The Siemens SENTRON 3VA2220-5MN32-0BL0 is a 3-pole molded case circuit breaker (MCCB) rated for a continuous current of 200 A across its full ambient temperature range from 40 °C to 70 °C — no derating needed up to the enclosure's thermal limit, which simplifies panel layout when the breaker sits near other heat sources. Interrupting capacity is the number that decides whether this breaker clears a fault or welds shut: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 5.2 kA at 690 V. Designed for motor protection — meaning the trip curve is shaped to handle motor inrush without nuisance tripping, and it includes phase failure detection so a single-phased motor draws current on the remaining legs until the breaker opens. The undervoltage release (UVR) lets a safety PLC or E-stop chain drop the breaker when control voltage is lost, which is standard for guarded machine cells.
Maximum power loss is 46 W at rated current. In a sealed, non-ventilated enclosure that heat must be factored into the thermal budget; a 200 A breaker pulling 46 W is typical for this frame size, but grouping several breakers in a small cabinet may require forced air or a larger enclosure.