The ABB 2CDS272001R0165 is a 2-pole miniature circuit breaker with a B tripping curve, rated 16 A continuous current and 440 V insulation voltage. Its rated short-circuit breaking capacity Icn is 10 kA — the standard test for MCBs per IEC 60898 — and the ultimate breaking capacity Icu is 25 kA, meaning it can safely clear a fault once at that higher level. For a 16 A branch circuit in a commercial or light industrial panel, 10 kA Icn covers typical available fault current at the sub-distribution level. The IP20/IP40 rating means it's protected against solid objects over 12 mm (finger-safe) on the front, and 1 mm on the terminals; mount it inside an enclosure that handles the environment.
The 2-pole body is 35 mm wide, 88 mm tall, and 69 mm deep — a compact footprint that leaves room for adjacent breakers or accessories in a crowded panel. Terminal torque spec is 2.8 Nm max for screw-type connections; the bi-directional cylinder-lift terminal accepts a range of conductor sizes without needing to re-terminate for direction of feed.