Its breaking capacity reaches 242 kA at 240 V, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 4 kA at 690 V — these are the fault-current levels it can safely interrupt without upstream cascading.
Above that it derates linearly: 96.25 A at 55 °C, 92.5 A at 60 °C, 88.75 A at 65 °C, and 85 A at 70 °C. If your panel internal ambient runs hot — common in sealed enclosures or near busbars — the actual continuous current you can pull is the derated figure, not the nameplate.
Trip unit and auxiliary contacts
The ETU320 electronic trip unit handles the overcurrent protection curves. No undervoltage release, no shunt trip, no ground-fault monitoring — this is a straight line-protection build.
Mounting and environment
Maximum power dissipation is 13.5 W — factor that into your enclosure thermal budget.