Eaton | 505C220G27 | Circuit Breaker | 20A | 2-Pole | 277V

Meet the Eaton 505C220G27 circuit breaker—a dependable 20-amp, 2-pole unit designed for 277-volt circuits. This breaker is built for maintenance, retrofit, and replacement projects where exact specifications matter, delivering precise overcurrent protection when you need it most.

• Amperage: 20 A
• Poles: 2-Pole
• Voltage: 277 V
• Part reference: 505C220G27 — the most reliable reference for compatibility
• Fit reminder: Confirm fit and ratings before ordering to ensure a seamless replacement

Why this Eaton breaker matters

Exact spec alignment matters for safety and reliability in electrical distribution. The 505C220G27 is built to slot into systems configured for two-pole protection on 277V circuits, delivering predictable tripping behavior that safeguards wiring and connected equipment.

Ideal use cases

• Retrofits in commercial lighting and equipment circuits operating at 277V
• Maintenance replacements in panels requiring a 20A, 2-pole device
• Environments where the primary reference for compatibility is the part number 505C220G27

Practical considerations

• Verify panel labeling and the existing breaker family to ensure proper fit
• Install with the main power shut off and follow standard electrical safety practices
• Keep the part number handy as the primary compatibility reference

For professionals seeking dependable overcurrent protection with exact-spec compatibility, the Eaton 505C220G27 delivers consistent performance in 277V two-pole configurations. If your project calls for a like-for-like replacement or a precise retrofit, this breaker is designed to meet those exacting requirements.