C40N42D400

The Schneider Electric C40N42D400 ComPacT circuit breaker is designed to deliver high-performance protection and advanced monitoring for large industrial and commercial power distribution systems. With a 50 kA breaking capacity at 415 V AC, it is suitable for installations with very high fault levels. The breaker is equipped with a MicroLogic 2.3 electronic trip unit rated at 400 A, providing precise and reliable protection against overloads and short-circuit faults. Its 4-pole (4D) configuration supports three-phase systems with neutral, making it ideal for main incomers, critical feeders and high-demand distribution panels.

Key Features

• 50 kA breaking capacity at 415 V AC
• 400 A MicroLogic 2.3 electronic trip unit
• 4-pole (4D) design for three-phase systems with neutral
• Accurate electronic protection and fault monitoring
• Suitable for heavy-duty industrial and commercial power distribution