The Schneider Electric Merlin Gerin NS400H is a molded case circuit breaker designed for robust electrical circuit protection. This device provides essential safety against short circuits and overloads, safeguarding connected equipment and preventing potential fire hazards within industrial electrical distribution systems. While this specific model is no longer manufactured by Schneider Electric, it remains a functional and reliable component for existing installations.

Technical details

• Series: Merlin Gerin NS Series
• Type: Molded Case Circuit Breaker (MCCB)
• Frame Size: NS400
• Interrupting Capacity: Verify against manufacturer datasheet for specific rating (e.g., kA)
• Voltage Rating: Verify against manufacturer datasheet for specific rating (e.g., 240V, 480V, 600V AC)
• Amperage Rating: Verify against manufacturer datasheet for specific rating (e.g., 400A)
• Trip Unit Type: Verify against manufacturer datasheet (e.g., thermal-magnetic, electronic)
• Number of Poles: Verify against manufacturer datasheet (e.g., 3-pole)
• Mounting Type: Fixed, plug-in, or draw-out (verify against manufacturer datasheet)
• Certifications: Verify against manufacturer datasheet (e.g., UL, IEC)

Applications & compatibility

The Merlin Gerin NS400H is commonly employed in main distribution panels, sub-distribution boards, and as feeder protection in various industrial settings. It is suitable for applications requiring reliable overcurrent protection in manufacturing facilities, data centers, and commercial buildings where legacy Merlin Gerin systems are in place.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Merlin Gerin NS400H or contact our technical team for cross-reference assistance with compatible Merlin Gerin components.