Its interrupting capacity hits 220 kA at 240 V AC, dropping to 154 kA at 415 V and 121 kA at 440 V — still substantial for most distribution panels. This MCCB is designed for line protection — primary feeder or large subfeed duty — not motor branch-circuit protection. The TM240 release gives a fixed thermal curve and magnetic trip, so coordination studies need the published time-current curve for selectivity with downstream breakers. The 70 mm depth and 101.6 mm width fit standard Siemens SENTRON panel footprints. Front IP40 protection handles dry enclosure environments; no washdown rating.
At 60 °C it derates to 19 A, holding that level through 70 °C. Maximum power loss is 12 W at rated load.