It carries a breaking capacity of 121 kA at 240 V, 75.6 kA at 415 V, and 52.5 kA at 440 V — figures that govern its fault-interruption capability in distribution panels and motor control centers. The 100 A rating holds flat from 40 °C through 50 °C, then derates to 96 A at 55 °C, 94 A at 60 °C, 92 A at 65 °C, and 90 A at 70 °C, so the panel ambient temperature directly sets the usable continuous current.
At 70 °C the breaker is good for 90 A, so a panel pulling a full 100 A must stay below 50 °C or the breaker will nuisance-trip on thermal overload.
The breaker measures 70 mm deep by 76.2 mm wide by 130 mm high — a standard 3-pole MCCB footprint that fits most DIN-rail or panel-mount enclosures without re-drilling. The shunt trip release (3VA9688-0BL32) is integrated; no auxiliary contact block is present, so any status feedback to a PLC requires an external auxiliary switch added to the breaker.