The Schneider Electric LV433743, identified as a ComPact NSX630HB2, is a fixed moulded case circuit breaker (MCCB) engineered for robust electrical protection. This 3-pole unit is designed to manage high fault currents, making it suitable for demanding industrial environments, particularly in motor control applications where reliable disconnection is critical.

Technical details

• Series: ComPact NSX
• Model Designation: NSX630HB2
• Number of Poles: 3
• Rated Current: 500 Amps
• Short-Circuit Breaking Capacity: 100 kA at 690 VAC
• Mounting Type: Fixed
• Enclosure Type: Moulded Case
• Voltage Rating: Up to 690 VAC
• Application: Motor protection and general power distribution
• Trip Unit Type: Thermal-magnetic (implied by HB designation, but recommend datasheet verification for specific settings)

Applications & compatibility

This circuit breaker is commonly deployed in heavy industrial settings, including manufacturing plants, power generation facilities, and large-scale processing operations. It is an integral component in motor control centers (MCCs), distribution boards, and main incoming feeders for machinery such as large pumps, compressors, and industrial fans where precise and rapid fault interruption 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 Schneider LV433743 or contact our technical team for cross-reference assistance with compatible ComPact NSX components.