630 A MCCB for high-fault panel feeders
The line protection design means it's optimized for cable and busbar protection, not specific motor overload curves. Thermal derating is published across the full range: 630 A at 40 °C drops to 520 A at 70 °C, so a warm panel environment costs you about 17 % of the rating. The breaker dissipates 164.5 W max, which needs to be factored into enclosure ventilation for a closed-door installation (–,).
Interrupting capacity and selectivity headroom
The 3-pole form factor fits standard MCCB mounting patterns in switchgear. The auxiliary switch complement includes two auxiliary switches plus a trip alarm and an electrical alarm switch (HQ type), which covers remote status feedback without an add-on module.
Dimensions: 110 mm deep, 138 mm wide, 248 mm tall. That width is standard for a 630 A frame — verify panel cutout and busbar spacing against the existing switchgear layout.