The Siemens 3VA2116-5HN32-0KF0 is a 3-pole IEC molded-case circuit breaker in the 3VA2 frame, rated 160 A continuous with an interrupting capacity of 55 kA at 415 V AC (breaking capacity class M). The ETU350 electronic trip unit provides LSI protection — long-time (Ir adjustable 63–160 A), short-time (Isd 1.5–10 × Ir), and instantaneous (Ii fixed at 10 × In) — giving selective coordination headroom for downstream feeders in a distribution panel.
Mounts on a standard DIN rail or panel-mount via the nut keeper kit supplied. The shunt trip (STL) operates on 220–250 V DC or 208–277 V AC, letting you integrate remote tripping from a safety relay or emergency-stop circuit without a separate interposing relay. One auxiliary switch (HQ) and one trip alarm switch (HQ) are built in — enough to signal breaker status and fault condition back to a PLC input card.