Allen-Bradley 1489-A1D040 - Circuit Breaker

Experience dependable overcurrent protection with the Allen-Bradley 1489-A1D040 circuit breaker. Designed for demanding electrical environments, this device delivers reliable safety for panelboards, switchboards, control panels, and OEM equipment. It helps you prevent downtime and equipment damage in industrial and commercial settings by providing precise, predictable protection when faults occur.

Key advantages

• dependable overcurrent protection that quickly detects overloads or short circuits, isolating faults to protect downstream equipment.
• Specifically suited for panelboards, switchboards, control panels, and OEM assemblies, enabling seamless integration into existing installations.
• Part of the Allen-Bradley family, ensuring compatibility with your control systems and simplifying maintenance with familiar components.
• Clear protection in distribution panels and motor control centers, helping to safeguard feeders, motors, and ancillary devices in industrial applications.
• Built for steady operation in environments where safety and reliability are non-negotiable for continuous production.

Ideal use scenarios

• Upgrading or replacing aging breakers in panelboards and switchboards within manufacturing lines, facilities, or commercial installations.
• Protecting feeders and motor circuits in motor control centers, conveyors, pumps, and processing equipment used in industrial automation.
• OEM equipment integrations where standardized protection and straightforward maintenance are priorities.

How to choose and install

When selecting the 1489-A1D040, ensure the amperage rating, voltage, and trip characteristics align with your load profile and protection strategy. Confirm enclosure compatibility and mounting method to fit your distribution panel or control cabinet. Plan for straightforward replacements by using compatible spare parts within the Allen-Bradley ecosystem to minimize downtime during maintenance or upgrades.

Why this matters for your operation

This circuit breaker isn’t just a safety device—it’s a strategic component that stabilizes production, reduces unplanned outages, and simplifies maintenance for facilities investing in reliable electrical protection. Whether you’re engineering a new control panel, refurbishing a distribution backbone, or standardizing components across OEM equipment, the Allen-Bradley 1489-A1D040 delivers consistent, industry-grade performance that technicians and plant managers can trust.