What it is and what it does
The Siemens SENTRON 3VA1116-5ED32-0HC0 is a 3-pole molded case circuit breaker (MCCB) designed for line protection in distribution panels. It carries a rated current of 160 A across an ambient temperature range of 40 °C to 50 °C, derating to 150 A at 70 °C — so the thermal trip curve is calibrated for real panel conditions, not just a single number.
Breaking capacity — selectivity headroom
Breaking capacity is 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, and 17 kA at both 500 V and 690 V. That 187 kA figure at 240 V gives you serious fault-current headroom for downstream selectivity — this MCCB can sit upstream of a sub-feed with a high available fault current and still coordinate with smaller branch breakers.
Integration and auxiliary options
Dimensions are 70 mm deep by 76.2 mm wide by 130 mm high — a standard 3-pole MCCB footprint that fits common DIN-rail or panel-mount arrangements. It ships with two auxiliary switches (HQ type) and a shunt trip (STL) release built in, so you don't need to add separate accessories for remote tripping or status feedback. Rated insulation voltage is 800 V.