Allen-Bradley 1489-M3C050 Circuit Breaker, 5A, 3-Pole, 277V

Meet the Allen-Bradley 1489-M3C050 circuit breaker — a purpose-built solution for demanding industrial environments. With a 5 A rating and a 3-pole design for 277 V systems, this breaker protects three-phase equipment, control circuits, and motor drives from overloads and short circuits. Use the part number 1489-M3C050 to verify compatibility with your panel and application requirements.

What sets this breaker apart:

• Three-pole protection: Provides synchronized switching across all three phases, ensuring reliable shutdown of three-phase loads.
• Precise current rating: 5 A capacity for targeted protection of sensitive devices and startup circuits.
• 277 V compatibility: Suited for industrial power distribution that utilizes higher-voltage three-phase systems.
• OEM-grade reliability: From Allen-Bradley, a trusted name in industrial automation and safety components.
• Easy fit for replacement projects: Part-number verification supports straightforward swaps into existing layouts with minimal rework.

Use cases and scenarios:

• Replacement in existing Allen-Bradley panels that service three-phase equipment operating at 277 V, such as conveyors, pumps, and drives.
• Spare or stock part for maintenance teams responsible for industrial electrical service and panel upgrades.
• New installations requiring a dedicated 5 A, 3-pole breaker to protect a sensitive 3-phase circuit.

How to ensure a perfect match:

• Confirm the fit by cross-checking the part number: 1489-M3C050 against your panel catalog and manufacturer specifications.
• Evaluate application requirements, including bus-bar compatibility, mounting style, and trip characteristics.
• If you’re unsure about compatibility, reach out for expert guidance on part-number matching and application fit.

Choosing the right circuit breaker reduces downtime and shields valuable equipment. The 1489-M3C050 from Allen-Bradley is built to endure the rigors of industrial service, delivering dependable protection for 3-phase systems at 277 V. Ready to verify compatibility or place an order? Send us a message and we’ll help ensure you’re selecting the exact part your project demands.