MCCB with 100 A continuous rating and 242 kA interrupting capacity
The Siemens SENTRON 3VA2110-6HN36-0HA0 is a 3-pole molded case circuit breaker (MCCB) rated for 100 A continuous current at 40 °C, with a maximum interrupting capacity of 242 kA at 240 V. The interrupting rating drops to 187 kA at 415 V and 440 V, 121 kA at 500 V, and 5 kA at 690 V — the 690 V figure is the low end of the curve, so confirm the available fault current at your system voltage.
The 100 A rating holds flat from 40 °C through 50 °C; above that it derates linearly to 85 A at 70 °C. Maximum power loss is 10 W.