The Schneider Electric LV433721 is a ComPact NSX630HB1 series circuit breaker engineered for robust electrical protection in demanding industrial environments. This unit is designed to optimize panel space while delivering high breaking capacity, making it suitable for applications requiring reliable fault current interruption. Its integrated MicroLogic 2.3 trip unit provides advanced protection and monitoring functionalities.

Technical details

• Series: ComPact NSX630HB1
• Breaking Capacity: 75 kA at 690 VAC
• Trip Unit: MicroLogic 2.3
• Voltage Rating: Up to 690 VAC
• Frame Size: 630 A
• Protection Functions: Offers adjustable long-time, short-time, and instantaneous protection (specific settings depend on MicroLogic 2.3 configuration).
• Mounting Type: Fixed installation
• Terminal Type: Screw terminals

Applications & compatibility

This circuit breaker is commonly deployed in power distribution systems for manufacturing facilities, data centers, and heavy industry. It is suitable for protecting main feeders, branch circuits, and motor control applications where high fault currents are anticipated. The LV433721 is compatible with the Schneider Electric ComPact NSX range of switchgear.

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 LV433721 or contact our technical team for cross-reference assistance with compatible ComPact NSX components.