Allen-Bradley 1489-A2C080 - 8A, 277VAC, 1-Pole, Circuit Breaker

Introducing the Allen-Bradley 1489-A2C080—a compact 8A, 277VAC, 1-pole circuit breaker engineered for reliable overcurrent protection in demanding industrial and commercial environments. This unit is purpose-built for panelboards, switchboards, and control panels where dependable operation and precise protection matter most.

Why this breaker stands out:

• Targeted, single‑circuit protection with a 1-pole design that simplifies coordination and reduces unnecessary trips in complex control panels.
• 277VAC rating tailored for commercial distribution and lighting circuits, delivering consistent performance in standard building power systems.
• 8A current rating strikes a balance between protecting equipment and accommodating practical load levels in motor control centers and control panels.
• Industrial-grade reliability from Allen-Bradley, ensuring robust protection in OEM equipment, panelboards, and switchgear used in harsh environments.
• Easy integration designed for straightforward replacement or upgrade within existing installations, supporting reliable, long-term operation in distribution panels and MCCs.

Specifications at a glance

• Current rating: 8A
• Voltage rating: 277VAC
• Poles: 1-Pole
• Breaker type: Circuit Breaker

Ideal use cases

• Protection for 277VAC lighting feeders and building distribution circuits in commercial facilities
• Small to medium motor control circuits within control panels and motor control centers
• OEM equipment where reliable, predictable tripping is essential for safe operation
• Panelboard upgrades or replacements to meet new load profiles without overhauling the entire protection system

What makes it a smart choice

Compared with broader, multi-circuit protection options, the 1489-A2C080 provides precise, branch-specific protection that helps you maintain selective coordination and reduce the impact of trips on unrelated circuits. Its 277VAC capability aligns with common commercial power distributions, while the 8A rating supports typical control-panel and MCC loads without sacrificing safety.

Practical tips for deployment: confirm compatibility with your panel’s bus configuration and ensure proper electrical clearance and mounting in accordance with your installation standards. Use this breaker where a dedicated, reliable 1-pole solution is needed to protect a single circuit within larger distribution or motor control architectures, delivering dependable performance in industrial, commercial, and OEM applications.