA at 690 V. The overcurrent release is an ETU320 — an electronic trip unit with fixed time-current curves, no communication module, and no voltage or undervoltage release fitted. It ships with four HQ auxiliary switches mounted, so you get status feedback without adding a separate accessory block.
Maximum power loss is 13.5 W. In a sealed enclosure that adds to the internal heat rise; with the 100 A continuous rating already held at 70 °C ambient, the breaker itself won't thermally trip from self-heating, but the panel designer still needs to vent that 13.5 W per pole.
The basic switch version 3VA2010-5HL32-0AA0 is the core mechanism without the auxiliary switches; this -0AE0 suffix adds the four HQ aux contacts. If you need the same trip curve but fewer aux contacts, that base variant is the direct sibling.