The Siemens 3VA2110-5MN32-0JL0 is a 3-pole SENTRON molded case circuit breaker (MCCB) rated for motor protection, with a continuous current rating of 100 A and an interrupting capacity of 187 kA at 240 V — enough to handle high-fault utility feeds or large transformer secondaries without cascading upstream. A shunt trip (STL) is built in for remote emergency-off or PLC-driven drop-out.
Selectivity and coordination — the numbers that matter
The interrupting ratings step down cleanly with voltage: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 17 kA at 690 V. Thermal derating is minimal up to 50 °C (still 100 A), then drops to 96 A at 55 °C, 94 A at 60 °C, 92 A at 65 °C, and 90 A at 70 °C.
The breaker accepts plug-in or fixed connections; the shunt trip and auxiliary switches are factory-integrated, so no field wiring of separate accessories.