MCCB with 100 A continuous rating and 187 kA interrupting capacity
The Siemens SENTRON 3VA1110-5ED32-0CA0 is a 3-pole molded case circuit breaker (MCCB) rated for 100 A continuous current at 40 °C ambient, with a maximum breaking capacity of 187 kA at 240 V AC. The UVR is the auxiliary release type, not a shunt trip; it holds the breaker closed only while coil voltage is present. The overcurrent release is a TM210 thermal-magnetic type, meaning it uses a bimetal element for overload protection and a solenoid for short-circuit response. No electronic trip unit here — simpler, more rugged for fixed-load applications like distribution panels or feeder circuits.
Breaking capacity across voltages — selectivity planning
The interrupting rating drops as system voltage rises: 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. At 690 V the 17 kA limit means this breaker is not suited for high-fault 690 V motor drives without upstream current-limiting fuses or a higher-rated MCCB. The 3VA1110-5ED32-0AA0 (without UVR) shares the same frame and trip unit — it drops into the same panel footprint and wiring, just lacks the undervoltage release. If your BOM was built around the -0AA0 and you need UVR, this -0CA0 is a direct form-fit-function swap.
Active lifecycle — no obsolescence concern
For a multi-breaker panel, sum these losses to size ventilation or derating.
The breaker measures 130 mm high, 76.2 mm wide, and 70 mm deep — a standard 3-pole MCCB footprint for the SENTRON 3VA frame. The trip indicator is absent, so you won't get a visual flag on the front face; you'll need to check the handle position or use auxiliary contacts (not included here).
