Its 16 A continuous rating holds flat from 40 °C through 50 °C; above that it derates smoothly to 14.4 A at 70 °C, so if the panel runs hot near the top of the enclosure you lose about 1.6 A of headroom, not the whole rating. The interrupting capacity is the headline number here: 187 kA at 240 V, 121 kA at 415 V, tapering to 17 kA at 690 V. The TM240 thermal-magnetic trip unit handles overloads and short-circuits with a fixed thermal curve and magnetic pickup, no electronic adjustment.
The 2 auxiliary switches (HQ type) are built in, giving you two independent status signals for the PLC or annunciator without adding an external block. The undervoltage release (UVR) is also integrated — if the control voltage drops, the breaker trips; useful for emergency-stop chains or undervoltage protection on a motor feeder.