The Schneider Electric C4042D400 is a MicroLogic 2.3 electronic trip unit for ComPacT NSX400/630 moulded-case circuit breakers, providing 4-pole electronic basic overcurrent protection in industrial and commercial power distribution systems.

• Reference: C4042D400
• Range: ComPacT NSX400/630
• Model: MicroLogic 2.3
• Type: Electronic trip unit
• Poles: 4P
• Rated current (In): 400 A
• Rated voltage (Ue): 690 V AC 50/60 Hz
• Protection function: Electronic basic protection