The Schneider Electric Compact NSX400HB2 is a high-breaking capacity circuit breaker designed for robust electrical protection in demanding industrial environments. Part of the NSX series, this breaker is engineered to safeguard electrical installations against overcurrents and short circuits, ensuring operational continuity and equipment safety. Its construction is optimized for applications requiring significant fault current interruption capabilities.

Technical details

• Series: Compact NSX
• Model: NSX400HB2
• Breaking Capacity: 85 kA at 500 VAC
• Trip Unit: Micrologic 1.3 M
• Rated Current: 320 A
• Number of Poles: 3
• Configuration: 3d (3 normally open auxiliary contacts, 3 normally closed auxiliary contacts)
• Voltage Rating: Suitable for systems up to 500 VAC

Applications & compatibility

This circuit breaker is commonly deployed in heavy industrial settings such as manufacturing plants, power distribution systems, and large commercial facilities. It is ideal for protecting main feeders, motor circuits, and distribution panels where high fault levels are anticipated. The Micrologic 1.3 M trip unit offers advanced protection features suitable for complex electrical networks.

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 LV433644 or contact our technical team for cross-reference assistance with compatible NSX series components.