What the ratings mean for fit
The Siemens SENTRON 3VA2163-7JQ42-0AA0 is a 4-pole molded case circuit breaker (MCCB) rated for 63 A continuous current across the full ambient range from 40 °C to 70 °C — no derating needed up to that ceiling. Its breaking capacity hits 330 kA at 240 V, dropping to 242 kA at 415 V and 440 V, then 187 kA at 500 V, and 3.7 kA at 690 V. That 330 kA at 240 V means it can safely interrupt very high fault currents typical of large transformer-fed panels or industrial switchboards, not just branch circuits. The 800 V rated insulation voltage confirms it's built for 690 V line-to-line systems with margin.
Integration and deployment context
The 3VA2163-7JQ42-0AA0 mounts in a standard panel enclosure — its 140 mm width and 86 mm depth fit the typical MCCB footprint for 4-pole units. The communication function allows integration into a monitoring or control network, useful for remote trip indication or load management in automated lines.
