The Schneider Electric Compact NSX400HB1 is a high-performance circuit breaker designed for robust electrical protection in demanding industrial environments. As part of the NSX series, this unit offers advanced circuit interruption capabilities, ensuring safety and operational continuity for critical systems. Its construction is optimized for applications requiring reliable fault current limitation and overcurrent protection.

Technical details

• Series: Compact NSX
• Model: NSX400HB1
• Rated breaking capacity: 85 kA at 500 VAC
• Trip unit: Micrologic 2.3
• Trip unit current rating: 250 A
• Number of poles: 4
• Pole configuration: 4d (likely indicating 4 normally open auxiliary contacts)
• Voltage rating: Suitable for 500 VAC systems
• Frame size: 400 A

Applications & compatibility

This circuit breaker is commonly deployed in power distribution panels, motor control centers, and main incoming feeders for industrial facilities. It is suitable for protecting equipment in sectors such as manufacturing, process control, and heavy machinery operations where reliable and high-capacity fault protection is essential.

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 LV433621 or contact our technical team for cross-reference assistance with compatible NSX series components.