The Schneider Electric Masterpact NW40bH1 is a high-capacity circuit breaker designed for robust power distribution and protection in demanding industrial environments. This fixed-mount, 3-pole unit is engineered to handle significant current loads, making it suitable for main switchboard applications and large motor control circuits.

Technical details

• Series: Masterpact NW
• Model Designation: NW40bH1
• Current Rating: 4000 A
• Number of Poles: 3
• Mounting Type: Fixed
• Trip Unit: Without integrated trip unit (requires external or compatible trip unit selection)
• Voltage Class: Typically rated for systems up to 600V AC; verify specific voltage rating against manufacturer datasheet for your application.
• Interrupting Capacity: Specific interrupting rating (kA) is not detailed in the provided information; consult manufacturer documentation for precise specifications.

Applications & compatibility

This Masterpact NW circuit breaker is commonly deployed in large-scale industrial facilities, data centers, and utility substations where reliable and high-amperage circuit protection is paramount. It is an integral component in main distribution panels, motor control centers (MCCs), and backup power systems, ensuring operational continuity and equipment safety.

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 48106 Schneider Electric Masterpact NW40bH1 or contact our technical team for cross-reference assistance with compatible Masterpact components.