NC240 40A 2P 240V Circuit Breaker, Plug-On, Normally Closed | AmpState

The NC240 is a dependable 2-pole, 40 A, 240 V plug-on circuit breaker designed for robust protection in panelboards, load centers, and electrical distribution setups. While the exact brand isn’t specified, AmpState ensures this NC240 remains a consistent part number, making retrofit work and ongoing maintenance straightforward and orderly.

Key specifications

• Part Number: NC240
• Type: Circuit Breaker
• Amperage: 40 A
• Poles: 2
• Voltage: 240 V
• Mounting: Plug-On
• Configuration: Normally Closed

What makes the NC240 unique

• Plug-on design enables fast, tool-free installation and easy replacement in existing panels, reducing downtime during service or upgrades.
• Normally Closed configuration provides reliable protection by default, ensuring circuits are monitored and opened only when a fault is detected.
• Part-number consistency supports retrofit projects and maintenance planning, so procurement remains simple and inventory stays aligned with your schematic drawings.
• Specifically suitable for panelboards, load centers, and electrical distribution gear where a 2-pole, 240 V protection device is required.

Ideal use cases

• Retrofit projects where the exact part number must be preserved to match existing drawings, replacements, or compliance records.
• Maintenance planning for service fleets that rely on standardized, interchangeable breakers.
• New or upgraded electrical distribution setups needing a reliable 2P 240 V protection solution.
• Spare-part stocking for facilities with legacy panels that require NC240-compatible breakers for quick swaps.

Installation tips and compatibility

For best results, verify panel compatibility with the NC240’s plug-on mounting and 2-pole, 240 V rating. Handle power safely, confirm the part number against your panel’s requirements, and replace only when the circuit is de-energized. If you’re unsure about fit, AmpState offers support to help confirm compatibility and ensure you get the right protective device for your panel.

Availability: AmpState carries the NC240, making it a practical choice for retrofit workflows and service planning. If you need help confirming fit or matching a part number, simply reach out—we’ll help you verify the right TAC (terminal and conductor) and mounting details for your specific panel configuration.