It carries a 187 kA interrupting rating at 240 V AC, stepping down to 121 kA at 415 V and 7.5 kA at 690 V — the high short-circuit capacity at lower voltages makes it a fit for main or feeder breakers in high-fault installations like industrial substations or large motor control centers. The base switch is the 3VA2340-5HN32-0AA0, meaning the -0KC0 variant adds the shunt trip and auxiliary contacts as a pre-configured option.
Above that, the continuous current must be reduced: 385 A at 55 °C, 370 A at 60 °C, 355 A at 65 °C, and 340 A at 70 °C. Maximum power loss is 96 W at rated current, which contributes to the enclosure's thermal budget.
The 110 mm depth is the dimension to check against gland-plate clearance or shallow backboxes.