It's a 3-pole unit rated for 100 A continuous current across the entire operating temperature range from 40 °C to 70 °C, so no derating curve to chase when the panel runs hot. Interrupting capacity is the headline here: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 3.7 kA at 690 V. That 187 kA at 240 V means it can safely clear a fault on a high-capacity transformer secondary without the arc carrying over to the bus — a spec that matters when you're feeding a panel off a 300 kVA+ transformer in a commercial or light industrial service entrance.
Dimensions are 181 mm high, 105 mm wide, 86 mm deep — that 105 mm width is the standard 3-pole MCCB footprint for this class, so it drops into a SENTRON panelboard or a DIN-rail adapter without forcing a layout re-spin. The 86 mm depth leaves room for rear-connected bus bars in a shallow enclosure. The auxiliary switch configuration is 2 auxiliary switches + 1 trip alarm switch + 1 electrical alarm switch HQ, giving you four separate signal paths for status feedback to a PLC or annunciator panel.