Schneider Electric C40F32D400 NSX400F 3P 400A 36kA Moulded Case Circuit Breaker

The Schneider Electric C40F32D400 NSX400F is a 3-pole 400A moulded case circuit breaker (MCCB) from the Compact NSX series, delivering a breaking capacity of 36 kA at 415V AC. Engineered for demanding industrial power distribution and motor circuit protection applications, this MCCB combines robust overcurrent protection with a compact footprint suited to modern control panels and switchboards.

Technical Specifications

Applications & Use Cases

• Industrial power distribution: Main and feeder protection in low-voltage switchboards and distribution panels.
• Motor circuit protection: Overload and short-circuit protection for large motors up to 400A.
• Commercial buildings: Sub-main circuit protection for HVAC, lifts, and heavy plant equipment.
• Control panel integration: Suitable for DIN-rail or panel-mount configurations in compact enclosures.
• Generator and transformer protection: Robust 36 kA breaking capacity handles high fault-current environments common in generator sets and MV/LV transformer secondaries.