The interrupting capacity tells the real story: 187 kA at 240 V, 121 kA at 415 V and 440 V, 79 kA at 500 V, and 5.1 kA at 690 V.
Thermal derating — don't ignore the ambient curve
At 55 °C it derates to 241 A, at 60 °C to 232 A, at 65 °C to 222 A, and at 70 °C to 213 A. Maximum power loss is 48 W, which adds to the enclosure heat budget.
Auxiliary wiring and trip accessories
The integrated auxiliary trip module is order code 3VA9688-0BL33; the basic switch without accessories is 3VA2225-5HN32-0AA0.
