Allen-Bradley | 1492-CB1G020 | Circuit Breaker | 1-Pole | 277V

Keep hydraulic and electrical systems protected with precision using the Allen-Bradley 1492-CB1G020 Circuit Breaker—a dedicated, single-pole protection device rated for 277V. Built for reliability in maintenance, retrofit, and replacement scenarios, this breaker ensures your circuits stay safeguarded while you upgrade or service industrial control panels.

Why this breaker stands out

• Exact-match compatibility: The part number 1492-CB1G020 is the primary reference for determining fit in existing panels and legacy configurations.
• Single-pole design for streamlined protection of individual 277V circuits, ideal for lighting, control circuitry, and select auxiliary loads in commercial or light industrial environments.
• 277V rating: Specifically suited to facilities that operate at 277V, providing reliable interrupting capacity and predictable performance where it matters most.
• Maintenance-ready: A practical choice for replacements and retrofits when reducing downtime is essential and exact part matching is required.

Compatibility and fit: what you need to know

Before ordering, confirm that the 1492-CB1G020 matches your panel’s electrical specifications and form factor. Use the part number as your primary compatibility reference to minimize mismatches and ensure seamless replacement or retrofit operations.

Specifications at a glance

• Poles: 1-Pole
• Voltage: 277V
• Part number: 1492-CB1G020
• Manufacturer: Allen-Bradley
• Intended use: Maintenance, retrofit, and replacement in compatible 277V circuits

Practical use cases and scenarios

Ideal for facilities upgrading lighting or control panels that run on 277V, where a straightforward, single-pole protection device is sufficient and downtime needs to be minimized. This breaker is well-suited for projects that require sourcing an exact component from the Allen-Bradley 1492 family, ensuring consistent performance and easy cross-reference with OEM documentation.