Allen-Bradley 1489-M2C030 Circuit Breaker, 3A, 2-Pole, 277V

The Allen-Bradley 1489-M2C030 is a rugged circuit breaker designed for industrial electrical service, maintenance, and replacement projects. With a 3 A rating, a 2-pole configuration, and a 277 V operating voltage, this device delivers reliable protection for mid-range control circuits and small feeders in demanding environments.

Designed to fit compatible Allen-Bradley panels and assemblies, the 1489-M2C030 is best treated as a dedicated replacement part. To ensure proper fit and safe operation, verify the component by part number and application requirements before ordering.

Key benefits

• Precise protection for dual conductors: 2-pole design guards both hot legs in 277 V systems, reducing fault risk and simplifying panel protection.
• Exact current rating: 3 A rating makes it ideal for low-to-mid current control circuits and small loads in automation setups.
• Industrial-grade reliability: Built to perform in rugged environments, supporting service and maintenance cycles without frequent replacements.
• Brand assurance and compatibility: Part of the Allen-Bradley 1489 family; verify fit by part number to ensure seamless replacement in your existing panels.

Ideal use cases

This breaker is well-suited for:

• Control panels and automation cabinets running 277 V lighting or equipment feeds
• Replacement installations where 1489-M2C030 is specified
• Maintenance projects requiring a dependable, field-friendly 2-pole protection device

Practical tips for installation and compatibility

• Always confirm the exact part number (1489-M2C030) matches your panel or equipment documentation before purchase.
• Ensure the overall system voltage and load profile align with a 2-pole, 277 V, 3 A breaker to avoid nuisance tripping or under-protection.
• Consult your electrical codes and panel manufacturer notes when replacing legacy breakers to maintain code compliance and warranty status.