Its TM240 thermal-magnetic overcurrent release handles the overload and short-circuit trip curves, while the integrated undervoltage release (UVR) drops the breaker if control voltage falls — standard for emergency-stop or undervoltage protection schemes in distribution panels.
This MCCB delivers 75.6 kA at 240 V, 52.5 kA at 415 V, and 32 kA at 440 V — the interrupting rating drops as voltage climbs, which is typical for a compact-frame MCCB.
Thermal derating — don't size it at the 40 °C number alone
Rated 100 A at 40 °C, but at 55 °C it's 98 A, at 65 °C it's 94 A, and at 70 °C it's 91 A. The maximum power loss of 27.5 W is the heat it dumps into the enclosure; factor that into your thermal budget.
At 76.2 mm wide, 130 mm tall, and 70 mm deep, this breaker fits the standard SENTRON 3VA compact-frame footprint.