Allen-Bradley 140MT-C-AFA11 Circuit Breaker, Normally Open, Normally Closed | AmpState

The Allen-Bradley 140MT-C-AFA11 circuit breaker is engineered for everyday electrical work, delivering dependable circuit protection in panelboards, load centers, and electrical distribution setups. Built to meet genuine OEM specifications, it helps keep your electrical system running smoothly with fewer interruptions.

Unique, practical feature: dual contact configuration with Normally Open (NO) and Normally Closed (NC) states. This flexible arrangement lets you tailor protection and control logic to your specific application without swapping hardware, making it ideal for installations that require different signaling or interlock scenarios.

Why this matters for you:

• OEM-aligned compatibility reduces commissioning risk and simplifies future maintenance.
• Stocking spares that match the original part number keeps your BOM accurate and project-ready.
• Versatile use in panelboards, load centers, and distributed electrical systems supports a wide range of upgrade and retrofit projects.

Key details at a glance

• Manufacturer: Allen-Bradley
• Part Number: 140MT-C-AFA11
• Product Type: Circuit Breaker
• Availability: From AmpState
• Special feature: Normally Open and Normally Closed contact configurations

If you’re unsure about fit or compatibility with your specific panel or BOM, AmpState offers guidance to confirm the correct part. Reach out with your device model and the original BOM details, and get confirmation on whether the 140MT-C-AFA11 is the precise replacement you need.

Practical use cases

• Replacing a failed breaker in existing installations while preserving original equipment design.
• Building a reliable spare inventory that aligns with the original part number for quick service responses.
• Implementing control schemes that benefit from NO/NC states within a single, authentic device.