Rated at 25 A continuous (Iu) across the 40 °C to 50 °C band, it derates to 23 A at 70 °C. The interrupting capacity hits 53 kA at 240 V AC and 7.5 kA at 415 V AC — that 53 kA figure means it can clear a high-fault bolted short on a 240 V line without the arc flashing upstream to the main breaker. That's the spec that decides whether this breaker holds coordination in a panel with a 65 kA-rated main.
At 25.4 mm wide (1 inch) and 70 mm deep, it takes one pole position in a panel — that's another SKU that fits the same bin footprint as other 1-pole SENTRON MCCBs. The TM210 release is fixed thermal (25 A) with a magnetic short-circuit pickup adjustable from 320 A (li min) to 320 A (li max) — essentially a fixed magnetic threshold at 320 A, so don't expect to dial the instantaneous trip down for a sensitive load.
At 415 V the interrupting capacity drops to 7.5 kA, which is typical for a 1-pole MCCB at line-to-line voltage; verify your point-of-fault current doesn't exceed that. The 25 A continuous rating holds steady up to 50 °C, then derates linearly to 23 A at 70 °C — so in a hot panel near the top of a cabinet, you lose 2 A of headroom. The TM210 release means thermal overload protection is fixed at 25 A; no field adjustment on the thermal element. The magnetic trip is set at 320 A (li), which is about 12.8x In — that's a high instantaneous pickup, typical for motor-starting or transformer inrush where you don't want nuisance trips on the magnetizing current.