Interrupting capacity is the headline number here: 242 kA at 240 V, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 7.5 kA at 690 V. Ground-fault monitoring is built in as summation current formation on L + N, which catches leakage without a separate GFCI module.
Dimensions are 248 mm high, 184 mm wide, 110 mm deep — a standard 4-pole MCCB footprint for a 250 A frame. The 110 mm depth is the critical dimension when the breaker mounts in a deep enclosure with a rear-mounted bus; check that the back-of-panel clearance leaves room for the arc-chamber exhaust and cable bending radius. In a multi-breaker lineup, that heat adds up — factor it into the enclosure ventilation calculation, especially if the panel is sealed. Communication function is present on this variant, so it can report status and trip events to a higher-level control system. No protocol details in the spec table, but the presence of the comms option means it fits into a monitored distribution scheme rather than a dumb breaker.