The Siemens SENTRON 3VA2010-5HM42-0AA0 is a 4-pole molded case circuit breaker rated for 100 A continuous current across the full ambient range from 40 °C to 70 °C — no derating required up to that ceiling. The interrupting ratings are what drive the panel coordination: 187 kA at 240 V AC, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 3 kA at 690 V. These are the SCCR values the breaker can safely clear under fault without upstream cascading, so the 240 V and 415 V figures are the ones that govern for most North American and European distribution panels. The ETU330 electronic trip unit provides adjustable long-time, short-time, instantaneous, and ground-fault protection; the N-conductor protection is field-configurable to OFF, 50%, or 100% of the phase rating.
The 4-pole footprint matches standard Siemens 3VA panel mounting; the 140 mm width is the same as the 3-pole variant's width plus one additional pole module. Ground-fault monitoring is implemented via summation current formation on the L + N conductors — a single core-balance CT approach that does not require a separate GFCI module.