The Siemens 3VM1116-3ED16-0AA2 is a 1-pole circuit breaker in the 3VM1 IEC frame 160 series, rated for line protection with a TM210 thermal-magnetic trip unit. It carries a breaking capacity of 25 kA at 240 V (class N), an overload protection setting Ir = 160 A (fixed, not adjustable), and a short-circuit protection threshold Ii = 10 × In. The fixed Ir means this breaker is sized for a specific 160 A load — if your panel needs adjustability, you'd look at the 3VM1 frame's adjustable-trip variants.
The 3VM1 series mounts on a DIN rail in a standard panel enclosure. The 160 A frame and 25 kA interrupting rating at 240 V suit it for branch-circuit protection in industrial control panels, distribution boards, or as a main disconnect for a sub-panel. The fixed Ir and fixed Ii mean coordination studies need to account for the non-adjustable settings — selectivity with downstream breakers is straightforward once you verify the 10× In magnetic trip doesn't overlap with feeder breaker curves.