The C63R46E630 is a Schneider Electric ComPacT NSX630R MCCB rated 630 A at 40 °C — that's the continuous current it carries without tripping in a 40 °C ambient. The MicroLogic 6.3 E electronic trip unit gives you LSI+G protection: long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (I), and ground-fault (G). The 4-pole (4P) configuration with neutral on the left handles three-phase plus neutral distribution. The LCD display on the front shows energy metering, demand current, power quality, and time-stamped event logs — useful for commissioning engineers who need to verify protection settings and load profiles without opening the panel.
Overvoltage category III suits fixed-installation distribution panels.
Durability and deployment context
Mechanical durability is 15,000 cycles; electrical durability ranges from 8,000 cycles at 440 V at half rated current down to 2,000 cycles at 690 V at full rated current. That's typical for a distribution MCCB — not a switching device for frequent motor starts, but fine for infrequent manual isolation or backup protection. That prevents nuisance re-trips and protects downstream equipment. IK07 impact resistance per IEC 62262 means it withstands a 2 J impact — enough for accidental tool drops in a panel but not for heavy mechanical abuse. The toggle control and local signalling LEDs (green for ready, red for 105% overload, orange for 90% overload) give clear visual status without opening the door.