The Siemens 3VA1116-6ED42-0AA0-ZD00 is a 4-pole IEC frame 160 circuit breaker with a 70 kA Icu at 415 V — that's the breaking capacity class H rating, meaning it safely clears faults up to 70 kA without failing catastrophically, which is the figure you need for selectivity studies in a 415 V distribution panel. The TM210 trip unit gives fixed thermal-magnetic protection: overload Ir is fixed at 160 A (the breaker's full frame rating), and short-circuit pickup Ii is fixed at 10 x In, or 1600 A. That's a relatively high magnetic pickup — suitable for feeder circuits feeding motor loads or transformers where inrush won't nuisance-trip, but check coordination with downstream devices that may have lower let-through. The description flags it as a DC Power OEM variant for China — the nut keeper kit is a mechanical accessory to prevent terminal loosening under vibration, common in OEM builds.
Integration notes
Mounts on DIN rail in a standard distribution panel. The 4-pole form factor occupies four modular units — verify panel fill factor and thermal derating if the breaker is enclosed in a non-ventilated cabinet. The nut keeper kit is pre-installed; no additional hardware needed for the line and load terminals. The TM210 trip unit is non-interchangeable — what you see is what you get on Ir and Ii settings.