Short-circuit current ratings step down from 187 kA at 240 V to 121 kA at 415/440 V, 75.6 kA at 500 V, and 9 kA at 690 V. For a 400 A frame that SCCR headroom at 240 V is unusually high — it lets you place this breaker close to a large transformer without worrying about through-fault coordination. That complement covers remote status and undervoltage protection out of the box — no separate purchase for basic signaling.
Physical footprint: 248 mm height × 138 mm width × 110 mm depth (9.76 × 5.43 × 4.33 in). Three-pole construction with a trip indicator and phase-failure detection built in — no add-on module needed for phase-loss protection on the motor circuit.
Operating limits and auxiliaries
Maximum power loss 66 W at full load — factor that into enclosure ventilation if the panel is sealed. No communication module or voltage-trigger option on this variant.