That thermal curve matters if you're packing this into a high-fill-factor enclosure where internal temps climb. Three-pole construction covers three-phase systems.
Breaking capacity — the real selectivity number
At 240 V it's rated 121 kA; at 415 V it's 75.6 kA; at 440 V it's 52.5 kA; at 500 V and 690 V it holds at 11.9 kA.
Auxiliary components and releases
The two HQ auxiliary switches provide status feedback (open/closed/tripped) to a PLC or indicator lamp. The UVR is factory-fitted, not a field-add kit, so confirm your control voltage matches the release rating before panel wiring.
That's a standard 3-pole SENTRON 3VA footprint — it occupies the same mounting pattern as other 3VA1 frame breakers.
