At 415 V and 440 V it still holds 121 kA, dropping to 75.6 kA at 500 V and 3 kA at 690 V, so the voltage class of your distribution panel directly governs which breaking capacity applies.
That 105 mm width on a 3-pole 100 A frame means it occupies roughly four 27 mm DIN positions — useful when laying out a multi-breaker sub-feed panel or retrofitting into an existing SENTRON switchboard. Maximum power loss is 13.5 W, so ventilation in a sealed enclosure should account for that thermal load at rated current.
Ground-fault and communication capability
Communication function is present, supporting integration into a higher-level monitoring or energy management system. Designed for line protection duty, not motor or feeder protection.