What it is and what it does
The Siemens 3VA2110-6HN36-0KL0 is a SENTRON molded case circuit breaker (MCCB) rated for 100 A continuous current on a 1200 A frame, configured as a 3-pole device for line protection. Its interrupting capacity reaches 242 kA at 240 V AC, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 3.7 kA at 690 V — figures that tell you it can clear high-fault currents without cascading upstream, which matters for selectivity studies in industrial switchboards. The 100 A rating holds flat across the full ambient temperature range from 40 °C to 70 °C, so no derating curve to chase in a warm enclosure. Power loss is a modest 10 W maximum, which keeps internal heat rise manageable in a dense panel.
Auxiliaries and integration
This MCCB ships with a shunt trip (STL) for remote opening and a complement of auxiliary switches: two auxiliary switches, one trip alarm switch, and one electrical alarm switch (HQ designation). That gives you both status feedback and alarm annunciation without adding external relay logic. A mechanical trip indicator and a voltage trigger are built in; there is no undervoltage release, no ground-fault monitoring, and no communication module — it is a straight line-protection breaker, not a power-metering device. Dimensions are 181 mm high, 105 mm wide, and 86 mm deep — a standard 3-pole MCCB footprint that fits Siemens SENTRON mounting bases and most DIN-rail adapter plates. Operating temperature range is -25 °C to 70 °C; storage range is -40 °C to 80 °C.