The Siemens 3VA1110-6EF36-0CA0 is a 3-pole IEC frame 160 circuit breaker rated 100 A continuous, with a class H interrupting capacity of 70 kA at 415 V AC. That 70 kA figure means it can safely clear a fault up to that level without upstream fuses needing to act — useful when you're coordinating a panel and want to keep selectivity short. The TM240 thermal-magnetic trip unit gives adjustable overload protection from 70 A to 100 A (Ir) and short-circuit pickup (Ii) at 5 to 10 times In, so you can dial it in for motor or distribution duty without swapping the breaker.
What the ratings mean in the panel
The 70 kA Icu at 415 V is the maximum short-circuit current the breaker can interrupt once and still be usable (Ics is typically 50–75% of Icu on this class, so plan for replacement after a high-energy fault). The undervoltage release (UVR) operates on 120–127 V AC, 50/60 Hz — it trips the breaker when control voltage drops, which is standard for emergency-stop or undervoltage protection schemes. Clamp connection terminals accept copper conductors without lug crimping, which speeds up panel wiring.