What this MCCB rating means for the panel
The Siemens SENTRON 3VA2463-5HN32-0AE0 is a 3-pole molded case circuit breaker rated for 630 A continuous at 40 °C, with a maximum interrupting capacity of 187 kA at 240 V AC. The continuous rating derates with ambient temperature: 630 A at 40 °C drops to 520 A at 70 °C.
Interrupting capacity across voltage bands
The breaker's SCCR drops as line voltage rises: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 9 kA at 690 V.
Physical fit and auxiliary configuration
Ships with 4 HQ auxiliary switches (form C) pre-installed; no undervoltage release or ground-fault module fitted.
