Schneider Electric C125N420FM ComPacT NS1250N 4P 1250A 50kA Fixed Moulded Case Circuit Breaker

The Schneider Electric C125N420FM is a ComPacT NS1250N series 4-pole moulded case circuit breaker rated at 1250A with a breaking capacity of 50 kA at 415V AC. Designed for fixed mounting in industrial power distribution panels, this heavy-duty MCCB delivers reliable overcurrent and short-circuit protection for demanding commercial and industrial applications. The C125N420FM is built to handle high fault currents in low-voltage distribution networks up to 415V AC.

Technical Specifications

Applications & Use Cases

• Industrial Power Distribution: Main and sub-main incomer protection in low-voltage switchboards and motor control centres.
• Commercial Buildings: High-current feeder circuit protection in large commercial infrastructure, data centres, and hospitals.
• Generator & Transformer Protection: Suitable for protecting transformer secondaries and generator outputs rated up to 415V AC.
• Marine & Offshore Panels: Heavy-duty fixed-mount design suits demanding environments requiring high breaking capacity MCCBs.
• Renewable Energy: Applicable in solar and wind energy distribution panels where 4-pole isolation and high fault ratings are required.