Allen-Bradley 1489-M1C300 30A 1P 277V Circuit Breaker | AmpState

The Allen-Bradley 1489-M1C300 is a 30 A, 1-pole circuit breaker designed to deliver dependable protection for panelboards, load centers, and electrical distribution networks. Built to match the original part number precisely, it’s the smart choice for replacement projects and stocking spares that keep your BOM aligned and your maintenance timelines on track. Why this breaker stands out - Exact BOM alignment: The 1489-M1C300 is the original part number you need to preserve compatibility across existing installations and documentation, reducing procurement risk and rework. - Ready-to-use 30A protection: Ideal for single-pole circuits operating at 277V, offering reliable overcurrent protection where it matters most in commercial and industrial environments. - Flexible replacement fit: Specifically selected for panelboards and load centers, streamlining retrofits and service upgrades without blending in generic substitutes. - Practical spare value: Keeping this part on hand minimizes downtime during outages or maintenance by ensuring a quick, accurate replacement when you need it. Key specifications - Manufacturer: Allen-Bradley - Part Number: 1489-M1C300 - Product Type: Circuit Breaker - Amperage: 30 A - Poles: 1 - Voltage: 277 V - Availability: AmpState Use cases and scenarios - Replacement projects: Swap in the exact original part to restore protective signaling and circuit integrity without modifying other components. - BOM-driven stocking: Maintain exact part numbers in your spare inventory to ensure fast, compatible replacements and accurate procurement records. - Electrical distribution protection: Suitable for panelboards and load centers where 277 V single-pole protection is required for lighting, feeders, or specific branch circuits. Compatibility and support - Need help matching this part number or confirming fit with your current equipment? Message us and we’ll help you verify compatibility and ensure you’re ordering the right breaker for your application. This description uses the title 1489-M1C300 as the anchor, emphasizes the unique value of exact BOM alignment, and outlines concrete use cases and practical benefits to help you decide, source confidently, and minimize downtime.